/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 10:19:19,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 10:19:19,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 10:19:19,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 10:19:19,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 10:19:19,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 10:19:19,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 10:19:19,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 10:19:19,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 10:19:19,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 10:19:19,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 10:19:19,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 10:19:19,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 10:19:19,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 10:19:19,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 10:19:19,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 10:19:19,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 10:19:19,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 10:19:19,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 10:19:19,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 10:19:19,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 10:19:19,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 10:19:19,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 10:19:19,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 10:19:19,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 10:19:19,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 10:19:19,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 10:19:19,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 10:19:19,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 10:19:19,443 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 10:19:19,443 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 10:19:19,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 10:19:19,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 10:19:19,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 10:19:19,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 10:19:19,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 10:19:19,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 10:19:19,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 10:19:19,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 10:19:19,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 10:19:19,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 10:19:19,457 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 10:19:19,485 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 10:19:19,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 10:19:19,486 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 10:19:19,487 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 10:19:19,487 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 10:19:19,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 10:19:19,487 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 10:19:19,488 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 10:19:19,488 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 10:19:19,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 10:19:19,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 10:19:19,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 10:19:19,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 10:19:19,489 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 10:19:19,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 10:19:19,489 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 10:19:19,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 10:19:19,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 10:19:19,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 10:19:19,490 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 10:19:19,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 10:19:19,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:19:19,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 10:19:19,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 10:19:19,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 10:19:19,492 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 10:19:19,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 10:19:19,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 10:19:19,492 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 10:19:19,493 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-09-25 10:19:19,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 10:19:20,005 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 10:19:20,010 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 10:19:20,012 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 10:19:20,013 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 10:19:20,014 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2020-09-25 10:19:20,108 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ab5ceb0af/626b83e1d4cd41b2a624b87d09a0f6b0/FLAG1c9b6dd77 [2020-09-25 10:19:20,719 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 10:19:20,720 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2020-09-25 10:19:20,732 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ab5ceb0af/626b83e1d4cd41b2a624b87d09a0f6b0/FLAG1c9b6dd77 [2020-09-25 10:19:21,066 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ab5ceb0af/626b83e1d4cd41b2a624b87d09a0f6b0 [2020-09-25 10:19:21,080 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 10:19:21,089 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 10:19:21,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 10:19:21,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 10:19:21,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 10:19:21,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:19:21" (1/1) ... [2020-09-25 10:19:21,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@718a405b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:19:21, skipping insertion in model container [2020-09-25 10:19:21,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:19:21" (1/1) ... [2020-09-25 10:19:21,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 10:19:21,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 10:19:21,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:19:21,445 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 10:19:21,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:19:21,614 INFO L208 MainTranslator]: Completed translation [2020-09-25 10:19:21,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:19:21 WrapperNode [2020-09-25 10:19:21,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 10:19:21,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 10:19:21,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 10:19:21,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 10:19:21,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:19:21" (1/1) ... [2020-09-25 10:19:21,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:19:21" (1/1) ... [2020-09-25 10:19:21,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:19:21" (1/1) ... [2020-09-25 10:19:21,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:19:21" (1/1) ... [2020-09-25 10:19:21,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:19:21" (1/1) ... [2020-09-25 10:19:21,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:19:21" (1/1) ... [2020-09-25 10:19:21,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:19:21" (1/1) ... [2020-09-25 10:19:21,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 10:19:21,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 10:19:21,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 10:19:21,677 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 10:19:21,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:19:21" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:19:21,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 10:19:21,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 10:19:21,760 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-09-25 10:19:21,760 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-09-25 10:19:21,760 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-09-25 10:19:21,760 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-09-25 10:19:21,760 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-09-25 10:19:21,761 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-09-25 10:19:21,761 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-09-25 10:19:21,762 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-09-25 10:19:21,762 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-09-25 10:19:21,762 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-09-25 10:19:21,762 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-09-25 10:19:21,763 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-09-25 10:19:21,763 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-09-25 10:19:21,763 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-09-25 10:19:21,764 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-09-25 10:19:21,764 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-09-25 10:19:21,764 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-09-25 10:19:21,764 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-09-25 10:19:21,765 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 10:19:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 10:19:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-09-25 10:19:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-09-25 10:19:21,766 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-09-25 10:19:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-09-25 10:19:21,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 10:19:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-09-25 10:19:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-09-25 10:19:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-09-25 10:19:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-09-25 10:19:21,769 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-09-25 10:19:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-09-25 10:19:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-09-25 10:19:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-09-25 10:19:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-09-25 10:19:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-09-25 10:19:21,770 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-09-25 10:19:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-09-25 10:19:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-09-25 10:19:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-09-25 10:19:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 10:19:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 10:19:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 10:19:22,369 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 10:19:22,369 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 10:19:22,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:19:22 BoogieIcfgContainer [2020-09-25 10:19:22,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 10:19:22,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 10:19:22,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 10:19:22,383 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 10:19:22,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 10:19:21" (1/3) ... [2020-09-25 10:19:22,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6295363a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:19:22, skipping insertion in model container [2020-09-25 10:19:22,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:19:21" (2/3) ... [2020-09-25 10:19:22,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6295363a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:19:22, skipping insertion in model container [2020-09-25 10:19:22,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:19:22" (3/3) ... [2020-09-25 10:19:22,388 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.01.cil-1.c [2020-09-25 10:19:22,400 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 10:19:22,412 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 10:19:22,434 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 10:19:22,470 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 10:19:22,470 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 10:19:22,470 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 10:19:22,471 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 10:19:22,471 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 10:19:22,471 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 10:19:22,471 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 10:19:22,471 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 10:19:22,499 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states. [2020-09-25 10:19:22,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-09-25 10:19:22,514 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:19:22,516 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] [2020-09-25 10:19:22,516 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:19:22,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:19:22,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1066956110, now seen corresponding path program 1 times [2020-09-25 10:19:22,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:19:22,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1590486125] [2020-09-25 10:19:22,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:19:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:22,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:23,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:24,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:24,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:24,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-09-25 10:19:24,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 10:19:24,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1987 [2020-09-25 10:19:24,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:24,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:24,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 10:19:24,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 10:19:24,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-09-25 10:19:24,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-09-25 10:19:24,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:19:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:24,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:25,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:25,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 10:19:25,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:25,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 10:19:25,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:25,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:25,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:25,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:25,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 10:19:25,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:19:25,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 10:19:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:25,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:25,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:25,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:19:25,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:25,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 10:19:25,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:25,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:25,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:25,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:25,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:19:25,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:25,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 10:19:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:25,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:25,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:25,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:19:25,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:25,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:19:25,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:25,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:25,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:25,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:25,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:19:25,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 10:19:25,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 10:19:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:25,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:25,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:25,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:25,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:25,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 10:19:25,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:25,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:25,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:25,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:25,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:25,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-25 10:19:25,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 10:19:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:25,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:25,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:25,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:25,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:25,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 10:19:25,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:25,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:25,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:25,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:25,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:25,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:25,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 10:19:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:25,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:25,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:25,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:25,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 10:19:25,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:19:25,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 10:19:25,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:25,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:25,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:25,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:25,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-25 10:19:25,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:25,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:19:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:25,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:25,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:25,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:25,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:25,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:19:25,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:25,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:25,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:25,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:25,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:25,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:25,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 10:19:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:25,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:25,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:25,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:25,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:25,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:19:25,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:25,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:25,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:25,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:25,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:25,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:25,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 10:19:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:25,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:25,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:25,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:25,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:25,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:19:25,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:25,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:25,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:25,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:25,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:25,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:19:25,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:19:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:25,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:25,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:25,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:25,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:25,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 10:19:25,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:25,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:25,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:25,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:25,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:25,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:25,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 10:19:25,374 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1590486125] [2020-09-25 10:19:25,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:19:25,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 10:19:25,379 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010438866] [2020-09-25 10:19:25,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 10:19:25,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:19:25,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 10:19:25,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-25 10:19:25,418 INFO L87 Difference]: Start difference. First operand 218 states. Second operand 8 states. [2020-09-25 10:19:28,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:19:28,915 INFO L93 Difference]: Finished difference Result 1032 states and 1403 transitions. [2020-09-25 10:19:28,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 10:19:28,919 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2020-09-25 10:19:28,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:19:28,947 INFO L225 Difference]: With dead ends: 1032 [2020-09-25 10:19:28,948 INFO L226 Difference]: Without dead ends: 823 [2020-09-25 10:19:28,956 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=159, Invalid=347, Unknown=0, NotChecked=0, Total=506 [2020-09-25 10:19:28,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2020-09-25 10:19:29,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 576. [2020-09-25 10:19:29,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2020-09-25 10:19:29,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 714 transitions. [2020-09-25 10:19:29,113 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 714 transitions. Word has length 107 [2020-09-25 10:19:29,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:19:29,114 INFO L479 AbstractCegarLoop]: Abstraction has 576 states and 714 transitions. [2020-09-25 10:19:29,115 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 10:19:29,115 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 714 transitions. [2020-09-25 10:19:29,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-25 10:19:29,121 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:19:29,122 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:19:29,122 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 10:19:29,123 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:19:29,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:19:29,123 INFO L82 PathProgramCache]: Analyzing trace with hash -517401199, now seen corresponding path program 1 times [2020-09-25 10:19:29,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:19:29,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1395053035] [2020-09-25 10:19:29,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:19:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:29,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:29,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:30,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:31,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:31,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-25 10:19:31,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 10:19:31,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2003 [2020-09-25 10:19:31,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:31,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:31,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 10:19:31,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-25 10:19:31,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-09-25 10:19:31,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:31,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:19:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:31,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:31,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:31,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 10:19:31,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:31,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 10:19:31,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:31,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:31,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:31,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:31,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:31,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:31,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 10:19:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:31,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:31,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:31,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:19:31,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:31,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:19:31,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:31,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:31,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:31,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:31,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:31,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:31,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 10:19:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:31,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:31,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:31,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:19:31,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:31,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:19:31,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:31,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:31,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:31,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:31,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:31,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:31,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 10:19:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:31,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:31,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:31,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:31,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:31,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:19:31,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:31,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:31,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:31,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:31,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:19:31,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:31,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 10:19:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:31,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:31,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:31,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:31,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:31,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 10:19:31,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:31,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:31,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:31,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:31,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:31,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:31,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 10:19:31,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:31,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:31,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:31,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 10:19:31,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:31,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 10:19:31,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:31,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:31,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:19:31,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 10:19:31,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 10:19:31,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:31,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:19:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:31,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:31,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:31,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:31,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:31,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:19:31,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:31,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:31,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:31,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:31,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:31,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:31,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 10:19:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:31,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:31,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:31,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:31,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:31,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:19:31,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:31,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:31,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:31,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:31,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:31,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:31,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 10:19:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:31,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:31,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:31,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:31,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:31,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:19:31,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:31,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:31,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:31,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:31,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:31,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:31,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:19:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:31,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:31,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:31,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:31,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:31,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:19:31,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:31,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:31,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:31,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:31,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:31,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:31,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 10:19:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:31,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:31,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:31,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 10:19:31,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:31,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-09-25 10:19:31,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:31,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:31,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 10:19:31,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 10:19:31,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-25 10:19:31,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:31,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 10:19:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:31,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:31,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:31,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 10:19:31,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:31,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 10:19:31,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:31,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:31,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 10:19:31,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 10:19:31,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-25 10:19:31,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:31,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:19:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:31,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:31,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:31,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 10:19:31,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:31,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 10:19:31,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:31,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:31,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:19:31,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 10:19:31,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 10:19:31,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:31,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:19:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:31,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:31,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:31,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:31,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:31,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:19:31,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:31,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:31,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:31,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:31,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:31,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:31,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 10:19:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:31,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:31,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:31,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:31,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:31,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:19:31,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:31,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:31,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:31,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:31,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:31,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:31,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-25 10:19:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:31,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:31,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:31,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:31,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:31,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:19:31,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:31,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:31,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:31,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 10:19:31,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:31,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:31,807 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-09-25 10:19:31,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1395053035] [2020-09-25 10:19:31,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:19:31,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 10:19:31,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469686209] [2020-09-25 10:19:31,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 10:19:31,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:19:31,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 10:19:31,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-09-25 10:19:31,815 INFO L87 Difference]: Start difference. First operand 576 states and 714 transitions. Second operand 10 states. [2020-09-25 10:19:35,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:19:35,068 INFO L93 Difference]: Finished difference Result 2208 states and 3076 transitions. [2020-09-25 10:19:35,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-25 10:19:35,069 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 170 [2020-09-25 10:19:35,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:19:35,084 INFO L225 Difference]: With dead ends: 2208 [2020-09-25 10:19:35,084 INFO L226 Difference]: Without dead ends: 1672 [2020-09-25 10:19:35,090 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=215, Invalid=487, Unknown=0, NotChecked=0, Total=702 [2020-09-25 10:19:35,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2020-09-25 10:19:35,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1113. [2020-09-25 10:19:35,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1113 states. [2020-09-25 10:19:35,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1439 transitions. [2020-09-25 10:19:35,220 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1439 transitions. Word has length 170 [2020-09-25 10:19:35,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:19:35,221 INFO L479 AbstractCegarLoop]: Abstraction has 1113 states and 1439 transitions. [2020-09-25 10:19:35,221 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 10:19:35,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1439 transitions. [2020-09-25 10:19:35,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-25 10:19:35,227 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:19:35,228 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:19:35,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 10:19:35,228 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:19:35,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:19:35,228 INFO L82 PathProgramCache]: Analyzing trace with hash -1933579983, now seen corresponding path program 1 times [2020-09-25 10:19:35,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:19:35,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2117156004] [2020-09-25 10:19:35,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:19:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:35,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:35,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-25 10:19:35,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 10:19:35,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 458 [2020-09-25 10:19:35,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:35,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:35,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:35,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-25 10:19:35,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 10:19:35,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:35,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:19:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:35,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:35,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 10:19:35,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:35,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 10:19:35,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:35,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:35,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:35,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:35,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:35,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:35,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 10:19:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:35,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:35,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:19:35,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:35,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:19:35,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:35,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:35,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:35,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:35,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 10:19:35,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:35,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 10:19:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:35,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:35,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:19:35,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:35,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:19:35,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:35,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:35,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:35,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:35,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:19:35,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:35,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 10:19:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:35,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:35,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:35,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:35,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 10:19:35,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:35,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:35,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:35,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-25 10:19:35,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:19:35,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:35,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 10:19:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:35,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:35,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:35,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:35,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:19:35,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:35,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:35,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:35,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 10:19:35,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:35,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:35,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 10:19:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:35,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:35,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 10:19:35,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:35,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:19:35,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:35,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:35,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:35,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-09-25 10:19:35,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:35,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:35,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:19:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:35,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:35,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:35,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:35,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:19:35,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:35,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:35,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:35,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:35,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:35,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:19:35,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 10:19:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:35,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:35,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:35,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:35,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:19:35,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:35,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:35,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:35,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:35,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:35,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:35,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 10:19:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:35,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:35,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:35,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:35,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:19:35,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:35,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:35,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:35,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 10:19:35,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:35,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:35,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:19:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:35,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:35,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:35,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:35,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:35,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:19:35,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:35,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:35,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:35,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 10:19:35,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:35,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:36,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 10:19:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:36,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:36,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:36,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 10:19:36,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:36,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 10:19:36,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:36,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:36,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:36,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-09-25 10:19:36,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:36,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:36,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 10:19:36,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:36,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:36,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:36,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 10:19:36,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:36,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:19:36,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:36,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:36,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:36,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:36,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:36,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:36,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:19:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:36,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:36,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:36,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 10:19:36,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:36,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:19:36,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:36,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:36,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:36,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:36,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:36,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:19:36,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:19:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:36,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:36,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:36,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:36,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:36,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:19:36,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:36,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:36,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:36,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:36,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:36,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:36,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 10:19:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:36,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:36,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:36,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:36,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:36,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:19:36,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:36,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:36,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:36,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:36,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:36,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:36,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-25 10:19:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:36,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:36,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:36,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:36,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:36,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:19:36,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:36,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:36,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:36,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 10:19:36,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:36,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:19:36,132 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-09-25 10:19:36,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2117156004] [2020-09-25 10:19:36,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:19:36,133 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 10:19:36,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763036233] [2020-09-25 10:19:36,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 10:19:36,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:19:36,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 10:19:36,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-25 10:19:36,134 INFO L87 Difference]: Start difference. First operand 1113 states and 1439 transitions. Second operand 9 states. [2020-09-25 10:19:37,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:19:37,736 INFO L93 Difference]: Finished difference Result 2606 states and 3442 transitions. [2020-09-25 10:19:37,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 10:19:37,737 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 170 [2020-09-25 10:19:37,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:19:37,751 INFO L225 Difference]: With dead ends: 2606 [2020-09-25 10:19:37,751 INFO L226 Difference]: Without dead ends: 1531 [2020-09-25 10:19:37,757 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2020-09-25 10:19:37,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2020-09-25 10:19:37,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1107. [2020-09-25 10:19:37,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1107 states. [2020-09-25 10:19:37,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 1107 states and 1428 transitions. [2020-09-25 10:19:37,852 INFO L78 Accepts]: Start accepts. Automaton has 1107 states and 1428 transitions. Word has length 170 [2020-09-25 10:19:37,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:19:37,853 INFO L479 AbstractCegarLoop]: Abstraction has 1107 states and 1428 transitions. [2020-09-25 10:19:37,853 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 10:19:37,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1428 transitions. [2020-09-25 10:19:37,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-09-25 10:19:37,856 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:19:37,857 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:19:37,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 10:19:37,857 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:19:37,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:19:37,858 INFO L82 PathProgramCache]: Analyzing trace with hash 2042384132, now seen corresponding path program 1 times [2020-09-25 10:19:37,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:19:37,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [361296071] [2020-09-25 10:19:37,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:19:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:37,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-09-25 10:19:38,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:19:38,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 261 [2020-09-25 10:19:38,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:38,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-09-25 10:19:38,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 10:19:38,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:19:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 10:19:38,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 10:19:38,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:38,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:38,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 10:19:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:19:38,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:19:38,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:38,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:38,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 10:19:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:19:38,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:19:38,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:38,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:38,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 10:19:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:38,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:19:38,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:38,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:38,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 10:19:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:38,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:19:38,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:38,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:38,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 10:19:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 10:19:38,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:19:38,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:38,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:38,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:19:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:38,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:19:38,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:38,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:38,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 10:19:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:38,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:19:38,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:38,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:38,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 10:19:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:38,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:19:38,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:38,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:38,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:19:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:38,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:19:38,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:38,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:38,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 10:19:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 10:19:38,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 10:19:38,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:38,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-25 10:19:38,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 10:19:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 10:19:38,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:19:38,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:38,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:38,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:19:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 10:19:38,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:19:38,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:38,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:38,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:19:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:38,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:19:38,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:38,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:38,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 10:19:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:38,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:38,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:19:38,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:38,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:38,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 10:19:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:38,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:38,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:38,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:38,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:19:38,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 10:19:38,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:38,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:38,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:38,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:38,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:38,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:38,544 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-09-25 10:19:38,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [361296071] [2020-09-25 10:19:38,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:19:38,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 10:19:38,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627562812] [2020-09-25 10:19:38,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 10:19:38,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:19:38,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 10:19:38,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-25 10:19:38,547 INFO L87 Difference]: Start difference. First operand 1107 states and 1428 transitions. Second operand 8 states. [2020-09-25 10:19:41,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:19:41,174 INFO L93 Difference]: Finished difference Result 3802 states and 5295 transitions. [2020-09-25 10:19:41,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 10:19:41,174 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 175 [2020-09-25 10:19:41,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:19:41,196 INFO L225 Difference]: With dead ends: 3802 [2020-09-25 10:19:41,197 INFO L226 Difference]: Without dead ends: 2734 [2020-09-25 10:19:41,205 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2020-09-25 10:19:41,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2734 states. [2020-09-25 10:19:41,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2734 to 2068. [2020-09-25 10:19:41,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2068 states. [2020-09-25 10:19:41,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 2068 states and 2782 transitions. [2020-09-25 10:19:41,355 INFO L78 Accepts]: Start accepts. Automaton has 2068 states and 2782 transitions. Word has length 175 [2020-09-25 10:19:41,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:19:41,356 INFO L479 AbstractCegarLoop]: Abstraction has 2068 states and 2782 transitions. [2020-09-25 10:19:41,356 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 10:19:41,356 INFO L276 IsEmpty]: Start isEmpty. Operand 2068 states and 2782 transitions. [2020-09-25 10:19:41,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-09-25 10:19:41,365 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:19:41,365 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:19:41,366 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 10:19:41,366 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:19:41,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:19:41,366 INFO L82 PathProgramCache]: Analyzing trace with hash 144736441, now seen corresponding path program 1 times [2020-09-25 10:19:41,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:19:41,367 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [337346248] [2020-09-25 10:19:41,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:19:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:41,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:41,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:41,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:41,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:42,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:43,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:46,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-09-25 10:19:46,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 10:19:46,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-25 10:19:46,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:46,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:46,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 10:19:46,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 10:19:46,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-09-25 10:19:46,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:46,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:19:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:46,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:46,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 10:19:46,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:46,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 10:19:46,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:46,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:46,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:46,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:46,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 10:19:46,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:46,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 10:19:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:46,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:46,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:19:46,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:46,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:19:46,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:46,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:46,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:46,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:46,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:19:46,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:19:46,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 10:19:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:46,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:46,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:19:46,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:46,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:19:46,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:46,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:46,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:46,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:46,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:19:46,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:19:46,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 10:19:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:46,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:46,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:46,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:46,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:19:46,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:46,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:46,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:46,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:46,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:46,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:46,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 10:19:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:46,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:46,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:46,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:46,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:19:46,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:46,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:46,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:46,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:46,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:46,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:46,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 10:19:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:46,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:46,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 10:19:46,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:46,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 10:19:46,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:46,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:46,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:46,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:46,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-25 10:19:46,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:46,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:19:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:46,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:46,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:46,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:46,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:19:46,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:46,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:46,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:46,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:46,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:46,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:46,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 10:19:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:46,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:46,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:46,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:46,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:19:46,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:46,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:46,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:46,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:46,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:46,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:46,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 10:19:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:46,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:46,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:46,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:46,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:19:46,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:46,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:46,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:46,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:46,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:46,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:46,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:19:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:46,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:46,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:46,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:46,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:19:46,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:46,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:46,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:46,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:46,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:46,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:46,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 10:19:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:46,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:46,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 10:19:46,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:46,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 10:19:46,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:46,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:46,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:46,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:46,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-25 10:19:46,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:46,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 10:19:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:46,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:46,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 10:19:46,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:46,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:19:46,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:46,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:46,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:46,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:46,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:46,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:46,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:19:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:46,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:46,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 10:19:46,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:46,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:19:46,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:46,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:46,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:46,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:46,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:46,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:46,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:19:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:46,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:46,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:46,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:46,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:19:46,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:46,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:46,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:46,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:46,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:46,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:46,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 10:19:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:46,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:46,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:46,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:46,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:19:46,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:46,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:46,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:46,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:46,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:46,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:19:46,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 10:19:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:46,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:46,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:46,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 10:19:46,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 10:19:46,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-09-25 10:19:46,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:46,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:46,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:19:46,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 10:19:46,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-25 10:19:46,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:47,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 10:19:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:47,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:47,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:47,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 10:19:47,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:47,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 10:19:47,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:47,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:47,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:47,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:47,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-25 10:19:47,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:47,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:19:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:47,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:47,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:47,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-25 10:19:47,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:47,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 10:19:47,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:47,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:47,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:47,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:47,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:47,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:47,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:19:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:47,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:47,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:47,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 10:19:47,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:47,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:19:47,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:47,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:47,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:47,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:47,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:47,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:47,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 10:19:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:47,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:47,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:47,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:47,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:47,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:19:47,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:47,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:47,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:47,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:47,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:47,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:47,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 10:19:47,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:47,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:47,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:47,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:47,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:47,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:19:47,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:47,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:47,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:47,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 10:19:47,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:47,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:47,253 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-09-25 10:19:47,254 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [337346248] [2020-09-25 10:19:47,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:19:47,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 10:19:47,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709753452] [2020-09-25 10:19:47,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 10:19:47,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:19:47,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 10:19:47,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-09-25 10:19:47,256 INFO L87 Difference]: Start difference. First operand 2068 states and 2782 transitions. Second operand 10 states. [2020-09-25 10:19:50,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:19:50,856 INFO L93 Difference]: Finished difference Result 6453 states and 9026 transitions. [2020-09-25 10:19:50,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-25 10:19:50,857 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 219 [2020-09-25 10:19:50,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:19:50,901 INFO L225 Difference]: With dead ends: 6453 [2020-09-25 10:19:50,901 INFO L226 Difference]: Without dead ends: 4429 [2020-09-25 10:19:50,925 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=261, Invalid=861, Unknown=0, NotChecked=0, Total=1122 [2020-09-25 10:19:50,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4429 states. [2020-09-25 10:19:51,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4429 to 3052. [2020-09-25 10:19:51,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3052 states. [2020-09-25 10:19:51,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3052 states to 3052 states and 4057 transitions. [2020-09-25 10:19:51,270 INFO L78 Accepts]: Start accepts. Automaton has 3052 states and 4057 transitions. Word has length 219 [2020-09-25 10:19:51,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:19:51,271 INFO L479 AbstractCegarLoop]: Abstraction has 3052 states and 4057 transitions. [2020-09-25 10:19:51,271 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 10:19:51,271 INFO L276 IsEmpty]: Start isEmpty. Operand 3052 states and 4057 transitions. [2020-09-25 10:19:51,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2020-09-25 10:19:51,293 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:19:51,293 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:19:51,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 10:19:51,294 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:19:51,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:19:51,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1560661748, now seen corresponding path program 1 times [2020-09-25 10:19:51,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:19:51,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [982653389] [2020-09-25 10:19:51,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:19:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:51,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:51,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:51,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:51,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:51,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:51,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:52,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:56,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:56,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:56,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 381 [2020-09-25 10:19:56,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 10:19:56,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-25 10:19:56,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:56,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:56,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 10:19:56,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 213 [2020-09-25 10:19:56,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 10:19:56,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:19:56,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:19:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:56,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:56,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:56,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 10:19:56,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:56,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 10:19:56,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:56,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:56,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:56,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:56,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:56,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:56,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 10:19:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:56,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:56,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:56,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:19:56,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:56,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:19:56,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:56,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:56,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:56,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:56,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:56,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:56,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 10:19:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:56,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:56,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:56,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:19:56,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:56,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:19:56,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:56,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:56,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:56,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:56,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:56,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:56,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 10:19:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:56,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:56,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:56,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:56,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:56,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:19:56,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:56,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:56,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:56,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:56,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:56,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:56,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 10:19:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:56,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:56,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:56,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:56,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:56,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:19:56,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:56,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:56,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:56,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:56,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:56,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:19:56,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 10:19:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:56,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:56,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:56,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 10:19:56,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:56,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:19:56,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:56,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:56,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:56,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:56,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:56,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:56,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:19:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:56,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:56,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:56,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:56,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:56,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:19:56,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:56,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:56,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:56,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:56,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:56,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:56,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 10:19:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:56,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:56,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:56,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:56,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:56,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:19:56,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:56,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:56,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:56,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:56,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:56,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:56,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 10:19:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:56,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:56,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:56,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:56,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:56,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:19:56,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:56,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:56,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:56,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:56,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:56,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:19:56,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:19:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:56,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:56,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:56,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 10:19:56,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:56,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:19:56,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:56,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:56,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:56,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:56,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:56,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:56,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-09-25 10:19:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:56,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:56,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:56,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:56,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:56,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:19:56,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:56,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:56,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:56,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:56,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:56,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:56,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-09-25 10:19:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:56,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:56,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:56,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 10:19:56,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:56,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:19:56,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:56,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:56,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:56,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:56,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:56,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:56,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 10:19:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:56,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:56,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:56,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:56,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:56,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 10:19:56,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 10:19:56,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-09-25 10:19:56,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:56,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:56,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:56,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:56,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-25 10:19:56,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:56,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 10:19:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:56,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:56,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:56,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:56,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-25 10:19:56,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:19:56,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 10:19:56,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:56,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:56,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:19:56,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-25 10:19:56,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:56,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:56,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:19:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:56,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:56,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:56,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 10:19:56,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:56,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 10:19:56,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:56,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:56,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:19:56,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 10:19:56,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:56,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:56,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:19:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:56,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:56,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:56,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:56,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:56,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 10:19:56,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:56,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:56,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:19:56,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:56,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:19:56,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:19:57,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 10:19:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:57,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:57,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:57,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:57,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:57,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:19:57,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:57,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:57,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:57,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 10:19:57,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:57,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:57,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-25 10:19:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:57,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:57,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:57,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:57,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:57,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:19:57,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:57,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:57,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:57,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:57,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:57,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:19:57,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-25 10:19:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:57,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:57,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:57,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 10:19:57,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:57,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-25 10:19:57,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:57,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:57,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 10:19:57,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 10:19:57,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-25 10:19:57,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:19:57,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 10:19:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:57,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:57,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:57,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 10:19:57,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:57,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 10:19:57,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:57,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:57,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 10:19:57,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 10:19:57,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-25 10:19:57,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:19:57,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:19:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:57,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:57,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:57,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 10:19:57,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:57,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 10:19:57,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:57,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:57,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:19:57,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 10:19:57,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 10:19:57,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:57,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:19:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:57,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:57,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:57,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:57,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:57,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:19:57,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:57,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:57,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:57,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:57,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:57,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:57,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 10:19:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:57,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:57,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:57,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:57,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:57,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:19:57,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:57,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:57,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:57,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:57,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:19:57,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:57,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-09-25 10:19:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:57,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:57,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:57,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:57,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 10:19:57,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:19:57,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-25 10:19:57,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:57,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:57,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:57,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 10:19:57,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 10:19:57,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:57,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 10:19:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:57,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:57,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:57,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 10:19:57,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:57,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 10:19:57,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:57,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:57,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:57,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-25 10:19:57,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 10:19:57,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:19:57,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:19:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:57,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:57,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:57,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-25 10:19:57,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:57,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 10:19:57,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:57,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:57,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:57,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:57,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 10:19:57,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:57,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:19:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:57,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:57,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:57,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 10:19:57,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:57,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:19:57,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:57,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:57,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:57,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:57,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:57,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:57,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 10:19:57,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:57,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:57,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:57,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:57,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:57,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:19:57,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:57,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:57,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:19:57,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:19:57,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 10:19:57,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:57,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2020-09-25 10:19:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:19:57,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:19:57,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:19:57,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:19:57,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:19:57,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:19:57,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:19:57,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:19:57,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:19:57,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 10:19:57,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:19:57,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:19:57,640 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 122 proven. 48 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2020-09-25 10:19:57,641 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [982653389] [2020-09-25 10:19:57,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 10:19:57,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-25 10:19:57,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121658740] [2020-09-25 10:19:57,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-25 10:19:57,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:19:57,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-25 10:19:57,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-09-25 10:19:57,644 INFO L87 Difference]: Start difference. First operand 3052 states and 4057 transitions. Second operand 17 states. [2020-09-25 10:20:06,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:20:06,087 INFO L93 Difference]: Finished difference Result 7075 states and 9812 transitions. [2020-09-25 10:20:06,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-09-25 10:20:06,088 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 310 [2020-09-25 10:20:06,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:20:06,106 INFO L225 Difference]: With dead ends: 7075 [2020-09-25 10:20:06,107 INFO L226 Difference]: Without dead ends: 2942 [2020-09-25 10:20:06,135 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2324 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1286, Invalid=5520, Unknown=0, NotChecked=0, Total=6806 [2020-09-25 10:20:06,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2020-09-25 10:20:06,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2205. [2020-09-25 10:20:06,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2205 states. [2020-09-25 10:20:06,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2205 states to 2205 states and 2704 transitions. [2020-09-25 10:20:06,272 INFO L78 Accepts]: Start accepts. Automaton has 2205 states and 2704 transitions. Word has length 310 [2020-09-25 10:20:06,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:20:06,272 INFO L479 AbstractCegarLoop]: Abstraction has 2205 states and 2704 transitions. [2020-09-25 10:20:06,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-25 10:20:06,272 INFO L276 IsEmpty]: Start isEmpty. Operand 2205 states and 2704 transitions. [2020-09-25 10:20:06,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-09-25 10:20:06,280 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:20:06,281 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:20:06,281 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 10:20:06,281 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:20:06,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:20:06,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1225535303, now seen corresponding path program 1 times [2020-09-25 10:20:06,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:20:06,282 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [389608206] [2020-09-25 10:20:06,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:20:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:20:06,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:06,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:06,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:06,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:07,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:20:07,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking...