/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:26:29,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:26:29,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:26:29,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:26:29,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:26:29,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:26:29,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:26:29,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:26:29,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:26:29,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:26:29,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:26:29,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:26:29,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:26:29,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:26:29,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:26:29,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:26:29,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:26:29,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:26:29,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:26:29,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:26:29,529 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:26:29,530 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:26:29,532 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:26:29,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:26:29,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:26:29,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:26:29,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:26:29,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:26:29,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:26:29,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:26:29,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:26:29,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:26:29,545 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:26:29,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:26:29,547 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:26:29,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:26:29,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:26:29,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:26:29,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:26:29,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:26:29,551 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:26:29,552 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 11:26:29,579 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:26:29,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:26:29,581 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:26:29,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:26:29,581 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:26:29,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:26:29,582 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:26:29,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:26:29,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:26:29,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:26:29,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:26:29,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:26:29,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:26:29,583 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:26:29,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:26:29,583 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:26:29,584 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:26:29,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:26:29,584 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:26:29,584 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:26:29,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:26:29,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:26:29,585 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:26:29,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:26:29,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:26:29,586 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:26:29,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:26:29,586 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:26:29,586 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:26:29,586 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; [2020-09-25 11:26:30,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:26:30,086 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:26:30,090 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:26:30,092 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:26:30,093 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:26:30,094 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2020-09-25 11:26:30,191 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9caf5ccc4/e0abfaee0a564f39829f40b7ed99b87b/FLAGc46f7e8f9 [2020-09-25 11:26:30,775 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:26:30,776 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2020-09-25 11:26:30,793 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9caf5ccc4/e0abfaee0a564f39829f40b7ed99b87b/FLAGc46f7e8f9 [2020-09-25 11:26:31,084 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9caf5ccc4/e0abfaee0a564f39829f40b7ed99b87b [2020-09-25 11:26:31,100 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:26:31,107 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:26:31,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:26:31,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:26:31,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:26:31,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:26:31" (1/1) ... [2020-09-25 11:26:31,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@224796be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:26:31, skipping insertion in model container [2020-09-25 11:26:31,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:26:31" (1/1) ... [2020-09-25 11:26:31,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:26:31,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:26:31,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:26:31,481 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:26:31,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:26:31,634 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:26:31,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:26:31 WrapperNode [2020-09-25 11:26:31,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:26:31,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:26:31,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:26:31,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:26:31,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:26:31" (1/1) ... [2020-09-25 11:26:31,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:26:31" (1/1) ... [2020-09-25 11:26:31,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:26:31" (1/1) ... [2020-09-25 11:26:31,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:26:31" (1/1) ... [2020-09-25 11:26:31,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:26:31" (1/1) ... [2020-09-25 11:26:31,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:26:31" (1/1) ... [2020-09-25 11:26:31,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:26:31" (1/1) ... [2020-09-25 11:26:31,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:26:31,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:26:31,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:26:31,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:26:31,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:26:31" (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 11:26:31,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:26:31,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:26:31,777 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-09-25 11:26:31,777 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-09-25 11:26:31,777 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-09-25 11:26:31,778 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-09-25 11:26:31,778 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-09-25 11:26:31,778 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-09-25 11:26:31,778 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-09-25 11:26:31,778 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-09-25 11:26:31,779 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-09-25 11:26:31,779 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-09-25 11:26:31,779 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-09-25 11:26:31,779 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-09-25 11:26:31,779 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-09-25 11:26:31,779 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-09-25 11:26:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-09-25 11:26:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-09-25 11:26:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-09-25 11:26:31,780 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-09-25 11:26:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:26:31,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:26:31,781 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-09-25 11:26:31,781 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-09-25 11:26:31,781 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-09-25 11:26:31,781 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-09-25 11:26:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:26:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-09-25 11:26:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-09-25 11:26:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-09-25 11:26:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-09-25 11:26:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-09-25 11:26:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-09-25 11:26:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-09-25 11:26:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-09-25 11:26:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-09-25 11:26:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-09-25 11:26:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-09-25 11:26:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-09-25 11:26:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-09-25 11:26:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-09-25 11:26:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:26:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:26:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:26:32,450 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:26:32,451 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 11:26:32,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:26:32 BoogieIcfgContainer [2020-09-25 11:26:32,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:26:32,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:26:32,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:26:32,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:26:32,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:26:31" (1/3) ... [2020-09-25 11:26:32,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46208656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:26:32, skipping insertion in model container [2020-09-25 11:26:32,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:26:31" (2/3) ... [2020-09-25 11:26:32,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46208656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:26:32, skipping insertion in model container [2020-09-25 11:26:32,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:26:32" (3/3) ... [2020-09-25 11:26:32,469 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.01.cil-1.c [2020-09-25 11:26:32,481 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:26:32,492 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:26:32,513 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:26:32,547 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:26:32,547 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:26:32,548 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:26:32,548 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:26:32,548 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:26:32,548 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:26:32,548 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:26:32,548 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:26:32,576 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states. [2020-09-25 11:26:32,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-09-25 11:26:32,591 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:26:32,592 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 11:26:32,593 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:26:32,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:26:32,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1066956110, now seen corresponding path program 1 times [2020-09-25 11:26:32,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:26:32,614 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [913093382] [2020-09-25 11:26:32,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:26:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:32,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:33,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:34,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:34,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:34,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-09-25 11:26:34,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:26:34,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1994 [2020-09-25 11:26:34,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:34,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:34,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 11:26:34,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 11:26:34,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-09-25 11:26:34,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 11:26:35,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:26:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:35,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:35,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:35,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 11:26:35,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:35,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 11:26:35,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:35,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:35,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:35,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:35,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 11:26:35,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:26:35,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 11:26:35,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:35,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:35,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:35,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:26:35,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:35,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 11:26:35,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:35,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:35,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:35,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:35,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:26:35,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:35,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 11:26:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:35,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:35,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:35,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:26:35,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:35,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:26:35,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:35,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:35,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:35,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:35,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:26:35,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 11:26:35,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 11:26:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:35,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:35,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:35,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:35,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:35,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 11:26:35,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:35,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:35,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:35,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:35,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:26:35,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-25 11:26:35,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 11:26:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:35,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:35,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:35,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:35,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:35,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 11:26:35,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:35,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:35,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:35,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:35,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:26:35,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:35,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 11:26:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:35,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:35,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:35,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:35,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 11:26:35,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:26:35,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 11:26:35,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:35,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:35,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:35,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:35,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-25 11:26:35,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:35,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:26:35,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:35,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:35,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:35,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:35,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:35,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:26:35,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:35,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:35,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:35,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:35,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:35,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:35,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 11:26:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:35,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:35,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:35,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:35,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:35,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:26:35,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:35,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:35,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:35,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:35,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:35,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:35,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 11:26:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:35,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:35,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:35,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:35,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:35,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:26:35,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:35,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:35,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:35,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:35,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:26:35,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:26:35,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:26:35,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:35,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:35,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:35,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:35,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:35,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 11:26:35,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:35,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:35,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:35,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:35,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:26:35,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:35,432 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 11:26:35,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [913093382] [2020-09-25 11:26:35,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:26:35,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 11:26:35,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18319573] [2020-09-25 11:26:35,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 11:26:35,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:26:35,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 11:26:35,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-25 11:26:35,469 INFO L87 Difference]: Start difference. First operand 218 states. Second operand 8 states. [2020-09-25 11:26:38,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:26:38,850 INFO L93 Difference]: Finished difference Result 1032 states and 1403 transitions. [2020-09-25 11:26:38,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 11:26:38,853 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2020-09-25 11:26:38,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:26:38,882 INFO L225 Difference]: With dead ends: 1032 [2020-09-25 11:26:38,883 INFO L226 Difference]: Without dead ends: 823 [2020-09-25 11:26:38,892 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=159, Invalid=347, Unknown=0, NotChecked=0, Total=506 [2020-09-25 11:26:38,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2020-09-25 11:26:39,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 576. [2020-09-25 11:26:39,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2020-09-25 11:26:39,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 714 transitions. [2020-09-25 11:26:39,087 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 714 transitions. Word has length 107 [2020-09-25 11:26:39,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:26:39,091 INFO L479 AbstractCegarLoop]: Abstraction has 576 states and 714 transitions. [2020-09-25 11:26:39,091 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 11:26:39,091 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 714 transitions. [2020-09-25 11:26:39,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-25 11:26:39,109 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:26:39,110 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 11:26:39,112 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:26:39,116 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:26:39,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:26:39,117 INFO L82 PathProgramCache]: Analyzing trace with hash -517401199, now seen corresponding path program 1 times [2020-09-25 11:26:39,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:26:39,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [112658057] [2020-09-25 11:26:39,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:26:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:39,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:39,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:40,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:41,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:41,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-25 11:26:41,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:26:41,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2134 [2020-09-25 11:26:41,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:41,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:41,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 11:26:41,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-25 11:26:41,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-09-25 11:26:41,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:26:41,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:26:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:41,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:41,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:41,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 11:26:41,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:41,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 11:26:41,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:41,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:41,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:41,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:41,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:41,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:41,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 11:26:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:41,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:41,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:41,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:26:41,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:41,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:26:41,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:41,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:41,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:41,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:41,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:41,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:41,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 11:26:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:41,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:41,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:41,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:26:41,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:41,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:26:41,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:41,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:41,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:41,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:41,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:41,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:41,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 11:26:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:41,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:41,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:41,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:41,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:41,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:26:41,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:41,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:41,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:41,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:41,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:26:41,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:41,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 11:26:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:41,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:41,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:41,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:41,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:41,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 11:26:41,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:41,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:41,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:41,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:41,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:26:41,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:41,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 11:26:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:41,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:41,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:41,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 11:26:41,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:41,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 11:26:41,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:41,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:41,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:26:41,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:26:41,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 11:26:41,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:41,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:26:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:41,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:41,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:41,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:41,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:41,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:26:41,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:41,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:41,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:41,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:41,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:26:41,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:41,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 11:26:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:41,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:41,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:41,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:41,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:41,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:26:41,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:41,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:41,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:41,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:41,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:26:41,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:41,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 11:26:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:41,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:41,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:41,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:41,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:41,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:26:41,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:41,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:41,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:41,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:41,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:26:41,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:41,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:26:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:41,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:41,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:41,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:41,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:41,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:26:41,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:41,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:41,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:41,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:41,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:26:41,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:41,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 11:26:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:41,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:41,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:41,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 11:26:41,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:41,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-09-25 11:26:41,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:41,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:41,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 11:26:41,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:26:41,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-25 11:26:41,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:26:41,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 11:26:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:41,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:41,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:41,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 11:26:41,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:41,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 11:26:41,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:41,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:41,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:26:41,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:26:41,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-25 11:26:41,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:41,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:26:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:41,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:41,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:41,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 11:26:41,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:41,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 11:26:41,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:41,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:41,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:26:41,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:26:41,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 11:26:41,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:41,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:26:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:41,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:41,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:41,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:41,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:41,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:26:41,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:41,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:41,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:41,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:41,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:26:41,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:41,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 11:26:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:41,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:41,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:41,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:41,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:41,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:26:41,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:41,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:41,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:41,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:41,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:26:41,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:41,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-25 11:26:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:41,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:41,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:41,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:41,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:41,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:26:41,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:41,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:41,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:41,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 11:26:41,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:41,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:41,995 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 11:26:41,996 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [112658057] [2020-09-25 11:26:41,996 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:26:41,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 11:26:41,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142247458] [2020-09-25 11:26:42,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 11:26:42,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:26:42,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 11:26:42,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-09-25 11:26:42,003 INFO L87 Difference]: Start difference. First operand 576 states and 714 transitions. Second operand 10 states. [2020-09-25 11:26:45,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:26:45,343 INFO L93 Difference]: Finished difference Result 2208 states and 3076 transitions. [2020-09-25 11:26:45,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-25 11:26:45,344 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 170 [2020-09-25 11:26:45,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:26:45,368 INFO L225 Difference]: With dead ends: 2208 [2020-09-25 11:26:45,368 INFO L226 Difference]: Without dead ends: 1672 [2020-09-25 11:26:45,381 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 11:26:45,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2020-09-25 11:26:45,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1113. [2020-09-25 11:26:45,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1113 states. [2020-09-25 11:26:45,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1439 transitions. [2020-09-25 11:26:45,573 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1439 transitions. Word has length 170 [2020-09-25 11:26:45,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:26:45,576 INFO L479 AbstractCegarLoop]: Abstraction has 1113 states and 1439 transitions. [2020-09-25 11:26:45,576 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 11:26:45,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1439 transitions. [2020-09-25 11:26:45,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-25 11:26:45,580 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:26:45,581 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 11:26:45,581 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:26:45,581 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:26:45,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:26:45,581 INFO L82 PathProgramCache]: Analyzing trace with hash -1933579983, now seen corresponding path program 1 times [2020-09-25 11:26:45,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:26:45,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [637042331] [2020-09-25 11:26:45,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:26:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:45,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:45,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:45,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:46,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:46,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-25 11:26:46,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:26:46,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 473 [2020-09-25 11:26:46,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:46,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:46,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:46,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-25 11:26:46,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 11:26:46,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:46,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:26:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:46,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:46,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:46,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 11:26:46,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:46,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 11:26:46,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:46,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:46,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:46,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:46,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:46,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:46,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 11:26:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:46,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:46,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:46,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:26:46,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:46,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:26:46,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:46,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:46,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:46,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:46,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 11:26:46,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:46,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 11:26:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:46,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:46,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:46,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:26:46,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:46,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:26:46,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:46,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:46,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:46,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:46,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:26:46,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:46,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 11:26:46,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:46,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:46,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:46,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:46,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:46,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:26:46,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:46,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:46,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:46,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-25 11:26:46,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:26:46,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:46,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 11:26:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:46,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:46,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:46,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:46,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:46,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:26:46,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:46,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:46,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:46,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 11:26:46,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:46,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:46,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 11:26:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:46,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:46,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:46,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 11:26:46,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:46,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:26:46,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:46,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:46,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:46,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-09-25 11:26:46,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:46,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:46,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:26:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:46,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:46,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:46,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:46,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:46,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:26:46,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:46,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:46,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:46,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:46,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:46,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:46,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 11:26:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:46,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:46,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:46,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:46,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:46,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:26:46,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:46,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:46,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:46,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:46,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:46,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:46,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 11:26:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:46,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:46,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:46,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:46,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:46,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:26:46,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:46,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:46,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:46,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 11:26:46,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:46,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:26:46,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:26:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:46,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:46,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:46,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:46,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:46,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:26:46,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:46,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:46,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:46,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 11:26:46,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:46,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:26:46,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 11:26:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:46,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:46,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:46,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 11:26:46,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:46,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 11:26:46,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:46,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:46,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:46,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-09-25 11:26:46,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:46,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:46,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 11:26:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:46,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:46,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:46,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 11:26:46,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:46,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:26:46,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:46,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:46,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:46,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:46,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:46,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:46,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:26:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:46,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:46,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:46,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 11:26:46,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:46,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:26:46,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:46,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:46,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:46,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:46,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:46,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:46,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:26:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:46,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:46,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:46,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:46,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:46,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:26:46,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:46,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:46,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:46,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:46,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:46,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:46,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 11:26:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:46,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:46,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:46,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:46,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:46,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:26:46,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:46,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:46,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:46,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:46,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:46,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:46,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-25 11:26:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:46,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:46,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:46,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:46,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:46,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:26:46,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:46,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:46,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:46,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 11:26:46,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:46,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:46,432 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 11:26:46,432 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [637042331] [2020-09-25 11:26:46,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:26:46,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 11:26:46,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348397980] [2020-09-25 11:26:46,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 11:26:46,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:26:46,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 11:26:46,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-25 11:26:46,436 INFO L87 Difference]: Start difference. First operand 1113 states and 1439 transitions. Second operand 9 states. [2020-09-25 11:26:48,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:26:48,144 INFO L93 Difference]: Finished difference Result 2606 states and 3442 transitions. [2020-09-25 11:26:48,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 11:26:48,145 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 170 [2020-09-25 11:26:48,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:26:48,157 INFO L225 Difference]: With dead ends: 2606 [2020-09-25 11:26:48,157 INFO L226 Difference]: Without dead ends: 1531 [2020-09-25 11:26:48,164 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 11:26:48,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2020-09-25 11:26:48,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1107. [2020-09-25 11:26:48,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1107 states. [2020-09-25 11:26:48,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 1107 states and 1428 transitions. [2020-09-25 11:26:48,250 INFO L78 Accepts]: Start accepts. Automaton has 1107 states and 1428 transitions. Word has length 170 [2020-09-25 11:26:48,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:26:48,250 INFO L479 AbstractCegarLoop]: Abstraction has 1107 states and 1428 transitions. [2020-09-25 11:26:48,250 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 11:26:48,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1428 transitions. [2020-09-25 11:26:48,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-09-25 11:26:48,254 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:26:48,254 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 11:26:48,255 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 11:26:48,255 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:26:48,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:26:48,255 INFO L82 PathProgramCache]: Analyzing trace with hash 2042384132, now seen corresponding path program 1 times [2020-09-25 11:26:48,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:26:48,256 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1107080446] [2020-09-25 11:26:48,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:26:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:48,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:48,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:48,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:48,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-09-25 11:26:48,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:26:48,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-09-25 11:26:48,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:48,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:48,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:48,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-09-25 11:26:48,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 11:26:48,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:26:48,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:26:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:48,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:48,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:48,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 11:26:48,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:48,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 11:26:48,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:48,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:48,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:48,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:48,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:48,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:48,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 11:26:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:48,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:48,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:48,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:26:48,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:48,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:26:48,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:48,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:48,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:48,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:48,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:48,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:48,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 11:26:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:48,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:48,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:48,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:26:48,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:48,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:26:48,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:48,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:48,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:48,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:48,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:48,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:48,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 11:26:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:48,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:48,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:48,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:48,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:48,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:26:48,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:48,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:48,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:48,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:48,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:48,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:48,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 11:26:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:48,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:48,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:48,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:48,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:48,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:26:48,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:48,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:48,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:48,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:48,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:48,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:48,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 11:26:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:48,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:48,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:48,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 11:26:48,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:48,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:26:48,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:48,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:48,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:48,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:48,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:48,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:48,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:26:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:48,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:48,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:48,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:48,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:48,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:26:48,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:48,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:48,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:48,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:48,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:48,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:26:48,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 11:26:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:48,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:48,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:48,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:48,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:48,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:26:48,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:48,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:48,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:48,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:48,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:48,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:48,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 11:26:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:48,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:48,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:48,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:48,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:48,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:26:48,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:48,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:48,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:48,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:48,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:48,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:48,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:26:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:48,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:48,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:48,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:48,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:48,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:26:48,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:48,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:48,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:48,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:48,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:48,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:26:48,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 11:26:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:48,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:48,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:48,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 11:26:48,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:48,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 11:26:48,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:48,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:48,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:48,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:48,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-25 11:26:48,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:48,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 11:26:48,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:48,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:48,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:48,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 11:26:48,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:48,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:26:48,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:48,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:48,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:48,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:48,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:48,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:48,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:26:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:48,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:48,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:48,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 11:26:48,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:48,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:26:48,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:48,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:48,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:48,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:48,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:48,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:48,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:26:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:48,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:48,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:48,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:48,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:48,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:26:48,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:48,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:48,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:48,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:48,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:48,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:48,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 11:26:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:48,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:48,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:48,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:48,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:48,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:26:48,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:48,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:48,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:48,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:48,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:48,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:48,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 11:26:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:48,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:48,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:48,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:48,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:48,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:26:48,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 11:26:48,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:48,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:48,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:48,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:48,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:26:48,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:48,941 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 11:26:48,942 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1107080446] [2020-09-25 11:26:48,942 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:26:48,942 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 11:26:48,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669107538] [2020-09-25 11:26:48,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 11:26:48,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:26:48,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 11:26:48,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-25 11:26:48,944 INFO L87 Difference]: Start difference. First operand 1107 states and 1428 transitions. Second operand 8 states. [2020-09-25 11:26:51,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:26:51,537 INFO L93 Difference]: Finished difference Result 3802 states and 5295 transitions. [2020-09-25 11:26:51,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 11:26:51,538 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 175 [2020-09-25 11:26:51,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:26:51,563 INFO L225 Difference]: With dead ends: 3802 [2020-09-25 11:26:51,564 INFO L226 Difference]: Without dead ends: 2734 [2020-09-25 11:26:51,576 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 11:26:51,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2734 states. [2020-09-25 11:26:51,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2734 to 2068. [2020-09-25 11:26:51,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2068 states. [2020-09-25 11:26:51,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 2068 states and 2782 transitions. [2020-09-25 11:26:51,748 INFO L78 Accepts]: Start accepts. Automaton has 2068 states and 2782 transitions. Word has length 175 [2020-09-25 11:26:51,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:26:51,750 INFO L479 AbstractCegarLoop]: Abstraction has 2068 states and 2782 transitions. [2020-09-25 11:26:51,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 11:26:51,750 INFO L276 IsEmpty]: Start isEmpty. Operand 2068 states and 2782 transitions. [2020-09-25 11:26:51,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-09-25 11:26:51,761 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:26:51,761 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:26:51,762 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 11:26:51,762 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:26:51,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:26:51,762 INFO L82 PathProgramCache]: Analyzing trace with hash 304696682, now seen corresponding path program 1 times [2020-09-25 11:26:51,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:26:51,763 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1927591689] [2020-09-25 11:26:51,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:26:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:51,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:51,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:51,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:51,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:52,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:56,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:56,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:56,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 349 [2020-09-25 11:26:56,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 11:26:56,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-09-25 11:26:56,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:56,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:56,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 11:26:56,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 11:26:56,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-09-25 11:26:56,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:56,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:26:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:56,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:56,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:56,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 11:26:56,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:56,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 11:26:56,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:56,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:56,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:56,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:56,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 11:26:56,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:56,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 11:26:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:56,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:56,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:56,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:26:56,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:56,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:26:56,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:56,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:56,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:56,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:56,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:26:56,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:26:56,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 11:26:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:56,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:56,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:56,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:26:56,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:56,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:26:56,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:56,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:56,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:56,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:56,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:26:56,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:26:56,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 11:26:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:56,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:57,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:57,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:57,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:57,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 11:26:57,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:57,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:57,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:57,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:57,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:26:57,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:26:57,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 11:26:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:57,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:57,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:57,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:57,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:57,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:26:57,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:57,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:57,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:57,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:57,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:26:57,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:57,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 11:26:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:57,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:57,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:57,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 11:26:57,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:57,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:26:57,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:57,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:57,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:57,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:57,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-25 11:26:57,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:26:57,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:26:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:57,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:57,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:57,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:57,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:57,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:26:57,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:57,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:57,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:57,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:57,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:57,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:57,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 11:26:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:57,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:57,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:57,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:57,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:57,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:26:57,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:57,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:57,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:57,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:57,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:57,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:57,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 11:26:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:57,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:57,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:57,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:57,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:57,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:26:57,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:57,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:57,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:57,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:57,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:26:57,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:57,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:26:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:57,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:57,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:57,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 11:26:57,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:57,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:26:57,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:57,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:57,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:57,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:57,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:26:57,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:26:57,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-09-25 11:26:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:57,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:57,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:57,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:57,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:57,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:57,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 11:26:57,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:26:57,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 421 [2020-09-25 11:26:57,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:57,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:57,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:26:57,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:26:57,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-25 11:26:57,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:26:57,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 11:26:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:57,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:57,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:57,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:57,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-25 11:26:57,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:26:57,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 11:26:57,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:57,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:57,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:57,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:57,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 11:26:57,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:57,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:26:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:57,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:57,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:57,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:57,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 11:26:57,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:26:57,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 11:26:57,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:57,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:57,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:26:57,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 11:26:57,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:26:57,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:57,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:26:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:57,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:57,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:57,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:57,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:57,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:26:57,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:57,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:57,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:26:57,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:57,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:26:57,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:57,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 11:26:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:57,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:57,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:57,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:57,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:57,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:26:57,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:57,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:57,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:57,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 11:26:57,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:57,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:57,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-25 11:26:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:57,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:57,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:57,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:57,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:57,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:26:57,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:57,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:57,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:57,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 11:26:57,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:57,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:26:57,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-25 11:26:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:57,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:57,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:57,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 11:26:57,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:57,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 11:26:57,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:57,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:57,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:57,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-09-25 11:26:57,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:57,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:26:57,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 11:26:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:57,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:57,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:57,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 11:26:57,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:57,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:26:57,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:57,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:57,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:57,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:57,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:57,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:57,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:26:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:57,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:57,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:57,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 11:26:57,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:57,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:26:57,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:57,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:57,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:57,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:57,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:57,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:57,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:26:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:57,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:57,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:57,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:57,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:57,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:26:57,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:57,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:57,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:57,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:57,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:57,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:57,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 11:26:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:57,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:57,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:57,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:57,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:57,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:26:57,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:57,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:57,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:57,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:57,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:57,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:57,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-25 11:26:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:57,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:57,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:57,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:57,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 11:26:57,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:26:57,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-25 11:26:57,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:57,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:57,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:57,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 11:26:57,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 11:26:57,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:57,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 11:26:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:57,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:57,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:57,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 11:26:57,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:57,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 11:26:57,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:57,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:57,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:57,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-25 11:26:57,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 11:26:57,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:57,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:26:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:58,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:58,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:58,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-25 11:26:58,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:58,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 11:26:58,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:58,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:58,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:58,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:58,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 11:26:58,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:58,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:26:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:58,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:58,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:58,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 11:26:58,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:58,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:26:58,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:58,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:58,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:58,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:58,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:58,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:58,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 11:26:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:58,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:58,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:58,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:58,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:58,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:26:58,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:58,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:58,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:26:58,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:26:58,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 11:26:58,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:58,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-09-25 11:26:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:26:58,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:26:58,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:26:58,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:26:58,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:26:58,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:26:58,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:26:58,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:26:58,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:26:58,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 11:26:58,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:26:58,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:26:58,180 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 71 proven. 33 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2020-09-25 11:26:58,181 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1927591689] [2020-09-25 11:26:58,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 11:26:58,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-25 11:26:58,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840589476] [2020-09-25 11:26:58,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-25 11:26:58,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:26:58,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-25 11:26:58,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2020-09-25 11:26:58,183 INFO L87 Difference]: Start difference. First operand 2068 states and 2782 transitions. Second operand 17 states. [2020-09-25 11:27:04,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:27:04,591 INFO L93 Difference]: Finished difference Result 6379 states and 9118 transitions. [2020-09-25 11:27:04,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-09-25 11:27:04,592 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 282 [2020-09-25 11:27:04,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:27:04,611 INFO L225 Difference]: With dead ends: 6379 [2020-09-25 11:27:04,612 INFO L226 Difference]: Without dead ends: 3042 [2020-09-25 11:27:04,634 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 72 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=573, Invalid=2183, Unknown=0, NotChecked=0, Total=2756 [2020-09-25 11:27:04,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3042 states. [2020-09-25 11:27:04,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3042 to 2254. [2020-09-25 11:27:04,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2254 states. [2020-09-25 11:27:04,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 2254 states and 2866 transitions. [2020-09-25 11:27:04,781 INFO L78 Accepts]: Start accepts. Automaton has 2254 states and 2866 transitions. Word has length 282 [2020-09-25 11:27:04,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:27:04,781 INFO L479 AbstractCegarLoop]: Abstraction has 2254 states and 2866 transitions. [2020-09-25 11:27:04,781 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-25 11:27:04,781 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 2866 transitions. [2020-09-25 11:27:04,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-09-25 11:27:04,788 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:27:04,788 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:27:04,788 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 11:27:04,789 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:27:04,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:27:04,789 INFO L82 PathProgramCache]: Analyzing trace with hash -469744976, now seen corresponding path program 1 times [2020-09-25 11:27:04,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:27:04,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1181431739] [2020-09-25 11:27:04,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:27:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:27:04,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:04,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:05,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:05,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:06,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:09,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:27:09,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 307 [2020-09-25 11:27:09,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:27:09,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-25 11:27:09,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:27:09,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:27:09,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-25 11:27:09,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 138 [2020-09-25 11:27:09,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-09-25 11:27:09,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:27:09,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:27:09,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:27:09,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:09,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:27:09,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 11:27:09,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:27:09,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 11:27:09,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:27:09,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:27:09,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:27:09,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:27:09,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:27:09,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:27:10,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 11:27:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:27:10,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:10,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:27:10,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:27:10,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:27:10,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:27:10,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:27:10,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:27:10,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:27:10,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:27:10,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:27:10,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:27:10,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 11:27:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:27:10,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:10,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:27:10,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:27:10,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:27:10,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:27:10,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:27:10,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:27:10,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:27:10,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:27:10,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:27:10,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:27:10,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 11:27:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:27:10,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:10,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:27:10,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:27:10,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:27:10,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:27:10,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:27:10,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:27:10,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:27:10,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:27:10,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:27:10,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:27:10,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 11:27:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:27:10,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:10,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:27:10,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:27:10,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:27:10,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:27:10,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:27:10,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:27:10,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:27:10,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:27:10,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:27:10,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:27:10,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 11:27:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:27:10,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:10,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:27:10,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 11:27:10,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:27:10,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:27:10,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:27:10,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:27:10,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:27:10,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:27:10,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:27:10,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:27:10,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:27:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:27:10,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:10,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:27:10,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:27:10,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:27:10,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:27:10,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:27:10,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:27:10,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:27:10,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:27:10,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:27:10,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:27:10,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 11:27:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:27:10,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:10,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:27:10,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:27:10,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:27:10,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:27:10,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:27:10,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:27:10,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:27:10,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:27:10,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:27:10,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:27:10,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 11:27:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:27:10,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:10,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:27:10,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:27:10,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:27:10,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:27:10,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:27:10,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:27:10,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:27:10,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:27:10,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:27:10,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:27:10,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:27:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:27:10,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:10,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:27:10,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:27:10,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:27:10,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:27:10,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:27:10,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:27:10,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:27:10,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:27:10,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:27:10,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:27:10,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 11:27:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:27:10,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:10,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:27:10,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 11:27:10,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:27:10,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 11:27:10,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:27:10,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:27:10,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:27:10,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:27:10,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:27:10,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:27:10,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 11:27:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:27:10,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:10,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:27:10,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 11:27:10,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:27:10,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:27:10,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:27:10,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:27:10,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:27:10,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:27:10,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-25 11:27:10,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:27:10,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:27:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:27:10,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:10,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:27:10,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 11:27:10,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:27:10,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:27:10,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:27:10,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:27:10,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:27:10,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:27:10,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:27:10,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:27:10,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:27:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:27:10,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:10,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:27:10,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:27:10,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:27:10,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:27:10,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:27:10,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:27:10,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:27:10,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:27:10,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:27:10,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:27:10,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 11:27:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:27:10,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:10,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:27:10,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:27:10,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:27:10,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:27:10,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:27:10,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:27:10,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:27:10,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:27:10,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:27:10,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:27:10,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 11:27:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:27:10,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:10,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:27:10,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:27:10,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:27:10,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 11:27:10,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:27:10,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:27:10,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:27:10,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:27:10,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 11:27:10,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:27:10,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-25 11:27:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:27:10,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:10,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:27:10,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 11:27:10,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:27:10,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:27:10,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:27:10,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:27:10,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:27:10,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:27:10,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:27:10,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:27:10,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-09-25 11:27:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:27:10,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:10,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:10,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:27:10,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 11:27:10,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:27:10,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 263 [2020-09-25 11:27:10,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:27:10,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:27:10,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:27:10,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:27:10,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-25 11:27:10,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:27:10,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 11:27:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:27:10,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:10,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:10,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:27:10,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 11:27:10,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:27:10,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-09-25 11:27:10,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:27:10,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:27:10,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:27:10,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:27:10,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-25 11:27:10,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:27:10,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:27:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:27:10,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:10,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:10,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:27:10,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 11:27:10,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:27:10,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-25 11:27:10,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:27:10,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:27:10,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:27:10,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 11:27:10,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:27:10,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:27:10,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:27:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:27:10,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:10,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:27:10,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 11:27:10,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:27:10,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:27:10,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:27:10,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:27:10,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:27:10,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:27:10,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:27:10,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:27:10,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 11:27:10,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:27:10,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:10,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:27:10,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 11:27:10,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:27:10,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 11:27:10,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:27:10,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:27:10,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:27:10,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:27:10,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:27:10,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:27:11,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-25 11:27:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:27:11,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:27:11,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:27:11,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:27:11,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:27:11,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:27:11,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:27:11,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:27:11,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:27:11,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:27:11,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:27:11,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:27:11,219 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-09-25 11:27:11,219 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1181431739] [2020-09-25 11:27:11,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 11:27:11,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-25 11:27:11,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530407181] [2020-09-25 11:27:11,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-25 11:27:11,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:27:11,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-25 11:27:11,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-09-25 11:27:11,222 INFO L87 Difference]: Start difference. First operand 2254 states and 2866 transitions. Second operand 16 states.