/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 21:01:19,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 21:01:19,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 21:01:20,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 21:01:20,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 21:01:20,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 21:01:20,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 21:01:20,045 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 21:01:20,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 21:01:20,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 21:01:20,052 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 21:01:20,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 21:01:20,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 21:01:20,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 21:01:20,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 21:01:20,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 21:01:20,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 21:01:20,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 21:01:20,066 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 21:01:20,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 21:01:20,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 21:01:20,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 21:01:20,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 21:01:20,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 21:01:20,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 21:01:20,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 21:01:20,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 21:01:20,078 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 21:01:20,079 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 21:01:20,080 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 21:01:20,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 21:01:20,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 21:01:20,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 21:01:20,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 21:01:20,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 21:01:20,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 21:01:20,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 21:01:20,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 21:01:20,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 21:01:20,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 21:01:20,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 21:01:20,086 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 21:01:20,107 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 21:01:20,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 21:01:20,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 21:01:20,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 21:01:20,109 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 21:01:20,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 21:01:20,110 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 21:01:20,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 21:01:20,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 21:01:20,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 21:01:20,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 21:01:20,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 21:01:20,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 21:01:20,111 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 21:01:20,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 21:01:20,112 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 21:01:20,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 21:01:20,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 21:01:20,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 21:01:20,112 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 21:01:20,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 21:01:20,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 21:01:20,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 21:01:20,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 21:01:20,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 21:01:20,114 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 21:01:20,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 21:01:20,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 21:01:20,114 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 21:01:20,114 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 21:01:20,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 21:01:20,445 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 21:01:20,451 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 21:01:20,453 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 21:01:20,454 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 21:01:20,455 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c [2020-10-12 21:01:20,535 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5599d4556/ad8e6621b00c44dc9ca75ddf60d8f330/FLAG639617a6f [2020-10-12 21:01:21,021 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 21:01:21,021 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c [2020-10-12 21:01:21,031 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5599d4556/ad8e6621b00c44dc9ca75ddf60d8f330/FLAG639617a6f [2020-10-12 21:01:21,397 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5599d4556/ad8e6621b00c44dc9ca75ddf60d8f330 [2020-10-12 21:01:21,407 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 21:01:21,409 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 21:01:21,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 21:01:21,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 21:01:21,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 21:01:21,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:01:21" (1/1) ... [2020-10-12 21:01:21,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@654c884d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:01:21, skipping insertion in model container [2020-10-12 21:01:21,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:01:21" (1/1) ... [2020-10-12 21:01:21,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 21:01:21,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 21:01:21,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:01:21,659 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 21:01:21,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:01:21,821 INFO L208 MainTranslator]: Completed translation [2020-10-12 21:01:21,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:01:21 WrapperNode [2020-10-12 21:01:21,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 21:01:21,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 21:01:21,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 21:01:21,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 21:01:21,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:01:21" (1/1) ... [2020-10-12 21:01:21,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:01:21" (1/1) ... [2020-10-12 21:01:21,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:01:21" (1/1) ... [2020-10-12 21:01:21,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:01:21" (1/1) ... [2020-10-12 21:01:21,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:01:21" (1/1) ... [2020-10-12 21:01:21,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:01:21" (1/1) ... [2020-10-12 21:01:21,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:01:21" (1/1) ... [2020-10-12 21:01:21,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 21:01:21,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 21:01:21,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 21:01:21,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 21:01:21,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:01:21" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 21:01:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 21:01:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 21:01:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-12 21:01:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2020-10-12 21:01:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2020-10-12 21:01:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2020-10-12 21:01:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2020-10-12 21:01:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2020-10-12 21:01:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2020-10-12 21:01:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-12 21:01:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-12 21:01:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-12 21:01:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-12 21:01:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-12 21:01:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-12 21:01:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-12 21:01:21,945 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-12 21:01:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-12 21:01:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-12 21:01:21,946 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 21:01:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 21:01:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 21:01:21,946 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-12 21:01:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2020-10-12 21:01:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2020-10-12 21:01:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2020-10-12 21:01:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2020-10-12 21:01:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2020-10-12 21:01:21,947 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2020-10-12 21:01:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-12 21:01:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-12 21:01:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-12 21:01:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-12 21:01:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-12 21:01:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-12 21:01:21,948 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-12 21:01:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-12 21:01:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-12 21:01:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-12 21:01:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 21:01:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 21:01:21,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 21:01:22,465 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 21:01:22,466 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-12 21:01:22,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:01:22 BoogieIcfgContainer [2020-10-12 21:01:22,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 21:01:22,473 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 21:01:22,473 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 21:01:22,477 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 21:01:22,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 09:01:21" (1/3) ... [2020-10-12 21:01:22,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e4a5f58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:01:22, skipping insertion in model container [2020-10-12 21:01:22,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:01:21" (2/3) ... [2020-10-12 21:01:22,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e4a5f58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:01:22, skipping insertion in model container [2020-10-12 21:01:22,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:01:22" (3/3) ... [2020-10-12 21:01:22,481 INFO L109 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-1.c [2020-10-12 21:01:22,492 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 21:01:22,515 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 21:01:22,530 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 21:01:22,567 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 21:01:22,567 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 21:01:22,567 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 21:01:22,568 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 21:01:22,568 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 21:01:22,568 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 21:01:22,568 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 21:01:22,569 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 21:01:22,600 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2020-10-12 21:01:22,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-12 21:01:22,615 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:01:22,616 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] [2020-10-12 21:01:22,617 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:01:22,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:01:22,623 INFO L82 PathProgramCache]: Analyzing trace with hash 4101629, now seen corresponding path program 1 times [2020-10-12 21:01:22,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:01:22,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1795607596] [2020-10-12 21:01:22,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:01:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:22,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:23,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:23,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:23,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:23,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:23,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:26,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:26,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:27,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:27,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:27,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-12 21:01:27,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 21:01:27,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-12 21:01:27,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:27,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 21:01:27,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:01:27,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-12 21:01:27,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 21:01:28,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:01:28,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:28,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:28,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:28,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:28,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:28,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:01:28,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:28,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:28,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:28,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:01:28,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:28,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:01:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:28,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:28,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:28,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:28,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:28,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:01:28,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:28,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:28,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:28,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:01:28,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:28,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:01:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:28,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:28,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:28,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:28,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:28,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:28,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:28,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:28,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:28,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:01:28,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:28,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 21:01:28,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:28,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:28,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:28,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:28,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:28,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:28,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:28,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:28,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:28,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:01:28,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:28,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:01:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:28,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:28,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:28,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:28,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:28,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:28,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:28,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:28,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:28,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:01:28,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:28,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:01:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:28,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:28,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:28,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:28,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:01:28,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:01:28,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-12 21:01:28,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:28,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:01:28,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:01:28,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:01:28,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:28,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:28,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:28,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:28,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:28,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:28,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:01:28,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:28,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:01:28,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:28,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:01:28,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:01:28,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:01:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:28,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:28,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:28,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:28,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:28,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:28,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:28,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:28,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:01:28,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:28,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:28,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 21:01:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:28,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:28,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:28,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:28,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:28,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:28,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:28,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:28,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:28,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:01:28,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:28,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 21:01:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:28,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:28,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:28,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:28,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:28,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:01:28,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:28,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:28,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:28,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:01:28,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:01:28,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:01:28,501 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1795607596] [2020-10-12 21:01:28,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:01:28,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:01:28,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616949789] [2020-10-12 21:01:28,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:01:28,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:01:28,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:01:28,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:01:28,536 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 13 states. [2020-10-12 21:01:32,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:01:32,939 INFO L93 Difference]: Finished difference Result 526 states and 858 transitions. [2020-10-12 21:01:32,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-12 21:01:32,941 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 78 [2020-10-12 21:01:32,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:01:32,961 INFO L225 Difference]: With dead ends: 526 [2020-10-12 21:01:32,962 INFO L226 Difference]: Without dead ends: 392 [2020-10-12 21:01:32,968 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=391, Invalid=1091, Unknown=0, NotChecked=0, Total=1482 [2020-10-12 21:01:32,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2020-10-12 21:01:33,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 253. [2020-10-12 21:01:33,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-10-12 21:01:33,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 341 transitions. [2020-10-12 21:01:33,087 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 341 transitions. Word has length 78 [2020-10-12 21:01:33,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:01:33,088 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 341 transitions. [2020-10-12 21:01:33,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:01:33,088 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 341 transitions. [2020-10-12 21:01:33,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-12 21:01:33,092 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:01:33,092 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] [2020-10-12 21:01:33,093 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 21:01:33,093 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:01:33,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:01:33,093 INFO L82 PathProgramCache]: Analyzing trace with hash -770562900, now seen corresponding path program 1 times [2020-10-12 21:01:33,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:01:33,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [567031942] [2020-10-12 21:01:33,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:01:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:33,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:33,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:33,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:33,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:33,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:34,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:34,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:36,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:36,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-12 21:01:36,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:01:36,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3709 [2020-10-12 21:01:36,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:36,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:01:36,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 21:01:36,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-12 21:01:36,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:36,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:01:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:36,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:36,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:36,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:36,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:36,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:36,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:36,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:36,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:36,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:36,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:36,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:01:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:36,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:36,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:36,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:36,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:36,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:01:36,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:36,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:36,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:36,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:01:36,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:36,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:01:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:36,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:36,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:36,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:36,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:36,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:36,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:36,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:36,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:36,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:01:36,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:36,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 21:01:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:36,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:36,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:36,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:36,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:36,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:36,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:36,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:36,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:36,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:01:36,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:36,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:01:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:36,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:36,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:36,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:36,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:36,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:36,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:36,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:36,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:36,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:01:36,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:36,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:01:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:36,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:36,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:36,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:36,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:01:36,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:01:36,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:01:36,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:36,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:36,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-12 21:01:36,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 21:01:36,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:37,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:37,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:37,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:37,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:37,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:37,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:37,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:37,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:37,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:37,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:37,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:37,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:01:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:37,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:37,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:37,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:37,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:37,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:37,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:37,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:37,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:37,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 21:01:37,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:37,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 21:01:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:37,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:37,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:37,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:37,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:37,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:37,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:37,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:37,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:37,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:01:37,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:37,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 21:01:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:37,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:37,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:37,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:37,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:37,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:37,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:37,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:37,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:37,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:01:37,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:37,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:01:37,048 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [567031942] [2020-10-12 21:01:37,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:01:37,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:01:37,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122216309] [2020-10-12 21:01:37,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:01:37,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:01:37,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:01:37,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:01:37,052 INFO L87 Difference]: Start difference. First operand 253 states and 341 transitions. Second operand 9 states. [2020-10-12 21:01:39,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:01:39,582 INFO L93 Difference]: Finished difference Result 927 states and 1447 transitions. [2020-10-12 21:01:39,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-12 21:01:39,583 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 79 [2020-10-12 21:01:39,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:01:39,590 INFO L225 Difference]: With dead ends: 927 [2020-10-12 21:01:39,591 INFO L226 Difference]: Without dead ends: 694 [2020-10-12 21:01:39,595 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:01:39,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2020-10-12 21:01:39,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 470. [2020-10-12 21:01:39,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2020-10-12 21:01:39,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 637 transitions. [2020-10-12 21:01:39,692 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 637 transitions. Word has length 79 [2020-10-12 21:01:39,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:01:39,693 INFO L479 AbstractCegarLoop]: Abstraction has 470 states and 637 transitions. [2020-10-12 21:01:39,693 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:01:39,693 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 637 transitions. [2020-10-12 21:01:39,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-12 21:01:39,695 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:01:39,695 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] [2020-10-12 21:01:39,695 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 21:01:39,695 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:01:39,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:01:39,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1668639126, now seen corresponding path program 1 times [2020-10-12 21:01:39,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:01:39,696 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [709253154] [2020-10-12 21:01:39,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:01:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:39,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:39,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:39,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:39,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:39,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:42,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-12 21:01:44,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 21:01:44,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 21:01:44,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:01:44,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 21:01:44,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 21:01:44,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:01:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:44,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:44,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:44,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:44,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:44,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:44,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:01:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:44,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:44,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:44,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:44,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:44,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:01:44,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:01:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:44,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:44,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:01:44,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:01:44,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:01:44,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:01:44,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 21:01:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:44,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:44,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:01:44,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:44,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:44,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:01:44,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:01:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:44,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:44,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:01:44,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:01:44,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:01:44,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:01:44,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:01:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:44,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:44,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:44,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:01:44,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:01:44,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 21:01:44,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:44,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:01:44,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 21:01:44,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:01:44,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:44,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:45,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:45,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:45,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:45,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:45,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:45,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:45,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:45,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:45,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:45,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:45,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:01:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:45,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:45,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:45,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:45,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:45,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:01:45,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:45,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:01:45,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:45,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:01:45,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:45,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 21:01:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:45,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:45,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:45,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:45,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:45,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:45,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:45,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:45,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 21:01:45,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:45,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:45,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 21:01:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:45,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:45,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:45,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:45,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:45,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:45,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:45,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:45,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:01:45,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:45,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:45,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:01:45,062 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [709253154] [2020-10-12 21:01:45,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:01:45,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-12 21:01:45,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788843741] [2020-10-12 21:01:45,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 21:01:45,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:01:45,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 21:01:45,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2020-10-12 21:01:45,067 INFO L87 Difference]: Start difference. First operand 470 states and 637 transitions. Second operand 15 states. [2020-10-12 21:01:48,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:01:48,238 INFO L93 Difference]: Finished difference Result 1794 states and 2681 transitions. [2020-10-12 21:01:48,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-12 21:01:48,239 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 79 [2020-10-12 21:01:48,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:01:48,251 INFO L225 Difference]: With dead ends: 1794 [2020-10-12 21:01:48,251 INFO L226 Difference]: Without dead ends: 1343 [2020-10-12 21:01:48,255 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 394 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=411, Invalid=1311, Unknown=0, NotChecked=0, Total=1722 [2020-10-12 21:01:48,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2020-10-12 21:01:48,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 966. [2020-10-12 21:01:48,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 966 states. [2020-10-12 21:01:48,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1298 transitions. [2020-10-12 21:01:48,409 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1298 transitions. Word has length 79 [2020-10-12 21:01:48,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:01:48,410 INFO L479 AbstractCegarLoop]: Abstraction has 966 states and 1298 transitions. [2020-10-12 21:01:48,410 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 21:01:48,410 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1298 transitions. [2020-10-12 21:01:48,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-12 21:01:48,412 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:01:48,413 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] [2020-10-12 21:01:48,413 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 21:01:48,413 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:01:48,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:01:48,413 INFO L82 PathProgramCache]: Analyzing trace with hash 851533972, now seen corresponding path program 1 times [2020-10-12 21:01:48,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:01:48,414 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [759302514] [2020-10-12 21:01:48,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:01:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:48,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:48,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:48,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:49,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:50,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:50,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-12 21:01:50,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:01:50,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2006 [2020-10-12 21:01:50,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:50,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:01:50,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 21:01:50,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-12 21:01:50,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:50,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:01:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:50,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:50,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:50,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:50,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:50,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:01:50,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:50,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:50,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:50,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:50,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:50,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:01:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:50,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:50,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:50,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:50,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:50,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:50,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:50,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:50,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:50,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:01:50,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:50,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:01:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:50,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:50,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:50,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:50,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:50,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:50,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:50,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:50,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:50,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:01:50,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:50,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 21:01:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:50,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:50,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:50,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:50,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:50,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:50,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:50,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:50,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:50,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:01:50,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:50,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:01:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:50,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:50,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:50,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:50,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:50,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:50,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:50,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:50,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:50,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:01:50,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:50,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:01:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:50,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:50,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:50,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:01:50,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:50,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:01:50,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:50,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:50,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:50,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:01:50,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:50,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:50,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:50,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:50,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:50,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:50,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:50,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:50,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:50,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:50,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:50,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:50,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:01:50,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:50,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:50,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:50,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:50,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:50,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:50,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:50,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:50,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:50,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:50,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:50,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 21:01:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:50,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:50,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:50,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:50,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:50,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:50,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:50,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:50,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:50,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:01:50,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:50,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 21:01:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:50,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:50,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:50,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:50,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:50,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:50,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:50,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:50,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:50,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:01:50,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:50,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:01:50,638 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [759302514] [2020-10-12 21:01:50,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:01:50,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-12 21:01:50,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027583829] [2020-10-12 21:01:50,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 21:01:50,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:01:50,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 21:01:50,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-12 21:01:50,640 INFO L87 Difference]: Start difference. First operand 966 states and 1298 transitions. Second operand 8 states. [2020-10-12 21:01:52,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:01:52,307 INFO L93 Difference]: Finished difference Result 2497 states and 3592 transitions. [2020-10-12 21:01:52,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 21:01:52,308 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-10-12 21:01:52,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:01:52,324 INFO L225 Difference]: With dead ends: 2497 [2020-10-12 21:01:52,325 INFO L226 Difference]: Without dead ends: 1544 [2020-10-12 21:01:52,330 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2020-10-12 21:01:52,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2020-10-12 21:01:52,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1230. [2020-10-12 21:01:52,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1230 states. [2020-10-12 21:01:52,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 1626 transitions. [2020-10-12 21:01:52,465 INFO L78 Accepts]: Start accepts. Automaton has 1230 states and 1626 transitions. Word has length 79 [2020-10-12 21:01:52,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:01:52,465 INFO L479 AbstractCegarLoop]: Abstraction has 1230 states and 1626 transitions. [2020-10-12 21:01:52,466 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 21:01:52,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1626 transitions. [2020-10-12 21:01:52,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-12 21:01:52,472 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:01:52,473 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] [2020-10-12 21:01:52,473 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 21:01:52,473 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:01:52,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:01:52,474 INFO L82 PathProgramCache]: Analyzing trace with hash 1612020735, now seen corresponding path program 1 times [2020-10-12 21:01:52,474 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:01:52,474 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [104396373] [2020-10-12 21:01:52,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:01:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:52,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:52,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:52,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:52,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:53,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:54,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:54,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-12 21:01:54,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 21:01:54,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2407 [2020-10-12 21:01:54,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:54,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 21:01:54,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 21:01:54,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-12 21:01:54,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:54,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:01:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:54,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:54,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:54,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:54,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:54,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:01:54,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:54,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:54,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:54,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:54,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:55,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:01:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:55,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:55,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:55,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:55,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:55,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:01:55,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:55,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:55,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:55,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:01:55,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:55,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:01:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:55,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:55,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:55,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:01:55,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:55,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:55,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:55,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:55,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:55,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:01:55,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:01:55,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 21:01:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:55,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:55,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:55,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:55,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:55,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:01:55,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:55,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:55,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:55,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:01:55,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:55,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:01:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:55,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:55,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:55,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:55,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:55,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:55,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:55,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:55,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:55,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:01:55,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:55,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:01:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:55,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:55,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:55,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:01:55,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:55,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:01:55,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:55,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:55,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:55,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:01:55,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:55,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:01:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:55,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:55,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:55,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:55,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:55,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:55,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:55,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:55,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:55,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:55,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:55,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:01:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:55,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:55,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:55,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:01:55,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:55,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:55,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:55,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:01:55,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:55,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:01:55,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:55,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 21:01:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:55,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:55,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:55,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:01:55,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:55,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:01:55,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:55,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:55,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:55,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:01:55,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:55,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 21:01:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:55,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:55,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:55,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:01:55,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:55,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:01:55,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:55,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:01:55,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:01:55,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:01:55,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:55,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 21:01:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:01:55,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:01:55,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:01:55,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:01:55,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:01:55,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 21:01:55,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:01:55,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:01:55,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:01:55,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:01:55,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:01:55,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:01:55,279 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [104396373] [2020-10-12 21:01:55,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:01:55,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:01:55,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172604784] [2020-10-12 21:01:55,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:01:55,280 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:01:55,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:01:55,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:01:55,281 INFO L87 Difference]: Start difference. First operand 1230 states and 1626 transitions. Second operand 13 states. [2020-10-12 21:02:00,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:02:00,589 INFO L93 Difference]: Finished difference Result 3047 states and 4492 transitions. [2020-10-12 21:02:00,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-10-12 21:02:00,590 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 88 [2020-10-12 21:02:00,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:02:00,634 INFO L225 Difference]: With dead ends: 3047 [2020-10-12 21:02:00,634 INFO L226 Difference]: Without dead ends: 3044 [2020-10-12 21:02:00,637 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1115 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=645, Invalid=3015, Unknown=0, NotChecked=0, Total=3660 [2020-10-12 21:02:00,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3044 states. [2020-10-12 21:02:00,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3044 to 2410. [2020-10-12 21:02:00,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2410 states. [2020-10-12 21:02:00,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2410 states and 3316 transitions. [2020-10-12 21:02:00,837 INFO L78 Accepts]: Start accepts. Automaton has 2410 states and 3316 transitions. Word has length 88 [2020-10-12 21:02:00,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:02:00,838 INFO L479 AbstractCegarLoop]: Abstraction has 2410 states and 3316 transitions. [2020-10-12 21:02:00,838 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:02:00,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states and 3316 transitions. [2020-10-12 21:02:00,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-12 21:02:00,839 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:02:00,840 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:02:00,840 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 21:02:00,840 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:02:00,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:02:00,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1849063302, now seen corresponding path program 1 times [2020-10-12 21:02:00,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:02:00,841 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1066493224] [2020-10-12 21:02:00,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:02:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:00,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:00,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:01,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:03,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:03,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-12 21:02:03,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 21:02:03,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2921 [2020-10-12 21:02:03,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:03,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:02:03,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 21:02:03,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 21:02:03,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:03,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:02:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:03,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:03,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:03,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:03,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:03,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:02:03,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:03,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:03,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:03,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:03,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:03,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:02:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:03,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:03,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:03,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:03,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:03,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:03,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:03,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:03,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:03,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:02:03,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:03,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:02:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:03,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:03,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:03,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:03,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:03,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:03,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:03,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:03,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:03,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:02:03,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:03,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 21:02:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:03,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:03,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:03,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:03,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:03,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:03,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:03,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:03,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:03,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:02:03,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:03,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:02:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:03,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:03,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:03,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:03,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:03,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:03,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:03,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:03,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:03,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:02:03,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:03,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:02:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:03,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:03,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:03,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:02:03,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:03,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:02:03,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:03,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:03,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:03,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:02:03,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:03,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:03,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:03,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:03,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:03,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:03,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:03,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:03,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:03,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:03,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:03,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:03,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:03,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:03,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:03,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:03,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:03,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:03,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:03,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:03,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:03,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:03,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:03,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 21:02:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:03,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:03,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:03,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:03,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:03,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:03,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:03,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:03,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:03,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:02:03,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:03,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 21:02:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:03,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:03,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:03,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:03,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:03,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:03,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:03,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:03,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:03,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:02:03,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:03,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 21:02:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:03,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:03,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:03,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:03,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:03,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 21:02:03,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:02:03,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 21:02:03,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:03,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:02:03,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:03,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:02:03,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:04,012 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-12 21:02:04,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1066493224] [2020-10-12 21:02:04,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:02:04,013 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 21:02:04,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042233815] [2020-10-12 21:02:04,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 21:02:04,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:02:04,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 21:02:04,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-12 21:02:04,014 INFO L87 Difference]: Start difference. First operand 2410 states and 3316 transitions. Second operand 11 states. [2020-10-12 21:02:06,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:02:06,840 INFO L93 Difference]: Finished difference Result 5970 states and 8654 transitions. [2020-10-12 21:02:06,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-12 21:02:06,841 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 91 [2020-10-12 21:02:06,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:02:06,868 INFO L225 Difference]: With dead ends: 5970 [2020-10-12 21:02:06,869 INFO L226 Difference]: Without dead ends: 3580 [2020-10-12 21:02:06,881 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=302, Invalid=958, Unknown=0, NotChecked=0, Total=1260 [2020-10-12 21:02:06,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3580 states. [2020-10-12 21:02:07,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3580 to 2680. [2020-10-12 21:02:07,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2680 states. [2020-10-12 21:02:07,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2680 states to 2680 states and 3774 transitions. [2020-10-12 21:02:07,153 INFO L78 Accepts]: Start accepts. Automaton has 2680 states and 3774 transitions. Word has length 91 [2020-10-12 21:02:07,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:02:07,154 INFO L479 AbstractCegarLoop]: Abstraction has 2680 states and 3774 transitions. [2020-10-12 21:02:07,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 21:02:07,155 INFO L276 IsEmpty]: Start isEmpty. Operand 2680 states and 3774 transitions. [2020-10-12 21:02:07,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-12 21:02:07,157 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:02:07,157 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-10-12 21:02:07,157 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 21:02:07,158 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:02:07,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:02:07,158 INFO L82 PathProgramCache]: Analyzing trace with hash 51204041, now seen corresponding path program 1 times [2020-10-12 21:02:07,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:02:07,159 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2102260614] [2020-10-12 21:02:07,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:02:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-12 21:02:07,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:02:07,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 369 [2020-10-12 21:02:07,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:02:07,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 21:02:07,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 21:02:07,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:07,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:02:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:07,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:07,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:07,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:07,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:07,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:02:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:07,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:02:07,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:07,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:07,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:02:07,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:07,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:02:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:07,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:02:07,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:02:07,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:07,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:02:07,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:07,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 21:02:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:07,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:07,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:07,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:07,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:02:07,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:07,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:02:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:07,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:07,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:02:07,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:07,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:02:07,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:02:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:02:07,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:02:07,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:07,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-12 21:02:07,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:07,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:07,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:07,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:07,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:07,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:07,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:07,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:07,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:07,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:07,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:07,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 49 [2020-10-12 21:02:07,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 21:02:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:07,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:07,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:07,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 21:02:07,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:07,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 21:02:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:07,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:07,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:07,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:07,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:02:07,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:07,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 21:02:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:07,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:07,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:07,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 21:02:07,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:02:07,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:02:07,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:07,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:07,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:02:07,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 21:02:07,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:07,912 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:02:07,912 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2102260614] [2020-10-12 21:02:07,913 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:02:07,913 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-12 21:02:07,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838314875] [2020-10-12 21:02:07,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 21:02:07,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:02:07,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 21:02:07,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-12 21:02:07,918 INFO L87 Difference]: Start difference. First operand 2680 states and 3774 transitions. Second operand 12 states. [2020-10-12 21:02:11,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:02:11,643 INFO L93 Difference]: Finished difference Result 6382 states and 9609 transitions. [2020-10-12 21:02:11,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-12 21:02:11,644 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 92 [2020-10-12 21:02:11,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:02:11,665 INFO L225 Difference]: With dead ends: 6382 [2020-10-12 21:02:11,665 INFO L226 Difference]: Without dead ends: 3721 [2020-10-12 21:02:11,684 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 565 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=424, Invalid=1646, Unknown=0, NotChecked=0, Total=2070 [2020-10-12 21:02:11,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3721 states. [2020-10-12 21:02:11,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3721 to 3314. [2020-10-12 21:02:11,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3314 states. [2020-10-12 21:02:11,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3314 states to 3314 states and 4456 transitions. [2020-10-12 21:02:11,957 INFO L78 Accepts]: Start accepts. Automaton has 3314 states and 4456 transitions. Word has length 92 [2020-10-12 21:02:11,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:02:11,957 INFO L479 AbstractCegarLoop]: Abstraction has 3314 states and 4456 transitions. [2020-10-12 21:02:11,957 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 21:02:11,957 INFO L276 IsEmpty]: Start isEmpty. Operand 3314 states and 4456 transitions. [2020-10-12 21:02:11,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-10-12 21:02:11,962 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:02:11,962 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 21:02:11,962 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 21:02:11,963 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:02:11,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:02:11,964 INFO L82 PathProgramCache]: Analyzing trace with hash -130746885, now seen corresponding path program 1 times [2020-10-12 21:02:11,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:02:11,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1101024141] [2020-10-12 21:02:11,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:02:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:11,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:12,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:12,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:12,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:12,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:12,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:12,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:12,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:12,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-12 21:02:12,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:02:12,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 423 [2020-10-12 21:02:12,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:12,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:02:12,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-12 21:02:12,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-12 21:02:12,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:12,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:02:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:12,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:12,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:12,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:12,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:12,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:12,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:12,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:12,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:12,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:12,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:12,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:02:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:12,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:12,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:12,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:12,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:12,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:12,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:12,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:12,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:12,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:12,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:12,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:02:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:12,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:12,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:12,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:12,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:12,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:12,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:12,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:12,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:12,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:12,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:12,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 21:02:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:12,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:12,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:12,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:12,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:12,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:12,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:12,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:12,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:12,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:02:12,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:12,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:02:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:12,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:12,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:12,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:12,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:12,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:12,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:12,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:12,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:12,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:02:12,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:12,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:02:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:12,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:12,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:12,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:02:12,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:12,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:02:12,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:12,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:02:12,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:12,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-12 21:02:12,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:12,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:12,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:12,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:12,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:12,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:12,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:12,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:12,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:12,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:12,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:02:12,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:12,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:12,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:12,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:12,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:12,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:12,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:12,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:12,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:12,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:12,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:02:12,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:12,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 21:02:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:12,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:12,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:12,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:12,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:12,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:12,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:12,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:12,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:12,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:02:12,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:12,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 21:02:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:12,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:12,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:12,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:12,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:12,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:02:12,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:02:12,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:12,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:12,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:12,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 21:02:12,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:12,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 21:02:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:12,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:12,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:12,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:12,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:12,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:02:12,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:12,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:12,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:12,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:02:12,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:12,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 21:02:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:12,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:12,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:12,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:12,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:12,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:02:12,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:12,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:12,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:12,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:12,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:02:12,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:12,830 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-12 21:02:12,831 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1101024141] [2020-10-12 21:02:12,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:02:12,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 21:02:12,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110342710] [2020-10-12 21:02:12,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:02:12,832 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:02:12,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:02:12,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:02:12,833 INFO L87 Difference]: Start difference. First operand 3314 states and 4456 transitions. Second operand 10 states. [2020-10-12 21:02:16,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:02:16,359 INFO L93 Difference]: Finished difference Result 10452 states and 15948 transitions. [2020-10-12 21:02:16,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-12 21:02:16,359 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 98 [2020-10-12 21:02:16,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:02:16,403 INFO L225 Difference]: With dead ends: 10452 [2020-10-12 21:02:16,404 INFO L226 Difference]: Without dead ends: 7167 [2020-10-12 21:02:16,428 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=222, Invalid=708, Unknown=0, NotChecked=0, Total=930 [2020-10-12 21:02:16,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7167 states. [2020-10-12 21:02:16,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7167 to 6284. [2020-10-12 21:02:16,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6284 states. [2020-10-12 21:02:16,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6284 states to 6284 states and 8591 transitions. [2020-10-12 21:02:16,970 INFO L78 Accepts]: Start accepts. Automaton has 6284 states and 8591 transitions. Word has length 98 [2020-10-12 21:02:16,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:02:16,970 INFO L479 AbstractCegarLoop]: Abstraction has 6284 states and 8591 transitions. [2020-10-12 21:02:16,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:02:16,970 INFO L276 IsEmpty]: Start isEmpty. Operand 6284 states and 8591 transitions. [2020-10-12 21:02:16,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-10-12 21:02:16,973 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:02:16,974 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 21:02:16,974 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 21:02:16,974 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:02:16,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:02:16,974 INFO L82 PathProgramCache]: Analyzing trace with hash -851936585, now seen corresponding path program 1 times [2020-10-12 21:02:16,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:02:16,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [79932546] [2020-10-12 21:02:16,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:02:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:16,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:17,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:17,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-12 21:02:17,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:17,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-12 21:02:17,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:17,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:17,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-12 21:02:17,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:02:17,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:17,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:02:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:17,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:17,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:17,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:17,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:17,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:17,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:17,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:17,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:17,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:17,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:17,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:02:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:17,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:17,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:17,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:17,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:17,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:17,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:17,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:17,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:17,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:17,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:17,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:02:17,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:17,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:17,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:17,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:17,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:17,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:17,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:17,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:17,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:17,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:17,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:17,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 21:02:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:17,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:17,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:17,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:17,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:17,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:17,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:17,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:17,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:17,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:17,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:17,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:02:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:17,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:17,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:17,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:17,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:17,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:17,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:17,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:17,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:17,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:17,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:17,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:02:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:17,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:17,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:17,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:02:17,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:17,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:17,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:17,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:17,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:17,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:17,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:17,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:17,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:17,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:17,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:17,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:17,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:17,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:17,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:17,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:17,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:17,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:17,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:17,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:17,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:17,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:17,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:17,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:17,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:17,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:17,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:17,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:17,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:17,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 21:02:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:17,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:17,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:17,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:17,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:17,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:17,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:17,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:17,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:17,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:17,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:17,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 21:02:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:17,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:17,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:17,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:17,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:17,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:17,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:17,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:17,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:17,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:17,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:17,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 21:02:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:17,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:17,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:17,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:17,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:17,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:02:17,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:17,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:17,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:17,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:02:17,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:17,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 21:02:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:17,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:17,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:17,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:17,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:17,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:17,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:17,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:17,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:17,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:02:17,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:02:17,281 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-12 21:02:17,288 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [79932546] [2020-10-12 21:02:17,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:02:17,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:02:17,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758674225] [2020-10-12 21:02:17,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:02:17,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:02:17,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:02:17,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:02:17,291 INFO L87 Difference]: Start difference. First operand 6284 states and 8591 transitions. Second operand 9 states. [2020-10-12 21:02:19,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:02:19,972 INFO L93 Difference]: Finished difference Result 17345 states and 24929 transitions. [2020-10-12 21:02:19,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-12 21:02:19,972 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 100 [2020-10-12 21:02:19,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:02:20,016 INFO L225 Difference]: With dead ends: 17345 [2020-10-12 21:02:20,017 INFO L226 Difference]: Without dead ends: 8940 [2020-10-12 21:02:20,056 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2020-10-12 21:02:20,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8940 states. [2020-10-12 21:02:20,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8940 to 8442. [2020-10-12 21:02:20,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8442 states. [2020-10-12 21:02:20,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8442 states to 8442 states and 11168 transitions. [2020-10-12 21:02:20,580 INFO L78 Accepts]: Start accepts. Automaton has 8442 states and 11168 transitions. Word has length 100 [2020-10-12 21:02:20,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:02:20,581 INFO L479 AbstractCegarLoop]: Abstraction has 8442 states and 11168 transitions. [2020-10-12 21:02:20,581 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:02:20,581 INFO L276 IsEmpty]: Start isEmpty. Operand 8442 states and 11168 transitions. [2020-10-12 21:02:20,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-12 21:02:20,584 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:02:20,584 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-10-12 21:02:20,585 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 21:02:20,585 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:02:20,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:02:20,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1696677489, now seen corresponding path program 1 times [2020-10-12 21:02:20,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:02:20,586 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [154131483] [2020-10-12 21:02:20,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:02:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:20,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:20,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:20,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:20,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:20,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:20,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-12 21:02:20,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:02:20,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 334 [2020-10-12 21:02:20,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:20,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:02:20,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-12 21:02:20,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-12 21:02:20,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:20,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:02:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:21,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:21,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:21,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:21,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:21,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:21,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:21,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:21,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:21,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:21,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:21,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:02:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:21,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:21,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:21,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:21,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:21,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:21,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:21,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:21,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:21,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:21,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:21,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:02:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:21,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:21,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:21,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:21,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:21,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:21,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:21,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:21,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:21,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:21,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:21,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 21:02:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:21,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:21,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:21,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:21,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:21,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:21,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:21,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:21,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:21,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 21:02:21,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:21,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:02:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:21,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:21,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:21,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:21,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:21,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:21,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:21,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:21,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:21,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:02:21,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:21,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:02:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:21,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:21,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:21,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:02:21,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:21,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:02:21,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:21,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:02:21,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:21,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-12 21:02:21,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:21,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:21,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:21,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:21,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:21,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:21,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:21,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:21,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:21,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:21,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:21,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:02:21,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:21,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:21,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:21,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:21,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:21,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:21,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:21,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:21,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:21,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:21,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:02:21,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:21,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 21:02:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:21,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:21,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:21,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:21,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:21,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:21,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:21,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:21,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:21,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:02:21,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:21,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 21:02:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:21,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:21,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:21,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:21,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:21,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:02:21,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:21,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:21,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:21,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:02:21,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:21,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 21:02:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:21,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:21,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:21,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:02:21,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:21,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:02:21,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:21,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:21,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:21,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 21:02:21,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:21,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 21:02:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:21,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:21,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:21,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:21,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:21,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:21,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:21,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:21,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:02:21,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:21,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:21,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 21:02:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:21,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:21,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:21,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:21,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:21,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:21,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:21,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:21,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 21:02:21,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:21,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:21,359 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-12 21:02:21,360 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [154131483] [2020-10-12 21:02:21,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:02:21,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:02:21,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135641653] [2020-10-12 21:02:21,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:02:21,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:02:21,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:02:21,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:02:21,362 INFO L87 Difference]: Start difference. First operand 8442 states and 11168 transitions. Second operand 10 states. [2020-10-12 21:02:23,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:02:23,900 INFO L93 Difference]: Finished difference Result 17543 states and 24182 transitions. [2020-10-12 21:02:23,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-12 21:02:23,900 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 109 [2020-10-12 21:02:23,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:02:23,941 INFO L225 Difference]: With dead ends: 17543 [2020-10-12 21:02:23,941 INFO L226 Difference]: Without dead ends: 9142 [2020-10-12 21:02:23,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2020-10-12 21:02:23,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9142 states. [2020-10-12 21:02:24,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9142 to 8648. [2020-10-12 21:02:24,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8648 states. [2020-10-12 21:02:24,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8648 states to 8648 states and 11311 transitions. [2020-10-12 21:02:24,493 INFO L78 Accepts]: Start accepts. Automaton has 8648 states and 11311 transitions. Word has length 109 [2020-10-12 21:02:24,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:02:24,494 INFO L479 AbstractCegarLoop]: Abstraction has 8648 states and 11311 transitions. [2020-10-12 21:02:24,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:02:24,494 INFO L276 IsEmpty]: Start isEmpty. Operand 8648 states and 11311 transitions. [2020-10-12 21:02:24,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-12 21:02:24,497 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:02:24,497 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-10-12 21:02:24,497 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 21:02:24,497 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:02:24,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:02:24,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1692518472, now seen corresponding path program 1 times [2020-10-12 21:02:24,498 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:02:24,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [528480952] [2020-10-12 21:02:24,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:02:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:24,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:24,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:24,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:24,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-12 21:02:24,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:02:24,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-12 21:02:24,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:24,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:24,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-12 21:02:24,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:02:24,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:24,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:02:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:24,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:24,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:24,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:24,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:24,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:02:24,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:24,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:24,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:24,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:24,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:24,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:02:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:24,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:24,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:24,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:24,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:24,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:24,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:24,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:24,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:24,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:24,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:24,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:02:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:24,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:24,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:24,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:24,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:24,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:24,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:24,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:24,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:24,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:24,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:24,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 21:02:24,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:24,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:24,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:24,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:24,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:24,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:24,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:24,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:24,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:24,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:24,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:24,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:02:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:24,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:24,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:24,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:24,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:24,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:24,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:24,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:24,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:24,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:24,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:24,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:02:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:24,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:24,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:24,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:02:24,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:24,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:24,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:24,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:24,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:24,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:24,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:24,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:24,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:24,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:24,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:24,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:24,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:24,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:24,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:24,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:24,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:24,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:24,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:24,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:24,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:24,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:24,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:24,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:24,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:24,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:24,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:24,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:24,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:24,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 21:02:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:24,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:24,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:24,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:24,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:24,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:24,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:24,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:24,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:24,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:24,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:24,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 21:02:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:24,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:24,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:24,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:24,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:24,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:24,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:24,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:24,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:24,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:24,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:24,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 21:02:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:24,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:24,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:24,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:02:24,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:24,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:24,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:24,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:24,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:24,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:02:24,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:24,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 21:02:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:24,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:24,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:24,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:24,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:24,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:02:24,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:24,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:24,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:24,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:24,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:02:24,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:24,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 21:02:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:24,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:24,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:24,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:24,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:24,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:24,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:24,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:24,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 21:02:24,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:24,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:24,783 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-12 21:02:24,784 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [528480952] [2020-10-12 21:02:24,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:02:24,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-12 21:02:24,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408668519] [2020-10-12 21:02:24,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:02:24,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:02:24,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:02:24,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:02:24,785 INFO L87 Difference]: Start difference. First operand 8648 states and 11311 transitions. Second operand 9 states. [2020-10-12 21:02:27,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:02:27,445 INFO L93 Difference]: Finished difference Result 16234 states and 21332 transitions. [2020-10-12 21:02:27,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-12 21:02:27,445 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 110 [2020-10-12 21:02:27,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:02:27,473 INFO L225 Difference]: With dead ends: 16234 [2020-10-12 21:02:27,474 INFO L226 Difference]: Without dead ends: 7585 [2020-10-12 21:02:27,499 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2020-10-12 21:02:27,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7585 states. [2020-10-12 21:02:28,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7585 to 7262. [2020-10-12 21:02:28,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7262 states. [2020-10-12 21:02:28,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7262 states to 7262 states and 8562 transitions. [2020-10-12 21:02:28,035 INFO L78 Accepts]: Start accepts. Automaton has 7262 states and 8562 transitions. Word has length 110 [2020-10-12 21:02:28,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:02:28,035 INFO L479 AbstractCegarLoop]: Abstraction has 7262 states and 8562 transitions. [2020-10-12 21:02:28,035 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:02:28,035 INFO L276 IsEmpty]: Start isEmpty. Operand 7262 states and 8562 transitions. [2020-10-12 21:02:28,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-12 21:02:28,043 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:02:28,044 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 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] [2020-10-12 21:02:28,044 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 21:02:28,044 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:02:28,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:02:28,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1647622924, now seen corresponding path program 1 times [2020-10-12 21:02:28,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:02:28,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [676781272] [2020-10-12 21:02:28,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:02:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:28,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:28,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:28,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:28,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:28,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:33,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:33,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-12 21:02:33,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 21:02:33,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-12 21:02:33,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:33,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:02:33,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:02:33,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 21:02:33,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:33,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:02:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:33,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:33,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:33,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:33,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:33,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:02:33,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:33,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:33,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:33,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:02:33,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:33,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:02:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:33,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:33,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:33,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:33,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:33,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:33,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:33,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:33,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:33,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:02:33,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:33,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:02:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:33,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:33,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:33,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 21:02:33,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:33,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:02:33,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:33,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:02:33,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:33,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:02:33,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:33,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:33,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:33,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:33,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:33,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:33,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:33,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:33,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:33,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:33,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:02:33,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:33,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 21:02:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:33,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:33,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:33,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:33,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:33,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:33,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:33,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:33,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 21:02:33,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:33,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:33,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 21:02:33,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:33,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:33,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:33,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:33,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:33,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:33,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:33,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:33,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 21:02:33,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:33,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:33,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 21:02:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:33,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:33,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:33,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:02:33,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:33,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:33,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:33,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:33,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-12 21:02:33,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:33,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:33,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:33,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:33,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:33,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:33,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:33,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:33,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:33,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:33,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:33,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:33,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:33,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:33,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:33,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:33,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:33,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:33,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:33,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:33,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:33,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:33,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:33,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:33,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 21:02:33,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:33,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:33,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:33,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:33,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:33,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:33,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:33,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:33,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 21:02:33,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:33,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:33,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 21:02:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:33,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:33,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:33,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:33,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 21:02:33,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:02:33,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 21:02:33,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:33,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:02:33,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-12 21:02:33,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:02:33,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:33,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:02:33,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:33,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:33,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:33,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:33,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:33,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:33,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:33,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:33,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:33,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:33,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:33,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:02:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:33,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:33,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:33,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:02:33,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:33,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:33,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:33,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:33,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:33,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:33,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:33,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 21:02:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:33,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:33,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:33,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:33,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:33,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:02:33,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:33,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:02:33,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:33,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:02:33,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:33,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-12 21:02:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:33,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:33,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:33,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:33,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:33,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:33,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:33,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:33,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:02:33,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:33,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:33,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 21:02:33,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:33,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:33,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:33,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:33,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:33,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:33,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:33,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:33,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 21:02:33,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:33,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:33,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 21:02:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:33,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:33,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:33,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:02:33,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:33,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:33,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:33,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:33,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-12 21:02:33,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:33,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:33,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:33,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:33,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:33,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:33,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:33,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:33,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:33,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:33,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:33,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:33,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:33,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:33,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:33,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:33,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:33,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:33,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:33,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:33,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:33,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:33,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:33,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:33,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:33,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 21:02:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:33,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:33,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:33,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:33,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:33,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:33,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:33,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:33,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 21:02:33,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:33,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:33,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 21:02:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:33,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:33,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:33,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:02:33,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:33,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:33,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:33,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:33,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 21:02:33,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:33,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:33,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:33,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:33,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:33,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:33,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:33,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:33,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:33,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:33,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:33,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:33,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:33,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 21:02:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:33,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:33,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:33,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:33,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:33,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:33,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:33,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:33,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:02:33,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:33,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:33,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-12 21:02:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:33,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:33,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:33,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:33,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:33,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:33,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:33,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:33,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 21:02:33,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:33,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:33,463 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-10-12 21:02:33,464 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [676781272] [2020-10-12 21:02:33,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:02:33,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-12 21:02:33,464 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443568576] [2020-10-12 21:02:33,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 21:02:33,465 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:02:33,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 21:02:33,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-10-12 21:02:33,465 INFO L87 Difference]: Start difference. First operand 7262 states and 8562 transitions. Second operand 15 states. [2020-10-12 21:02:36,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:02:36,883 INFO L93 Difference]: Finished difference Result 12253 states and 14689 transitions. [2020-10-12 21:02:36,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-10-12 21:02:36,883 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 185 [2020-10-12 21:02:36,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:02:36,904 INFO L225 Difference]: With dead ends: 12253 [2020-10-12 21:02:36,904 INFO L226 Difference]: Without dead ends: 4765 [2020-10-12 21:02:36,917 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 770 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=552, Invalid=2204, Unknown=0, NotChecked=0, Total=2756 [2020-10-12 21:02:36,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4765 states. [2020-10-12 21:02:37,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4765 to 3928. [2020-10-12 21:02:37,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3928 states. [2020-10-12 21:02:37,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3928 states to 3928 states and 4580 transitions. [2020-10-12 21:02:37,236 INFO L78 Accepts]: Start accepts. Automaton has 3928 states and 4580 transitions. Word has length 185 [2020-10-12 21:02:37,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:02:37,236 INFO L479 AbstractCegarLoop]: Abstraction has 3928 states and 4580 transitions. [2020-10-12 21:02:37,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 21:02:37,237 INFO L276 IsEmpty]: Start isEmpty. Operand 3928 states and 4580 transitions. [2020-10-12 21:02:37,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-10-12 21:02:37,252 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:02:37,253 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 5, 5, 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, 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] [2020-10-12 21:02:37,253 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 21:02:37,253 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:02:37,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:02:37,254 INFO L82 PathProgramCache]: Analyzing trace with hash -266074780, now seen corresponding path program 1 times [2020-10-12 21:02:37,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:02:37,255 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1690380374] [2020-10-12 21:02:37,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:02:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:37,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:37,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:37,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:37,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:38,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:38,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:39,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:40,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:40,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:42,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:42,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 370 [2020-10-12 21:02:42,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 21:02:42,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-12 21:02:42,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:42,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-12 21:02:42,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 21:02:42,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 351 [2020-10-12 21:02:42,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:42,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:02:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:42,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:42,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:42,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:42,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:42,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:42,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:42,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:42,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:42,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:42,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:42,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:02:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:42,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:42,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:42,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:42,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:42,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:42,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:42,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:42,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:42,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:02:42,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:42,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:02:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:42,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:42,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:42,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:42,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:42,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:42,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:42,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:42,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:42,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:02:42,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:42,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 21:02:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:42,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:42,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:42,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:42,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:42,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:42,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:42,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:42,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:42,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:02:42,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:42,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:02:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:42,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:42,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:42,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:42,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:42,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:42,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:42,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:42,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:42,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:02:42,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:42,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:02:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:42,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:42,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:42,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:02:42,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:42,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:02:42,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:42,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:42,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:42,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:02:42,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:42,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:42,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:42,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:42,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:42,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:42,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:42,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:42,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:42,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:42,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:42,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:42,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:42,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:42,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:42,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:42,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:42,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:42,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:42,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:42,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:42,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:42,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:42,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 21:02:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:42,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:42,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:42,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:42,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:42,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:42,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:42,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:42,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:42,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:02:42,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:42,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:02:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:42,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:42,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:42,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:42,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:42,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-12 21:02:42,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:02:42,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-10-12 21:02:42,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:42,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:02:42,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:42,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-12 21:02:42,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:42,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:02:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:42,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:42,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:42,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:42,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:42,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:42,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:42,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:42,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:42,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:02:42,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:42,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:02:42,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:42,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:42,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:42,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:02:42,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:42,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:02:42,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:42,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:02:42,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:42,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 21:02:42,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:42,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:02:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:42,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:43,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:43,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 21:02:43,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:43,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:02:43,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:43,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:02:43,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:43,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:02:43,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:43,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 21:02:43,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:43,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:43,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:43,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:43,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:43,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:43,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:43,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:43,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:43,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:02:43,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:43,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 21:02:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:43,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:43,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:43,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 21:02:43,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:43,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:43,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:43,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:43,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:43,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 21:02:43,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:43,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:43,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:43,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:43,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:43,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:43,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:43,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:43,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:43,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:43,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:43,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:43,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 21:02:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:43,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:43,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:43,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:43,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:43,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:43,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:43,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:43,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:43,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:02:43,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:43,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 21:02:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:43,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:43,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:43,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:02:43,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:43,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:02:43,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:43,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:43,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:43,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:02:43,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:43,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:43,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:43,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:43,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:43,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:43,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:43,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:43,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:43,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:43,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:43,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:43,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:43,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:43,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:43,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:43,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:43,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:43,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:02:43,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:43,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:43,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:43,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:43,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:43,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 21:02:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:43,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:43,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:43,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:43,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:43,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:43,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:43,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:43,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:43,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:02:43,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:43,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 21:02:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:43,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:43,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:43,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:02:43,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:43,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:02:43,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:43,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:43,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:43,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:02:43,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:43,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:43,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:43,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:43,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:43,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:43,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:43,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:43,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:43,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:43,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:43,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:43,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-12 21:02:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:43,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:43,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:43,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-12 21:02:43,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:43,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-12 21:02:43,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:43,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 21:02:43,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:43,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 21:02:43,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:43,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:02:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:43,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:43,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:43,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:43,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:43,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:43,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:43,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:43,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:43,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:02:43,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:43,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:02:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:43,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:43,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:43,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:43,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:43,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 21:02:43,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:43,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:02:43,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:43,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:02:43,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:43,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 21:02:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:43,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:43,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:43,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:43,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:43,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:02:43,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:43,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:43,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:43,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:02:43,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:43,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-12 21:02:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:43,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:43,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:43,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 21:02:43,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:43,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:02:43,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:43,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:43,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:43,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 21:02:43,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:43,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:43,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:43,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:43,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:43,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:43,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:43,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:43,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:43,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:43,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:43,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:43,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-12 21:02:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:43,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:43,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:43,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:43,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:43,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:43,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:43,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:43,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:43,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:02:43,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:43,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-12 21:02:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:43,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:43,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:43,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:02:43,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:43,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:02:43,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:43,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:43,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:43,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:02:43,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:43,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:43,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:43,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:43,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:43,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:43,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:43,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:43,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:43,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:43,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:43,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:43,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:43,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:43,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:43,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:43,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:43,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:43,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:43,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:43,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:43,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:43,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:43,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-12 21:02:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:43,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:43,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:43,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:43,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:43,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:43,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:43,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:43,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:43,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:02:43,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:43,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-10-12 21:02:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:43,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:43,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:43,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:02:43,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:43,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:43,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:43,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:43,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:43,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:02:43,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:43,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:43,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:43,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:43,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:43,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:43,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:43,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:43,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:43,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:43,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:43,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:43,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-10-12 21:02:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:43,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:43,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:43,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:43,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:43,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:43,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:43,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:43,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:43,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:02:43,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:43,464 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2020-10-12 21:02:43,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1690380374] [2020-10-12 21:02:43,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:02:43,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-12 21:02:43,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025668827] [2020-10-12 21:02:43,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-12 21:02:43,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:02:43,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-12 21:02:43,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=388, Unknown=0, NotChecked=0, Total=462 [2020-10-12 21:02:43,467 INFO L87 Difference]: Start difference. First operand 3928 states and 4580 transitions. Second operand 22 states. [2020-10-12 21:02:50,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:02:50,713 INFO L93 Difference]: Finished difference Result 9387 states and 11210 transitions. [2020-10-12 21:02:50,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-10-12 21:02:50,713 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 284 [2020-10-12 21:02:50,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:02:50,769 INFO L225 Difference]: With dead ends: 9387 [2020-10-12 21:02:50,769 INFO L226 Difference]: Without dead ends: 5858 [2020-10-12 21:02:50,798 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 80 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1186 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=670, Invalid=3886, Unknown=0, NotChecked=0, Total=4556 [2020-10-12 21:02:50,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5858 states. [2020-10-12 21:02:51,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5858 to 5227. [2020-10-12 21:02:51,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5227 states. [2020-10-12 21:02:51,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5227 states to 5227 states and 6088 transitions. [2020-10-12 21:02:51,371 INFO L78 Accepts]: Start accepts. Automaton has 5227 states and 6088 transitions. Word has length 284 [2020-10-12 21:02:51,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:02:51,372 INFO L479 AbstractCegarLoop]: Abstraction has 5227 states and 6088 transitions. [2020-10-12 21:02:51,372 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-12 21:02:51,372 INFO L276 IsEmpty]: Start isEmpty. Operand 5227 states and 6088 transitions. [2020-10-12 21:02:51,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-10-12 21:02:51,383 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:02:51,384 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 5, 5, 4, 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, 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] [2020-10-12 21:02:51,384 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 21:02:51,384 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:02:51,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:02:51,384 INFO L82 PathProgramCache]: Analyzing trace with hash -2007472993, now seen corresponding path program 1 times [2020-10-12 21:02:51,385 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:02:51,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1401600152] [2020-10-12 21:02:51,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:02:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:51,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:51,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:51,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:51,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:52,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:52,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:54,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:55,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:55,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 380 [2020-10-12 21:02:55,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:02:55,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4329 [2020-10-12 21:02:55,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:55,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:02:55,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169 [2020-10-12 21:02:55,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-12 21:02:55,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:55,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:02:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:55,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:55,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:55,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:55,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:55,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:55,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:55,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:55,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:55,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:55,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:55,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:02:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:55,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:55,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:55,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:55,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:55,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:55,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:55,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:55,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:55,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:55,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:55,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:02:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:55,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:55,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:55,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:02:55,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:55,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:55,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:55,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:55,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:55,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:55,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:55,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 21:02:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:55,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:55,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:55,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:55,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:55,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:55,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:55,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:55,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:55,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:55,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:55,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:02:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:55,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:55,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:55,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:55,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:55,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:55,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:55,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:55,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:55,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:55,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:55,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:02:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:55,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:55,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:55,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:02:55,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:55,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:55,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:55,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:55,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:55,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:55,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:55,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:55,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:55,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:55,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:55,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:55,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:55,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:55,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:55,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:55,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:55,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:55,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:55,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:55,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:55,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:55,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:55,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:55,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:55,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:55,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:55,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:55,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:55,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 21:02:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:55,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:55,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:55,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:55,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:55,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:55,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:55,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:55,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:55,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:55,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:55,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:02:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:55,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:55,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:55,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-12 21:02:55,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:55,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:02:55,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:55,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:55,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:55,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:55,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:55,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:02:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:55,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:55,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:55,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:55,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:55,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:55,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:55,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:55,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:55,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:55,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:55,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:02:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:55,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:55,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:55,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:02:55,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:55,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:55,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:55,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:55,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:55,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:55,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:55,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:02:55,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:55,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:56,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:56,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 21:02:56,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:56,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:56,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:56,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:56,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:56,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:56,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:56,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 21:02:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:56,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:56,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:56,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:56,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:56,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:56,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:56,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:56,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:56,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:56,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:56,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 21:02:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:56,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:56,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:56,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 21:02:56,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:56,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:56,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:56,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:56,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:56,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:56,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:56,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:56,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:56,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:56,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:56,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:56,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:56,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:56,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:56,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:56,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:56,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:56,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 21:02:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:56,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:56,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:56,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:56,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:56,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:56,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:56,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:56,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:56,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:56,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:56,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 21:02:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:56,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:56,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:56,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:02:56,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:56,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:56,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:56,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:56,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:56,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:02:56,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:56,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:56,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:56,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:56,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:56,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:56,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:56,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:56,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:56,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:56,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:02:56,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:56,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:56,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:56,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:56,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:56,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:56,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:56,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:56,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:56,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:56,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:02:56,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:56,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 21:02:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:56,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:56,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:56,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:56,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:56,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:56,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:56,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:02:56,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:56,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:02:56,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:56,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 21:02:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:56,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:56,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:56,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:02:56,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:56,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:56,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:56,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:56,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:56,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:02:56,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:56,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:56,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:56,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:56,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:56,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:56,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:56,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:56,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:56,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:56,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:56,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:56,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-12 21:02:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:56,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:56,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:56,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-12 21:02:56,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:56,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:02:56,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:56,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:02:56,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:56,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 21:02:56,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:56,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:02:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:56,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:56,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:56,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:56,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:56,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:56,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:56,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:56,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:56,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:56,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:56,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:02:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:56,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:56,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:56,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:56,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:56,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:56,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:56,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:56,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:56,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:56,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:56,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 21:02:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:56,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:56,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:56,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:56,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:56,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:56,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:56,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:56,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:56,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:56,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:56,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-12 21:02:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:56,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:56,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:56,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 21:02:56,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:56,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:02:56,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:56,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:02:56,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:56,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:02:56,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:56,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:56,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:56,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:56,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:56,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:56,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:02:56,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:56,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:02:56,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:56,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 21:02:56,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:56,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-12 21:02:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:56,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:56,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:56,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:56,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:56,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:56,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:56,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:02:56,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:02:56,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:02:56,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:56,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-12 21:02:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:56,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:56,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:56,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:02:56,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:56,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:02:56,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:56,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:56,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-12 21:02:56,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:56,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:56,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:56,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:56,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:56,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:56,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:56,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:56,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:56,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:56,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:56,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:56,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:56,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:56,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:02:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:56,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:56,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:56,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:02:56,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:56,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:56,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:56,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:56,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:56,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:56,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:56,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-12 21:02:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:56,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:56,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:56,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:02:56,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:56,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:56,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:56,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:56,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 21:02:56,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:56,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:56,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-10-12 21:02:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:56,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:56,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:56,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:02:56,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:56,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:56,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:56,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:56,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 21:02:56,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:56,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:56,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:02:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:56,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:56,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:56,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:56,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:56,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:56,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:56,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:56,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:02:56,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:56,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:56,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-10-12 21:02:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:56,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:56,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:56,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:02:56,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:56,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:02:56,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:56,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:56,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:02:56,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:56,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:56,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-10-12 21:02:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:56,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:56,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:02:56,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:02:56,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:02:56,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:02:56,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:02:56,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:02:56,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 21:02:56,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:02:56,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:02:56,250 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 79 proven. 13 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2020-10-12 21:02:56,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1401600152] [2020-10-12 21:02:56,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:02:56,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-12 21:02:56,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115165946] [2020-10-12 21:02:56,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 21:02:56,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:02:56,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 21:02:56,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2020-10-12 21:02:56,252 INFO L87 Difference]: Start difference. First operand 5227 states and 6088 transitions. Second operand 15 states. [2020-10-12 21:02:58,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:02:58,736 INFO L93 Difference]: Finished difference Result 10397 states and 12171 transitions. [2020-10-12 21:02:58,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-12 21:02:58,737 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 292 [2020-10-12 21:02:58,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:02:58,758 INFO L225 Difference]: With dead ends: 10397 [2020-10-12 21:02:58,758 INFO L226 Difference]: Without dead ends: 5637 [2020-10-12 21:02:58,768 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 82 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=312, Invalid=948, Unknown=0, NotChecked=0, Total=1260 [2020-10-12 21:02:58,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5637 states. [2020-10-12 21:02:59,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5637 to 5569. [2020-10-12 21:02:59,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5569 states. [2020-10-12 21:02:59,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5569 states to 5569 states and 6470 transitions. [2020-10-12 21:02:59,351 INFO L78 Accepts]: Start accepts. Automaton has 5569 states and 6470 transitions. Word has length 292 [2020-10-12 21:02:59,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:02:59,353 INFO L479 AbstractCegarLoop]: Abstraction has 5569 states and 6470 transitions. [2020-10-12 21:02:59,353 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 21:02:59,353 INFO L276 IsEmpty]: Start isEmpty. Operand 5569 states and 6470 transitions. [2020-10-12 21:02:59,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-10-12 21:02:59,367 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:02:59,367 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 5, 5, 4, 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, 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] [2020-10-12 21:02:59,367 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 21:02:59,367 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:02:59,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:02:59,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1835431007, now seen corresponding path program 1 times [2020-10-12 21:02:59,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:02:59,368 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1347514831] [2020-10-12 21:02:59,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:02:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:02:59,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:59,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:59,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:59,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:02:59,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:01,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:01,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:02,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:02,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:03,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 380 [2020-10-12 21:03:04,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 21:03:04,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 21:03:04,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 21:03:04,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-10-12 21:03:04,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-12 21:03:04,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:03:04,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:03:04,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:04,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:04,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:04,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:04,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:03:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:03:04,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:04,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:04,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:04,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:04,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:03:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:03:04,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:04,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:04,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:04,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:04,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 21:03:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:04,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:04,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:04,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:04,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:04,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:03:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:04,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:04,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:04,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:04,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:04,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:03:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:03:04,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:04,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:04,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:04,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:04,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:04,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:04,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:04,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:04,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:04,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:04,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:03:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:04,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:04,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:04,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:04,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:04,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 21:03:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:04,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:04,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:04,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:04,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:04,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:03:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-12 21:03:04,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:03:04,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:04,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:04,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:04,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:03:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:04,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:04,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:04,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:04,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:04,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:03:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:03:04,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:04,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:04,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:04,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:04,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:03:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 21:03:04,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:04,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:04,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:04,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:04,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 21:03:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:04,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:04,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:04,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:04,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:04,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 21:03:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 21:03:04,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:04,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:04,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:04,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:03:04,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:04,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:04,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:04,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:04,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 21:03:04,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 21:03:04,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:04,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:03:04,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:04,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:03:04,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:04,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:03:04,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 21:03:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:03:04,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:03:04,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:03:04,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:04,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:04,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:03:04,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:04,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:04,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:04,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:04,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:04,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:03:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:04,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:04,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:04,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:04,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:04,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 21:03:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:04,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:04,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:03:04,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:04,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:03:04,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 21:03:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:03:04,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:04,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:04,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:04,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:03:04,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:04,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:04,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:04,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:04,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:04,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-12 21:03:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-12 21:03:04,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:03:04,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:04,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:04,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 21:03:04,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:03:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:04,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:04,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:04,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:04,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:04,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:03:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:03:04,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:04,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:04,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:04,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:04,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 21:03:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:04,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:04,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:04,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:04,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:04,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-12 21:03:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 21:03:04,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:03:04,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:03:04,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:04,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:03:04,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:04,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:04,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:03:04,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:03:04,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:04,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 21:03:04,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:03:04,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-12 21:03:04,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:04,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:03:04,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:03:04,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:03:04,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:04,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:03:04,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-12 21:03:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:03:04,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:03:04,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:03:04,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:04,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:03:04,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 21:03:04,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:04,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:04,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:04,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:04,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:03:04,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:03:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:04,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:04,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:04,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:04,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:03:04,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-12 21:03:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:04,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:04,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:03:04,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:04,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:03:04,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-10-12 21:03:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:03:04,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:04,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:04,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 21:03:04,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:04,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:04,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:04,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:04,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:04,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:04,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-10-12 21:03:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:04,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:04,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:04,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:03:04,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:04,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-10-12 21:03:04,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:04,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:04,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:04,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:03:04,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:04,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:04,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:04,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:04,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 21:03:04,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:04,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:04,951 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2020-10-12 21:03:04,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1347514831] [2020-10-12 21:03:04,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:03:04,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-12 21:03:04,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671850649] [2020-10-12 21:03:04,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 21:03:04,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:03:04,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 21:03:04,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2020-10-12 21:03:04,953 INFO L87 Difference]: Start difference. First operand 5569 states and 6470 transitions. Second operand 16 states. [2020-10-12 21:03:07,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:03:07,695 INFO L93 Difference]: Finished difference Result 10573 states and 12327 transitions. [2020-10-12 21:03:07,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-12 21:03:07,697 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 292 [2020-10-12 21:03:07,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:03:07,715 INFO L225 Difference]: With dead ends: 10573 [2020-10-12 21:03:07,716 INFO L226 Difference]: Without dead ends: 5485 [2020-10-12 21:03:07,726 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=367, Invalid=1193, Unknown=0, NotChecked=0, Total=1560 [2020-10-12 21:03:07,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5485 states. [2020-10-12 21:03:08,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5485 to 5259. [2020-10-12 21:03:08,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5259 states. [2020-10-12 21:03:08,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5259 states to 5259 states and 6103 transitions. [2020-10-12 21:03:08,137 INFO L78 Accepts]: Start accepts. Automaton has 5259 states and 6103 transitions. Word has length 292 [2020-10-12 21:03:08,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:03:08,137 INFO L479 AbstractCegarLoop]: Abstraction has 5259 states and 6103 transitions. [2020-10-12 21:03:08,137 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 21:03:08,138 INFO L276 IsEmpty]: Start isEmpty. Operand 5259 states and 6103 transitions. [2020-10-12 21:03:08,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-10-12 21:03:08,149 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:03:08,149 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 5, 5, 4, 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, 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] [2020-10-12 21:03:08,149 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 21:03:08,149 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:03:08,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:03:08,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1229656225, now seen corresponding path program 2 times [2020-10-12 21:03:08,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:03:08,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1816099148] [2020-10-12 21:03:08,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:03:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:08,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:08,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:08,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:08,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:08,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:08,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:11,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 380 [2020-10-12 21:03:13,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:03:13,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 21:03:13,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:03:13,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 191 [2020-10-12 21:03:13,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-12 21:03:13,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:03:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:03:13,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:13,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:03:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:03:13,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:13,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:03:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:03:13,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:13,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 21:03:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:13,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:13,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:03:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:13,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:13,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:03:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:03:13,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:13,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:13,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:13,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:03:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:13,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:13,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 21:03:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:13,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:13,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:03:13,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-12 21:03:13,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:03:13,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:03:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:13,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:13,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:03:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:03:13,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:03:13,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:03:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 21:03:13,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:13,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 21:03:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:13,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:13,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 21:03:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 21:03:13,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:13,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:13,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:13,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 21:03:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:13,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:13,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 21:03:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:03:13,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:13,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:13,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:13,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:03:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:13,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:13,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 21:03:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:13,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:13,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:13,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:03:13,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 21:03:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:03:13,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:03:13,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:13,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:03:13,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:13,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:13,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-12 21:03:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-12 21:03:13,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:03:13,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:13,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 21:03:13,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:03:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:13,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:13,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:03:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:03:13,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:13,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 21:03:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:13,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:13,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-12 21:03:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 21:03:13,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:03:13,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:03:13,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:13,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:03:13,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:13,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:03:13,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:03:13,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:13,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 21:03:13,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-12 21:03:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:13,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:13,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:03:13,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:13,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:03:13,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-12 21:03:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:03:13,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:03:13,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:03:13,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:13,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:03:13,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:13,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:13,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:03:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:13,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:13,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-12 21:03:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:13,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:13,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:03:13,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:13,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:03:13,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-10-12 21:03:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:03:13,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:13,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-12 21:03:13,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:13,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:13,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:13,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-10-12 21:03:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:13,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:13,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:03:13,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-10-12 21:03:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:13,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:13,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:13,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:03:13,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:13,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:13,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:13,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:13,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-12 21:03:13,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:13,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:13,696 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 72 proven. 3 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2020-10-12 21:03:13,697 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1816099148] [2020-10-12 21:03:13,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:03:13,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-12 21:03:13,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188857005] [2020-10-12 21:03:13,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:03:13,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:03:13,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:03:13,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:03:13,699 INFO L87 Difference]: Start difference. First operand 5259 states and 6103 transitions. Second operand 14 states. [2020-10-12 21:03:15,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:03:15,646 INFO L93 Difference]: Finished difference Result 8757 states and 10172 transitions. [2020-10-12 21:03:15,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-12 21:03:15,647 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 292 [2020-10-12 21:03:15,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:03:15,656 INFO L225 Difference]: With dead ends: 8757 [2020-10-12 21:03:15,656 INFO L226 Difference]: Without dead ends: 3677 [2020-10-12 21:03:15,662 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 77 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=257, Invalid=799, Unknown=0, NotChecked=0, Total=1056 [2020-10-12 21:03:15,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3677 states. [2020-10-12 21:03:15,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3677 to 3585. [2020-10-12 21:03:15,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3585 states. [2020-10-12 21:03:15,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3585 states to 3585 states and 4044 transitions. [2020-10-12 21:03:15,942 INFO L78 Accepts]: Start accepts. Automaton has 3585 states and 4044 transitions. Word has length 292 [2020-10-12 21:03:15,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:03:15,943 INFO L479 AbstractCegarLoop]: Abstraction has 3585 states and 4044 transitions. [2020-10-12 21:03:15,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:03:15,943 INFO L276 IsEmpty]: Start isEmpty. Operand 3585 states and 4044 transitions. [2020-10-12 21:03:15,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-10-12 21:03:15,952 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:03:15,953 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 4, 4, 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, 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] [2020-10-12 21:03:15,953 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 21:03:15,953 INFO L427 AbstractCegarLoop]: === Iteration 17 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:03:15,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:03:15,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1520877044, now seen corresponding path program 1 times [2020-10-12 21:03:15,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:03:15,954 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [233454753] [2020-10-12 21:03:15,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:03:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:15,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:16,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:16,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:16,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:16,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:16,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:16,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:20,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:20,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 378 [2020-10-12 21:03:20,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:03:20,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 21:03:20,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:20,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:03:20,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 166 [2020-10-12 21:03:20,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-12 21:03:20,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:03:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:03:21,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:21,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:03:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:03:21,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:21,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:03:21,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:03:21,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:21,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 21:03:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:21,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:21,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:03:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:21,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:21,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:03:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:03:21,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:21,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:21,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:21,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:03:21,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:21,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:21,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 21:03:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:21,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:21,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:03:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-12 21:03:21,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:03:21,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:03:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:21,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:21,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 21:03:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:21,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:21,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 21:03:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:21,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:21,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 21:03:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:03:21,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:21,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 21:03:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:21,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:21,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 21:03:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 21:03:21,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:21,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:21,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:21,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 21:03:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:21,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:21,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:21,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 21:03:21,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 21:03:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:03:21,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:03:21,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:03:21,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:21,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:03:21,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:21,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:21,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:03:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:21,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:21,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 21:03:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:21,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:03:21,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:21,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:03:21,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:21,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:03:21,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 21:03:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:03:21,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:21,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:21,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:03:21,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:21,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:21,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-12 21:03:21,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 21:03:21,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:03:21,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:21,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 21:03:21,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:03:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:21,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:21,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 21:03:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 21:03:21,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:21,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 21:03:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:21,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:21,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-12 21:03:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:03:21,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:21,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:03:21,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:21,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:03:21,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-10-12 21:03:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:21,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:21,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:03:21,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:21,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:03:21,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-12 21:03:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:03:21,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:21,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-12 21:03:21,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:21,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:21,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:03:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:21,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:21,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-10-12 21:03:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:21,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:21,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 21:03:21,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-10-12 21:03:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:03:21,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:21,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 21:03:21,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:21,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:21,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:21,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2020-10-12 21:03:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:21,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:21,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:21,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:21,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:21,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:21,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:21,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:21,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:03:21,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:21,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:21,452 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 72 proven. 5 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2020-10-12 21:03:21,452 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [233454753] [2020-10-12 21:03:21,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:03:21,453 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-12 21:03:21,453 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440183204] [2020-10-12 21:03:21,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 21:03:21,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:03:21,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 21:03:21,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2020-10-12 21:03:21,454 INFO L87 Difference]: Start difference. First operand 3585 states and 4044 transitions. Second operand 15 states. [2020-10-12 21:03:24,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:03:24,143 INFO L93 Difference]: Finished difference Result 4918 states and 5544 transitions. [2020-10-12 21:03:24,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-12 21:03:24,144 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 292 [2020-10-12 21:03:24,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:03:24,151 INFO L225 Difference]: With dead ends: 4918 [2020-10-12 21:03:24,151 INFO L226 Difference]: Without dead ends: 1872 [2020-10-12 21:03:24,158 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=306, Invalid=1100, Unknown=0, NotChecked=0, Total=1406 [2020-10-12 21:03:24,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1872 states. [2020-10-12 21:03:24,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1872 to 1162. [2020-10-12 21:03:24,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1162 states. [2020-10-12 21:03:24,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 1266 transitions. [2020-10-12 21:03:24,357 INFO L78 Accepts]: Start accepts. Automaton has 1162 states and 1266 transitions. Word has length 292 [2020-10-12 21:03:24,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:03:24,357 INFO L479 AbstractCegarLoop]: Abstraction has 1162 states and 1266 transitions. [2020-10-12 21:03:24,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 21:03:24,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1266 transitions. [2020-10-12 21:03:24,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2020-10-12 21:03:24,372 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:03:24,373 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 8, 8, 8, 8, 7, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:03:24,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-12 21:03:24,374 INFO L427 AbstractCegarLoop]: === Iteration 18 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:03:24,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:03:24,374 INFO L82 PathProgramCache]: Analyzing trace with hash -322111784, now seen corresponding path program 1 times [2020-10-12 21:03:24,375 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:03:24,375 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [487387683] [2020-10-12 21:03:24,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:03:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:24,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:24,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:24,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:24,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:25,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:26,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:27,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:27,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:28,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:29,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:29,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 507 [2020-10-12 21:03:29,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 21:03:29,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-12 21:03:29,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:29,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-12 21:03:29,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 21:03:29,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 488 [2020-10-12 21:03:29,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:29,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:03:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:29,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:29,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:29,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:03:29,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:29,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:29,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:29,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:29,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:29,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:29,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:29,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:03:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:29,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:29,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:29,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:03:29,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:29,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:29,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:29,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:29,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:29,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:03:29,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:29,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:03:29,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:29,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:29,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:29,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:03:29,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:29,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:29,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:29,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:29,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:29,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:03:29,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:29,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 21:03:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:29,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:29,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:29,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:29,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:29,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:29,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:29,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:29,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:29,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:03:29,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:29,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:03:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:29,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:29,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:29,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:29,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:29,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:29,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:29,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:29,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:29,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:03:29,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:29,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 21:03:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:29,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:29,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:29,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:03:29,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:29,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:03:29,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:29,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:29,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:29,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:03:29,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:29,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:29,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:29,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:29,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:29,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:29,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:29,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:29,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:29,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:29,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:29,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:29,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:03:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:29,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:29,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:29,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:29,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:29,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:29,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:29,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:29,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:29,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:29,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:29,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 21:03:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:29,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:29,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:29,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:29,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:29,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:29,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:29,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:29,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:29,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:03:29,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:29,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:03:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:29,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:29,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:29,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-12 21:03:29,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:29,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 21:03:29,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:29,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 21:03:29,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:29,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-12 21:03:29,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:29,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:03:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:29,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:29,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:29,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:29,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:29,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:29,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:29,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:29,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:29,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:03:29,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:29,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 21:03:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:29,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:29,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:29,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:29,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:29,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:03:29,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:29,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:03:29,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:29,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:03:29,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:29,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 21:03:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:29,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:29,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:29,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:29,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:29,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:29,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:29,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:29,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:29,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:03:29,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:29,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 21:03:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:29,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:29,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:29,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:03:29,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:29,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:03:29,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:29,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:03:29,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:29,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 21:03:29,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:29,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 21:03:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:29,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:29,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:29,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:29,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:29,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:29,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:29,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:29,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:29,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:03:29,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:29,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 21:03:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:29,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:29,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:29,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 21:03:29,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:29,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:03:29,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:29,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:29,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:29,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 21:03:29,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:29,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:29,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:29,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:29,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:29,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:29,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:29,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:29,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:29,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:29,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:29,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:29,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 21:03:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:29,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:29,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:29,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:29,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:29,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:29,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:29,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:29,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:29,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:03:29,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:29,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 21:03:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:29,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:29,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:29,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:03:29,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:29,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:03:29,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:29,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:29,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:29,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:03:29,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:29,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:29,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:29,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:29,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:29,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:29,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:29,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:29,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:29,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:29,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:29,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:29,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:03:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:29,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:29,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:29,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:29,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:29,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:29,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:29,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:29,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:29,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:29,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:29,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 21:03:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:29,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:29,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:29,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:29,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:29,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:29,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:29,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:29,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:29,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:03:29,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:29,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 21:03:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:29,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:29,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:29,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:03:29,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:29,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:03:29,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:29,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:29,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:29,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:03:29,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:29,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:29,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:29,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:29,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:29,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:29,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:29,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:29,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:29,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:29,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:29,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:29,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-12 21:03:29,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:29,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:29,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:29,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:29,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 21:03:29,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:03:29,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 21:03:29,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:29,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 21:03:29,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:29,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-12 21:03:29,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:30,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:03:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:30,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:30,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:30,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:30,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:30,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:30,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:30,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:30,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:30,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:03:30,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:30,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 21:03:30,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:30,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:30,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:30,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:30,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 21:03:30,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:03:30,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:03:30,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:30,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:03:30,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:30,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:03:30,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:30,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 21:03:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:30,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:30,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:30,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:30,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:30,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:03:30,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:30,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:30,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:30,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:03:30,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:30,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-12 21:03:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:30,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:30,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:30,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 21:03:30,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:30,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:03:30,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:30,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:30,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:30,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 21:03:30,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:30,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:30,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:30,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:30,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:30,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:30,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:30,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:30,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:30,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:30,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:30,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:30,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-12 21:03:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:30,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:30,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:30,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:30,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:30,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:30,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:30,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:30,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:30,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:03:30,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:30,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-12 21:03:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:30,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:30,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:30,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:03:30,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:30,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:03:30,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:30,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:30,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:30,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:03:30,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:30,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:30,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:30,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:30,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:30,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:30,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:30,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:30,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:30,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:30,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:30,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:30,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:03:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:30,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:30,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:30,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:30,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:30,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:30,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:30,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:30,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:30,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:30,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:30,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-12 21:03:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:30,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:30,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:30,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:30,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:30,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:30,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:30,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:30,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:30,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:03:30,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:30,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-12 21:03:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:30,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:30,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:30,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:03:30,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:30,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:30,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:30,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:30,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:30,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:03:30,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:30,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:30,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:30,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:30,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:30,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:30,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:30,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:30,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:30,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:30,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:30,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:30,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-10-12 21:03:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:30,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:30,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:30,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-12 21:03:30,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:30,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-12 21:03:30,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:30,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 21:03:30,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:30,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 21:03:30,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:30,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:03:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:30,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:30,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:30,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:30,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:30,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:30,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:30,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:30,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:30,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:03:30,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:30,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:03:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:30,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:30,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:30,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:03:30,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:30,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:03:30,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:30,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:03:30,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:30,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:03:30,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:30,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 21:03:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:30,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:30,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:30,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:30,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:30,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:30,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:30,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:30,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:30,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:03:30,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:30,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2020-10-12 21:03:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:30,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:30,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:30,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 21:03:30,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:30,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:30,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:30,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:30,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:30,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 21:03:30,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:30,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:30,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:30,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:30,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:30,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:30,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:30,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:30,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:30,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:30,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:30,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:30,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-10-12 21:03:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:30,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:30,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:30,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:30,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:30,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:30,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:30,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:30,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:30,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:03:30,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:30,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2020-10-12 21:03:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:30,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:30,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:30,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 21:03:30,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:30,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:03:30,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:30,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:30,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:30,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 21:03:30,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:30,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:30,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:30,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:30,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:30,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:30,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:30,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:30,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:30,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:30,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:30,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:30,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:03:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:30,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:30,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:30,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:30,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:30,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:30,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:30,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:30,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:30,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:30,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:30,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2020-10-12 21:03:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:30,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:30,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:30,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 21:03:30,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:30,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:30,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:30,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:30,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:30,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:03:30,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:30,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-10-12 21:03:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:30,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:30,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:30,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:03:30,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:30,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:03:30,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:30,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:30,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:30,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:03:30,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:30,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:03:30,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:30,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:30,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:30,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:30,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:30,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:03:30,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:30,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:03:30,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:30,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:03:30,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:30,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2020-10-12 21:03:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:30,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:30,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:30,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:03:30,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:30,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:30,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:30,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:30,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:30,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:03:30,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:30,465 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 10 proven. 144 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2020-10-12 21:03:30,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [487387683] [2020-10-12 21:03:30,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:03:30,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-12 21:03:30,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073599147] [2020-10-12 21:03:30,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 21:03:30,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:03:30,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 21:03:30,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2020-10-12 21:03:30,467 INFO L87 Difference]: Start difference. First operand 1162 states and 1266 transitions. Second operand 19 states. [2020-10-12 21:03:33,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:03:33,349 INFO L93 Difference]: Finished difference Result 1222 states and 1358 transitions. [2020-10-12 21:03:33,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 21:03:33,349 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 393 [2020-10-12 21:03:33,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:03:33,351 INFO L225 Difference]: With dead ends: 1222 [2020-10-12 21:03:33,351 INFO L226 Difference]: Without dead ends: 0 [2020-10-12 21:03:33,356 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 104 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=281, Invalid=1279, Unknown=0, NotChecked=0, Total=1560 [2020-10-12 21:03:33,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-12 21:03:33,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-12 21:03:33,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-12 21:03:33,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-12 21:03:33,357 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 393 [2020-10-12 21:03:33,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:03:33,357 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-12 21:03:33,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-12 21:03:33,357 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-12 21:03:33,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-12 21:03:33,358 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-12 21:03:33,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-12 21:03:33,853 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 83 [2020-10-12 21:03:34,173 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2020-10-12 21:03:35,530 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 440 DAG size of output: 397 [2020-10-12 21:03:36,536 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 103 [2020-10-12 21:03:41,665 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 427 DAG size of output: 379 [2020-10-12 21:03:44,784 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 365 [2020-10-12 21:03:45,264 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 357 [2020-10-12 21:03:47,401 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 353 [2020-10-12 21:03:51,349 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 410 [2020-10-12 21:03:53,615 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 410 [2020-10-12 21:03:54,069 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 117 [2020-10-12 21:03:54,361 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 118 [2020-10-12 21:03:54,559 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 117 [2020-10-12 21:03:55,355 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 120 [2020-10-12 21:03:55,694 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 122 [2020-10-12 21:03:57,475 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 77 [2020-10-12 21:03:57,620 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 67 [2020-10-12 21:04:00,890 WARN L193 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 420 DAG size of output: 108 [2020-10-12 21:04:01,062 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 78 [2020-10-12 21:04:01,972 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 92 [2020-10-12 21:04:06,210 WARN L193 SmtUtils]: Spent 4.22 s on a formula simplification. DAG size of input: 346 DAG size of output: 150 [2020-10-12 21:04:08,677 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 293 DAG size of output: 88 [2020-10-12 21:04:08,883 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 1 [2020-10-12 21:04:09,238 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 85 [2020-10-12 21:04:10,438 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 230 DAG size of output: 116 [2020-10-12 21:04:12,552 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 293 DAG size of output: 90 [2020-10-12 21:04:12,836 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 60 [2020-10-12 21:04:16,016 WARN L193 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 401 DAG size of output: 111 [2020-10-12 21:04:16,217 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 1 [2020-10-12 21:04:16,410 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 1 [2020-10-12 21:04:17,855 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 227 DAG size of output: 85 [2020-10-12 21:04:18,033 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2020-10-12 21:04:19,375 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 216 DAG size of output: 86 [2020-10-12 21:04:19,589 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 1 [2020-10-12 21:04:20,922 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 214 DAG size of output: 102 [2020-10-12 21:04:21,693 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 79 [2020-10-12 21:04:22,070 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 85 [2020-10-12 21:04:22,868 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 81 [2020-10-12 21:04:25,728 WARN L193 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 388 DAG size of output: 103 [2020-10-12 21:04:28,433 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 381 DAG size of output: 104 [2020-10-12 21:04:28,625 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 76 [2020-10-12 21:04:28,794 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 78 [2020-10-12 21:04:30,179 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 227 DAG size of output: 85 [2020-10-12 21:04:34,633 WARN L193 SmtUtils]: Spent 4.44 s on a formula simplification. DAG size of input: 423 DAG size of output: 145 [2020-10-12 21:04:37,188 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 377 DAG size of output: 101 [2020-10-12 21:04:38,973 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 243 DAG size of output: 89 [2020-10-12 21:04:39,938 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 72 [2020-10-12 21:04:44,290 WARN L193 SmtUtils]: Spent 4.34 s on a formula simplification. DAG size of input: 346 DAG size of output: 150 [2020-10-12 21:04:44,621 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 1 [2020-10-12 21:04:48,117 WARN L193 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 430 DAG size of output: 116 [2020-10-12 21:04:48,312 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 76 [2020-10-12 21:04:48,806 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 1 [2020-10-12 21:04:50,835 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 274 DAG size of output: 127 [2020-10-12 21:04:52,457 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 189 DAG size of output: 86 [2020-10-12 21:04:52,663 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 76 [2020-10-12 21:04:54,113 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 234 DAG size of output: 81 [2020-10-12 21:04:54,847 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 78