/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/token_ring.12.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 21:07:48,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 21:07:49,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 21:07:49,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 21:07:49,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 21:07:49,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 21:07:49,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 21:07:49,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 21:07:49,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 21:07:49,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 21:07:49,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 21:07:49,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 21:07:49,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 21:07:49,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 21:07:49,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 21:07:49,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 21:07:49,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 21:07:49,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 21:07:49,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 21:07:49,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 21:07:49,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 21:07:49,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 21:07:49,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 21:07:49,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 21:07:49,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 21:07:49,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 21:07:49,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 21:07:49,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 21:07:49,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 21:07:49,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 21:07:49,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 21:07:49,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 21:07:49,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 21:07:49,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 21:07:49,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 21:07:49,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 21:07:49,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 21:07:49,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 21:07:49,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 21:07:49,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 21:07:49,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 21:07:49,058 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 21:07:49,080 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 21:07:49,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 21:07:49,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 21:07:49,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 21:07:49,082 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 21:07:49,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 21:07:49,082 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 21:07:49,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 21:07:49,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 21:07:49,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 21:07:49,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 21:07:49,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 21:07:49,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 21:07:49,084 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 21:07:49,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 21:07:49,084 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 21:07:49,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 21:07:49,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 21:07:49,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 21:07:49,085 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 21:07:49,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 21:07:49,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 21:07:49,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 21:07:49,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 21:07:49,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 21:07:49,086 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 21:07:49,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 21:07:49,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 21:07:49,087 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 21:07:49,087 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 21:07:49,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 21:07:49,429 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 21:07:49,433 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 21:07:49,434 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 21:07:49,435 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 21:07:49,436 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.12.cil-2.c [2020-10-12 21:07:49,496 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/57f8a7a7b/25ee678f7ee54294aa544afc1563b458/FLAG1be6004a4 [2020-10-12 21:07:49,984 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 21:07:49,985 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.12.cil-2.c [2020-10-12 21:07:50,005 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/57f8a7a7b/25ee678f7ee54294aa544afc1563b458/FLAG1be6004a4 [2020-10-12 21:07:50,325 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/57f8a7a7b/25ee678f7ee54294aa544afc1563b458 [2020-10-12 21:07:50,333 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 21:07:50,335 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 21:07:50,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 21:07:50,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 21:07:50,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 21:07:50,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:07:50" (1/1) ... [2020-10-12 21:07:50,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ebb600b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:50, skipping insertion in model container [2020-10-12 21:07:50,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:07:50" (1/1) ... [2020-10-12 21:07:50,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 21:07:50,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 21:07:50,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:07:50,910 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 21:07:51,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:07:51,037 INFO L208 MainTranslator]: Completed translation [2020-10-12 21:07:51,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:51 WrapperNode [2020-10-12 21:07:51,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 21:07:51,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 21:07:51,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 21:07:51,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 21:07:51,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:51" (1/1) ... [2020-10-12 21:07:51,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:51" (1/1) ... [2020-10-12 21:07:51,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:51" (1/1) ... [2020-10-12 21:07:51,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:51" (1/1) ... [2020-10-12 21:07:51,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:51" (1/1) ... [2020-10-12 21:07:51,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:51" (1/1) ... [2020-10-12 21:07:51,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:51" (1/1) ... [2020-10-12 21:07:51,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 21:07:51,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 21:07:51,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 21:07:51,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 21:07:51,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:51" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 21:07:51,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 21:07:51,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 21:07:51,236 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-12 21:07:51,236 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-12 21:07:51,236 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-12 21:07:51,237 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-12 21:07:51,237 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-12 21:07:51,238 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-12 21:07:51,239 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-12 21:07:51,239 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-12 21:07:51,239 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-12 21:07:51,239 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-12 21:07:51,239 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-12 21:07:51,240 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-12 21:07:51,240 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2020-10-12 21:07:51,241 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit12 [2020-10-12 21:07:51,241 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-12 21:07:51,241 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-12 21:07:51,241 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-12 21:07:51,241 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-12 21:07:51,241 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-12 21:07:51,242 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-12 21:07:51,242 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-12 21:07:51,242 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-12 21:07:51,242 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-12 21:07:51,243 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-12 21:07:51,243 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-12 21:07:51,243 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2020-10-12 21:07:51,243 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit12_triggered [2020-10-12 21:07:51,244 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-12 21:07:51,244 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-12 21:07:51,244 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-12 21:07:51,244 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-12 21:07:51,244 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-12 21:07:51,244 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-12 21:07:51,244 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-12 21:07:51,245 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-12 21:07:51,245 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-12 21:07:51,247 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-12 21:07:51,247 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-12 21:07:51,247 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-12 21:07:51,247 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-12 21:07:51,247 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 21:07:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 21:07:51,249 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-12 21:07:51,249 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-12 21:07:51,249 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-12 21:07:51,250 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-12 21:07:51,250 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-12 21:07:51,250 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-12 21:07:51,250 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-12 21:07:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-12 21:07:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-12 21:07:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-12 21:07:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-12 21:07:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-12 21:07:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2020-10-12 21:07:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit12_triggered [2020-10-12 21:07:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-12 21:07:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 21:07:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-12 21:07:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-12 21:07:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-12 21:07:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-12 21:07:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-12 21:07:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-12 21:07:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-12 21:07:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-12 21:07:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-12 21:07:51,255 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-12 21:07:51,255 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-12 21:07:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2020-10-12 21:07:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure transmit12 [2020-10-12 21:07:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-12 21:07:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-12 21:07:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-12 21:07:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-12 21:07:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-12 21:07:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-12 21:07:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-12 21:07:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-12 21:07:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-12 21:07:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-12 21:07:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-12 21:07:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-12 21:07:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 21:07:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 21:07:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 21:07:52,522 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 21:07:52,523 INFO L295 CfgBuilder]: Removed 15 assume(true) statements. [2020-10-12 21:07:52,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:07:52 BoogieIcfgContainer [2020-10-12 21:07:52,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 21:07:52,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 21:07:52,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 21:07:52,536 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 21:07:52,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 09:07:50" (1/3) ... [2020-10-12 21:07:52,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3befc0cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:07:52, skipping insertion in model container [2020-10-12 21:07:52,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:07:51" (2/3) ... [2020-10-12 21:07:52,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3befc0cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:07:52, skipping insertion in model container [2020-10-12 21:07:52,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:07:52" (3/3) ... [2020-10-12 21:07:52,540 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.12.cil-2.c [2020-10-12 21:07:52,552 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 21:07:52,560 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 21:07:52,574 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 21:07:52,601 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 21:07:52,602 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 21:07:52,602 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 21:07:52,602 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 21:07:52,603 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 21:07:52,603 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 21:07:52,603 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 21:07:52,603 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 21:07:52,632 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states. [2020-10-12 21:07:52,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-12 21:07:52,651 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:07:52,652 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:07:52,652 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:07:52,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:07:52,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1848146602, now seen corresponding path program 1 times [2020-10-12 21:07:52,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:07:52,669 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [19002542] [2020-10-12 21:07:52,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:07:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:53,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:53,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:55,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:56,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:57,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:57,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-12 21:07:57,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-12 21:07:57,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 21:07:57,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:57,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:07:57,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:07:57,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 21:07:57,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 21:07:58,371 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-12 21:07:58,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:07:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:58,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:58,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:58,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:58,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:58,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-12 21:07:58,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:58,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:58,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:58,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:07:58,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:58,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:07:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:58,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:58,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:58,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:07:58,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:58,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:07:58,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:58,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:58,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:58,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:07:58,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:58,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:07:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:58,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:58,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:58,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:07:58,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:58,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:07:58,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:58,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:58,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:58,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:07:58,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:58,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:07:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:58,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:58,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:58,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:07:58,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:58,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:07:58,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:58,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:07:58,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:07:58,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:07:58,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:58,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 21:07:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:58,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:58,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:07:58,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 21:07:58,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:07:58,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 21:07:58,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:07:58,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:07:58,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:07:58,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 21:07:58,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:07:58,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 21:07:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:07:58,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:58,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:58,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:07:59,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:00,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:00,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-12 21:08:00,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:08:00,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2043 [2020-10-12 21:08:00,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:00,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:08:00,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-12 21:08:00,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:08:00,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:00,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:08:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:00,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:00,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:00,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:00,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:00,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:00,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:00,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:00,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:00,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:00,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:00,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:08:00,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:00,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:00,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:00,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:00,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:00,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:00,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:00,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:00,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:00,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:00,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:00,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:08:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:00,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:00,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:00,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:00,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:00,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:00,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:00,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:00,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:00,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:00,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:00,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:08:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:00,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:00,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:00,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:00,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:00,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:08:00,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:00,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:00,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:00,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:00,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-12 21:08:00,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:08:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:00,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:00,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:00,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:00,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:00,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:08:00,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:00,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:00,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:00,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:00,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:00,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:08:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:00,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:00,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:00,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:00,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:00,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:00,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:00,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:00,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:00,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:00,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 21:08:00,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:08:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:00,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:00,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:00,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:00,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:00,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:08:00,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:00,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:00,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:00,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:08:00,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:00,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:08:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:00,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:00,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:00,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:00,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:00,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:00,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:00,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:00,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:00,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:00,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:00,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:08:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:00,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:00,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:00,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:00,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:00,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:00,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:00,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:00,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:00,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:00,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:00,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:08:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:00,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:00,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:00,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:00,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:00,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:00,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:00,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:00,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:00,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:00,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:00,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:08:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:00,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:00,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:00,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:00,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:00,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:00,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:00,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:00,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:00,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:00,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:00,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:08:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:00,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:00,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:00,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:00,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:00,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:00,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:00,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:00,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:00,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:00,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:00,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:08:01,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:01,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:01,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:01,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:01,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:01,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:01,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:01,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:01,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:01,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:01,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:01,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-12 21:08:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:01,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:01,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:01,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 21:08:01,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:01,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:08:01,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:01,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:01,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:08:01,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:01,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:01,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-12 21:08:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:01,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:01,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:01,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:08:01,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:01,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:01,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:01,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:01,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:08:01,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:01,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:01,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:08:01,148 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [19002542] [2020-10-12 21:08:01,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:08:01,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-12 21:08:01,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592038529] [2020-10-12 21:08:01,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 21:08:01,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:08:01,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 21:08:01,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-12 21:08:01,177 INFO L87 Difference]: Start difference. First operand 474 states. Second operand 12 states. [2020-10-12 21:08:01,632 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-12 21:08:01,795 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 21:08:02,011 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 21:08:04,237 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-12 21:08:04,514 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-12 21:08:04,683 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 21:08:04,940 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-12 21:08:05,090 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 21:08:05,349 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-12 21:08:12,320 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-12 21:08:12,582 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-12 21:08:12,722 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 21:08:12,985 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-12 21:08:13,126 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 21:08:13,377 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-12 21:08:19,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:08:19,077 INFO L93 Difference]: Finished difference Result 2016 states and 3399 transitions. [2020-10-12 21:08:19,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-12 21:08:19,079 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 231 [2020-10-12 21:08:19,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:08:19,118 INFO L225 Difference]: With dead ends: 2016 [2020-10-12 21:08:19,118 INFO L226 Difference]: Without dead ends: 1553 [2020-10-12 21:08:19,128 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=242, Invalid=880, Unknown=0, NotChecked=0, Total=1122 [2020-10-12 21:08:19,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2020-10-12 21:08:19,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 925. [2020-10-12 21:08:19,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 925 states. [2020-10-12 21:08:19,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1366 transitions. [2020-10-12 21:08:19,425 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1366 transitions. Word has length 231 [2020-10-12 21:08:19,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:08:19,426 INFO L479 AbstractCegarLoop]: Abstraction has 925 states and 1366 transitions. [2020-10-12 21:08:19,426 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 21:08:19,426 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1366 transitions. [2020-10-12 21:08:19,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-12 21:08:19,432 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:08:19,432 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:08:19,433 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 21:08:19,433 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:08:19,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:08:19,433 INFO L82 PathProgramCache]: Analyzing trace with hash -25247056, now seen corresponding path program 1 times [2020-10-12 21:08:19,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:08:19,434 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [201976585] [2020-10-12 21:08:19,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:08:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:19,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:19,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:19,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:19,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:20,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:20,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:20,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:20,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:20,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:20,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:20,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:20,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:21,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:22,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:22,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:22,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:22,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:22,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:22,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:22,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:24,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:24,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-12 21:08:24,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 32 [2020-10-12 21:08:24,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-12 21:08:24,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:24,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:08:24,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:08:24,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-12 21:08:24,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:24,828 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-12 21:08:24,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:08:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:24,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:24,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:24,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:24,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:24,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 21:08:24,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:24,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:24,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:24,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:08:24,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:24,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:08:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:24,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:24,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:24,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:24,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:24,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:08:24,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:24,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:24,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:24,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:08:24,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:24,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:08:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:24,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:24,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:24,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:08:24,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:24,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:24,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:24,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:24,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:24,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:08:24,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:24,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:08:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:24,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:24,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:24,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:08:24,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:24,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:08:24,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:24,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:24,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:24,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:08:24,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:25,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 21:08:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:25,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:25,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:25,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 21:08:25,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:25,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 21:08:25,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:25,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:25,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:08:25,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 21:08:25,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:25,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 21:08:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:25,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:25,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:25,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:25,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:25,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-12 21:08:25,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:08:25,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 586 [2020-10-12 21:08:25,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:25,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:08:25,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:08:25,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:08:25,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:25,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:08:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:25,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:25,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:25,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:25,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:25,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:08:25,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:25,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:25,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:25,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:25,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:25,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:08:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:25,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:25,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:25,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:25,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:25,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:25,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:25,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:25,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:25,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:25,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:25,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:08:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:25,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:25,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:25,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:25,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:25,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:08:25,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:25,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:25,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:25,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:08:25,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:25,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:08:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:25,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:25,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:25,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:25,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:25,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:25,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:25,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:25,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:25,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:25,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:25,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:08:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:25,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:25,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:25,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:25,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:25,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:25,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:25,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:25,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:25,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:25,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:25,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:08:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:25,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:25,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:25,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:25,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:25,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:25,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:25,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:25,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:25,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:25,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:25,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:08:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:25,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:25,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:25,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:25,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:25,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:25,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:25,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:25,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:25,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:25,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:25,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:08:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:25,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:25,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:25,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:25,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:25,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:25,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:25,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:25,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:25,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:25,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:25,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:08:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:25,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:25,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:25,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:25,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:25,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:25,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:25,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:25,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:25,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:25,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:25,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:08:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:25,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:25,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:25,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:25,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:25,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:25,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:25,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:25,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:25,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:25,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:25,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:08:25,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:25,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:25,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:25,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:25,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:25,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:25,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:25,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:25,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:25,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:25,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:25,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:08:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:25,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:25,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:25,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:25,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:25,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:25,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:25,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:25,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:25,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:25,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:25,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:08:25,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:25,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:25,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:25,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:25,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:25,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:25,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:25,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:25,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:08:25,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:25,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:25,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-12 21:08:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:25,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:25,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:25,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 21:08:25,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:25,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 21:08:25,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:25,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:25,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:08:25,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:25,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:25,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-12 21:08:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:25,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:25,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:25,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:08:25,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:25,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:25,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:25,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:25,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:08:25,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:25,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:26,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:08:26,111 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [201976585] [2020-10-12 21:08:26,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:08:26,112 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:08:26,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531291207] [2020-10-12 21:08:26,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:08:26,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:08:26,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:08:26,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:08:26,119 INFO L87 Difference]: Start difference. First operand 925 states and 1366 transitions. Second operand 13 states. [2020-10-12 21:08:26,402 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-12 21:08:28,245 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-12 21:08:28,548 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-12 21:08:28,945 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-12 21:08:29,097 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-12 21:08:29,341 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-12 21:08:33,968 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-12 21:08:34,232 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-12 21:08:34,493 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-12 21:08:34,651 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 21:08:34,927 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-12 21:08:35,055 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 21:08:35,546 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-12 21:08:35,713 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-12 21:08:36,005 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-12 21:08:41,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:08:41,394 INFO L93 Difference]: Finished difference Result 3187 states and 4882 transitions. [2020-10-12 21:08:41,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-12 21:08:41,395 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 231 [2020-10-12 21:08:41,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:08:41,419 INFO L225 Difference]: With dead ends: 3187 [2020-10-12 21:08:41,420 INFO L226 Difference]: Without dead ends: 2292 [2020-10-12 21:08:41,426 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=280, Invalid=980, Unknown=0, NotChecked=0, Total=1260 [2020-10-12 21:08:41,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2292 states. [2020-10-12 21:08:41,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2292 to 1227. [2020-10-12 21:08:41,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1227 states. [2020-10-12 21:08:41,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1735 transitions. [2020-10-12 21:08:41,711 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1735 transitions. Word has length 231 [2020-10-12 21:08:41,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:08:41,712 INFO L479 AbstractCegarLoop]: Abstraction has 1227 states and 1735 transitions. [2020-10-12 21:08:41,712 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:08:41,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1735 transitions. [2020-10-12 21:08:41,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-12 21:08:41,722 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:08:41,722 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:08:41,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 21:08:41,723 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:08:41,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:08:41,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1405871597, now seen corresponding path program 1 times [2020-10-12 21:08:41,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:08:41,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1150114866] [2020-10-12 21:08:41,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:08:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:41,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:41,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:41,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:42,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:42,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:42,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:42,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:42,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:42,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:42,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:42,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:42,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:42,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:42,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:43,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:43,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:43,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:43,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:43,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:43,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:43,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:43,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:43,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:43,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:43,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:43,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:43,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:44,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:46,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:46,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:46,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-12 21:08:46,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-12 21:08:46,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-12 21:08:46,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:46,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:08:46,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:08:46,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-12 21:08:46,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:47,090 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-12 21:08:47,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:08:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:47,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:47,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:47,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:47,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:47,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 21:08:47,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:47,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:47,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:47,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:08:47,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:47,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:08:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:47,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:47,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:47,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:08:47,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:47,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:08:47,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:47,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:47,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:47,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:08:47,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:47,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:08:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:47,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:47,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:47,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:08:47,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:47,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 21:08:47,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:47,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:47,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:47,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:08:47,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 21:08:47,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:08:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:47,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:47,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:47,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:08:47,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:47,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 21:08:47,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:47,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:08:47,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:47,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:08:47,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:47,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 21:08:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:47,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:47,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:47,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 21:08:47,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:47,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 21:08:47,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:47,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:47,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:08:47,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 21:08:47,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:47,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 21:08:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:47,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:47,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:47,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:47,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:47,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-12 21:08:47,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:08:47,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 376 [2020-10-12 21:08:47,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:47,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:08:47,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-12 21:08:47,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:08:47,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:48,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:08:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:48,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:48,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:48,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:48,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:48,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:48,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:48,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:48,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:48,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:48,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:48,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:08:48,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:48,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:48,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:48,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:48,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:48,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:48,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:48,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:48,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:48,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:48,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:48,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:08:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:48,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:48,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:48,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:48,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:48,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:48,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:48,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:48,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:48,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:48,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:48,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:08:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:48,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:48,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:48,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:48,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:48,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:48,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:48,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:48,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:48,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:48,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:48,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:08:48,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:48,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:48,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:48,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:48,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:48,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:48,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:48,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:48,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:48,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:48,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:48,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:08:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:48,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:48,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:48,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:48,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:48,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:48,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:48,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:48,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:48,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:48,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:48,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:08:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:48,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:48,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:48,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:48,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:48,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:48,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:48,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:48,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:48,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:48,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:48,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:08:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:48,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:48,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:48,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:48,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:48,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:48,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:48,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:48,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:48,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:48,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:48,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:08:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:48,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:48,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:48,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:48,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:48,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:48,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:48,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:48,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:48,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:48,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:48,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:08:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:48,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:48,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:48,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:48,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:48,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:48,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:48,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:48,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:48,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:48,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:48,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:08:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:48,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:48,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:48,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:48,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:48,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:48,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:48,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:48,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:48,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:48,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:48,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:08:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:48,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:48,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:48,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:48,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:48,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:08:48,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:48,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:48,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:48,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:48,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:08:48,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:08:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:48,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:48,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:48,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:08:48,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:48,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:08:48,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:48,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:08:48,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:08:48,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:08:48,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:48,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-12 21:08:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:48,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:48,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:48,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 21:08:48,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:48,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:08:48,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:48,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:48,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:08:48,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:48,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:48,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-12 21:08:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:08:48,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:08:48,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:08:48,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:08:48,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:08:48,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:08:48,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:08:48,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:08:48,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:08:48,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:08:48,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:08:48,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:08:48,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1150114866] [2020-10-12 21:08:48,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:08:48,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:08:48,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200729442] [2020-10-12 21:08:48,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:08:48,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:08:48,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:08:48,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:08:48,278 INFO L87 Difference]: Start difference. First operand 1227 states and 1735 transitions. Second operand 14 states. [2020-10-12 21:08:48,539 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-12 21:08:51,499 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-12 21:08:51,773 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-12 21:08:52,075 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-12 21:08:52,217 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 21:08:52,504 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-12 21:08:52,635 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 21:08:54,953 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-12 21:08:55,820 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 21:08:57,051 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-12 21:08:57,306 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-12 21:08:57,702 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-12 21:08:57,857 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 21:08:58,137 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-12 21:09:01,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:09:01,700 INFO L93 Difference]: Finished difference Result 3479 states and 5157 transitions. [2020-10-12 21:09:01,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-12 21:09:01,701 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 231 [2020-10-12 21:09:01,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:09:01,717 INFO L225 Difference]: With dead ends: 3479 [2020-10-12 21:09:01,717 INFO L226 Difference]: Without dead ends: 2282 [2020-10-12 21:09:01,723 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=302, Invalid=888, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 21:09:01,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2282 states. [2020-10-12 21:09:01,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2282 to 1529. [2020-10-12 21:09:01,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1529 states. [2020-10-12 21:09:01,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1529 states and 2096 transitions. [2020-10-12 21:09:01,958 INFO L78 Accepts]: Start accepts. Automaton has 1529 states and 2096 transitions. Word has length 231 [2020-10-12 21:09:01,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:09:01,958 INFO L479 AbstractCegarLoop]: Abstraction has 1529 states and 2096 transitions. [2020-10-12 21:09:01,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:09:01,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 2096 transitions. [2020-10-12 21:09:01,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-12 21:09:01,962 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:09:01,962 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:09:01,962 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 21:09:01,963 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:09:01,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:09:01,963 INFO L82 PathProgramCache]: Analyzing trace with hash -466999023, now seen corresponding path program 1 times [2020-10-12 21:09:01,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:09:01,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [34610796] [2020-10-12 21:09:01,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:09:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:02,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:02,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:02,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:02,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:02,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:02,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:02,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:02,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:02,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:02,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:03,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:03,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:03,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:03,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:03,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:03,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:03,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:03,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:03,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:03,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:03,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:03,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:03,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:03,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:03,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:04,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:04,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:05,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:07,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:07,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-12 21:09:07,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-12 21:09:07,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-12 21:09:07,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:07,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:09:07,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:09:07,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 21:09:07,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:07,325 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-12 21:09:07,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:09:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:07,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:07,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:07,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:07,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:07,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 21:09:07,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:07,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:07,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:07,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:09:07,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:09:07,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:09:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:07,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:07,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:07,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:07,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:07,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:09:07,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:07,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:07,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:07,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:09:07,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:07,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:09:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:07,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:07,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:07,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:09:07,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:07,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:09:07,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:07,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:07,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:07,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:09:07,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:07,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:09:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:07,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:07,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:07,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:09:07,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:07,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:09:07,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:07,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:07,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:07,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:09:07,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:07,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 21:09:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:07,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:07,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:07,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 21:09:07,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:07,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 21:09:07,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:07,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:07,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:09:07,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 21:09:07,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:07,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 21:09:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:07,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:07,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:07,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:07,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-12 21:09:07,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:09:07,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-12 21:09:07,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:07,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:09:07,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-12 21:09:07,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:09:07,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:07,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:09:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:07,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:07,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:07,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:07,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:07,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:07,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:07,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:07,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:07,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:07,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:07,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:09:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:07,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:07,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:07,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:07,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:07,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:07,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:07,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:07,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:07,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:07,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:07,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:09:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:07,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:07,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:07,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:07,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:07,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:07,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:07,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:07,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:07,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:07,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:07,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:09:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:07,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:07,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:07,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:07,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:07,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:07,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:07,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:07,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:07,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:07,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:07,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:09:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:07,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:07,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:07,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:07,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:07,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:07,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:07,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:07,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:07,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:07,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:07,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:09:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:07,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:07,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:07,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:07,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:07,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:09:07,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:07,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:07,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:07,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:09:07,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:07,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:09:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:07,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:07,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:07,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:07,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:07,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:09:07,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:07,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:07,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:07,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:07,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:07,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:09:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:07,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:07,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:07,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:07,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:07,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:07,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:07,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:07,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:07,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:07,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:07,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:09:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:07,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:07,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:07,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:07,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:07,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:07,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:07,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:07,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:07,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:07,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:07,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:09:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:07,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:07,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:07,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:07,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:07,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:07,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:07,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:07,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:07,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:07,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:07,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:09:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:07,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:07,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:07,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:07,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:07,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:09:07,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:07,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:07,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:07,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:07,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:07,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:09:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:07,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:07,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:07,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:07,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:07,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:07,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:07,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:07,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:07,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:07,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:07,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:09:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:07,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:07,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:07,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:07,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:07,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:07,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:07,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:07,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:07,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:07,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:07,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-12 21:09:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:07,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:07,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:07,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 21:09:07,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:07,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:09:07,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:07,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:07,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:09:07,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:07,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:07,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-12 21:09:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:07,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:07,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:07,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:09:07,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:07,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:07,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:07,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:07,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:09:07,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:07,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:07,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:09:07,997 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [34610796] [2020-10-12 21:09:07,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:09:07,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:09:07,998 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419529221] [2020-10-12 21:09:07,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:09:07,998 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:09:07,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:09:07,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:09:07,999 INFO L87 Difference]: Start difference. First operand 1529 states and 2096 transitions. Second operand 13 states. [2020-10-12 21:09:08,274 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-12 21:09:08,404 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 21:09:08,594 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 21:09:10,478 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-12 21:09:10,742 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-12 21:09:10,920 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 21:09:11,193 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-12 21:09:11,327 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 21:09:11,596 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-12 21:09:20,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:09:20,403 INFO L93 Difference]: Finished difference Result 3833 states and 5562 transitions. [2020-10-12 21:09:20,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:09:20,403 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 231 [2020-10-12 21:09:20,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:09:20,418 INFO L225 Difference]: With dead ends: 3833 [2020-10-12 21:09:20,418 INFO L226 Difference]: Without dead ends: 2334 [2020-10-12 21:09:20,426 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:09:20,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2334 states. [2020-10-12 21:09:20,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2334 to 1539. [2020-10-12 21:09:20,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1539 states. [2020-10-12 21:09:20,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 1539 states and 2095 transitions. [2020-10-12 21:09:20,707 INFO L78 Accepts]: Start accepts. Automaton has 1539 states and 2095 transitions. Word has length 231 [2020-10-12 21:09:20,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:09:20,707 INFO L479 AbstractCegarLoop]: Abstraction has 1539 states and 2095 transitions. [2020-10-12 21:09:20,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:09:20,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1539 states and 2095 transitions. [2020-10-12 21:09:20,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-12 21:09:20,710 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:09:20,711 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:09:20,711 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 21:09:20,711 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:09:20,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:09:20,712 INFO L82 PathProgramCache]: Analyzing trace with hash 2133568595, now seen corresponding path program 1 times [2020-10-12 21:09:20,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:09:20,712 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2060176040] [2020-10-12 21:09:20,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:09:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:20,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:20,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:20,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:20,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:21,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:21,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:21,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:21,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:21,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:21,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:21,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:21,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:21,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:21,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:21,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:21,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:21,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:21,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:21,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:21,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:21,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:22,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:22,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:22,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:22,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:22,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:22,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:22,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:22,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:23,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:25,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:25,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-12 21:09:25,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 30 [2020-10-12 21:09:25,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-12 21:09:25,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:25,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:09:25,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:09:25,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-12 21:09:25,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:26,038 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-12 21:09:26,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:09:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:26,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:26,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:26,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:26,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:26,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 21:09:26,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:26,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:26,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:26,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:09:26,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:26,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:09:26,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:26,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:26,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:26,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:26,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:26,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:09:26,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:26,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:26,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:26,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:09:26,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:26,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:09:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:26,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:26,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:26,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:09:26,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:26,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:26,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:26,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:26,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:26,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:09:26,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:26,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:09:26,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:26,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:26,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:26,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:09:26,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:26,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:09:26,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:26,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:26,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:26,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:09:26,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:26,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 21:09:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:26,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:26,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:26,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 21:09:26,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:26,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 21:09:26,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:26,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:26,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:09:26,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 21:09:26,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:26,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 21:09:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:26,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:26,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:26,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-12 21:09:26,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:26,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 21:09:26,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:26,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:26,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-12 21:09:26,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:26,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:26,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:09:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:26,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:26,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:26,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:26,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:26,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:26,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:26,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:26,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:26,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:26,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:26,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:09:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:26,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:26,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:26,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:26,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:26,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:26,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:26,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:26,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:26,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:26,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:26,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:09:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:26,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:26,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:26,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:26,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:26,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:26,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:26,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:26,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:26,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:26,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:26,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:09:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:26,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:26,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:26,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:26,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:26,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:26,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:26,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:26,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:26,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:26,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:26,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:09:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:26,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:26,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:26,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:26,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:26,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:26,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:26,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:26,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:26,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:26,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:26,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:09:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:26,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:26,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:26,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:26,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:26,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:26,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:26,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:26,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:26,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:26,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:26,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:09:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:26,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:26,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:26,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:26,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:26,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:26,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:26,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:26,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:26,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:26,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:26,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:09:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:26,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:26,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:26,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:26,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:26,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:26,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:26,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:26,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:26,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:26,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:26,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:09:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:26,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:26,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:26,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:26,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:26,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:26,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:26,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:26,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:26,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:26,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:26,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:09:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:26,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:26,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:26,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:26,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:26,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:26,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:26,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:26,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:26,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:26,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:26,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:09:26,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:26,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:26,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:26,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:26,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:26,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:26,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:26,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:26,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:26,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:26,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:26,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:09:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:26,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:26,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:26,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:26,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:26,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:26,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:26,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:26,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:26,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:26,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:26,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:09:26,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:26,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:26,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:26,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:26,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:26,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:26,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:26,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:26,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:26,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:26,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:26,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-12 21:09:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:26,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:26,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:26,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 21:09:26,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:26,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:09:26,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:26,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:26,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:09:26,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:26,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:26,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-12 21:09:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:26,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:26,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:26,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:09:26,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:26,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:26,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:26,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:26,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:09:26,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:26,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:26,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:09:26,478 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2060176040] [2020-10-12 21:09:26,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:09:26,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:09:26,479 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701030391] [2020-10-12 21:09:26,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:09:26,480 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:09:26,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:09:26,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:09:26,480 INFO L87 Difference]: Start difference. First operand 1539 states and 2095 transitions. Second operand 10 states. [2020-10-12 21:09:26,743 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-12 21:09:26,868 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 21:09:27,047 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 21:09:31,117 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-12 21:09:31,474 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 21:09:36,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:09:36,257 INFO L93 Difference]: Finished difference Result 4296 states and 6260 transitions. [2020-10-12 21:09:36,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:09:36,259 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 231 [2020-10-12 21:09:36,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:09:36,274 INFO L225 Difference]: With dead ends: 4296 [2020-10-12 21:09:36,274 INFO L226 Difference]: Without dead ends: 2787 [2020-10-12 21:09:36,281 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2020-10-12 21:09:36,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2787 states. [2020-10-12 21:09:36,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2787 to 1831. [2020-10-12 21:09:36,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1831 states. [2020-10-12 21:09:36,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1831 states and 2442 transitions. [2020-10-12 21:09:36,676 INFO L78 Accepts]: Start accepts. Automaton has 1831 states and 2442 transitions. Word has length 231 [2020-10-12 21:09:36,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:09:36,677 INFO L479 AbstractCegarLoop]: Abstraction has 1831 states and 2442 transitions. [2020-10-12 21:09:36,677 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:09:36,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 2442 transitions. [2020-10-12 21:09:36,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-12 21:09:36,681 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:09:36,681 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:09:36,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 21:09:36,682 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:09:36,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:09:36,682 INFO L82 PathProgramCache]: Analyzing trace with hash -163495946, now seen corresponding path program 1 times [2020-10-12 21:09:36,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:09:36,683 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [906942755] [2020-10-12 21:09:36,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:09:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:36,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:36,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:36,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:36,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:36,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:37,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:37,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:37,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:37,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:37,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:37,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:37,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:37,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:37,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:37,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:37,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:37,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:37,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:37,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:37,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:37,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:37,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:37,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:37,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:37,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:38,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:38,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:39,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:41,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:41,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-12 21:09:41,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-12 21:09:41,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-12 21:09:41,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:41,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:09:41,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:09:41,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-12 21:09:41,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:41,992 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-12 21:09:41,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:09:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:42,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:42,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:42,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:42,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:42,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:09:42,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:42,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:42,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:42,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:09:42,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:42,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:09:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:42,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:42,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:42,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:09:42,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:42,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:09:42,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:42,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:42,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:42,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:09:42,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:42,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:09:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:42,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:42,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:42,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:09:42,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:42,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:42,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:42,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:42,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:42,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:09:42,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:42,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:09:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:42,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:42,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:42,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:09:42,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:42,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:09:42,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:42,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:09:42,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:42,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:09:42,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:42,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 21:09:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:42,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:42,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:42,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 21:09:42,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:42,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 21:09:42,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:42,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:42,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:09:42,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 21:09:42,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:42,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 21:09:42,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:42,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:42,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:42,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:42,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-12 21:09:42,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:09:42,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-12 21:09:42,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:42,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:09:42,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-12 21:09:42,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:09:42,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:42,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:09:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:42,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:42,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:42,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:42,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:42,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:42,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:42,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:42,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:42,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:42,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:42,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:09:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:42,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:42,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:42,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:42,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:42,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:42,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:42,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:42,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:42,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:42,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:42,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:09:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:42,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:42,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:42,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:42,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:42,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:42,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:42,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:42,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:42,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:42,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:42,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:09:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:42,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:42,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:42,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:42,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:42,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:42,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:42,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:42,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:42,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:42,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:42,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:09:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:42,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:42,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:42,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:42,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:42,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:42,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:42,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:42,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:42,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:42,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:42,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:09:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:42,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:42,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:42,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:42,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:42,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:42,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:42,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:42,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:42,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:42,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:42,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:09:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:42,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:42,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:42,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:42,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:42,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:42,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:42,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:42,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:42,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:42,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:42,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:09:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:42,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:42,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:42,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:42,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:42,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:42,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:42,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:42,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:42,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:42,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:42,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:09:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:42,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:42,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:42,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:42,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:42,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:42,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:42,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:42,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:42,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:42,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:42,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:09:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:42,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:42,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:42,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:42,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:42,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:42,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:42,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:42,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:42,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:42,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:42,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:09:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:42,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:42,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:42,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:42,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:42,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:42,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:42,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:42,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:42,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:42,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:42,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:09:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:42,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:42,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:42,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:42,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:42,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:09:42,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:42,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:09:42,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:09:42,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:09:42,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:42,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:09:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:42,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:42,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:42,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:09:42,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:42,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:09:42,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:42,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:42,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:09:42,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:42,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:42,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-12 21:09:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:42,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:42,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:42,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 21:09:42,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:42,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:09:42,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:42,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:42,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:09:42,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:42,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:42,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-12 21:09:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:42,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:42,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:09:42,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:09:42,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:09:42,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:09:42,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:09:42,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:09:42,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:09:42,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:09:42,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:09:42,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:09:42,574 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [906942755] [2020-10-12 21:09:42,575 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:09:42,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:09:42,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239719532] [2020-10-12 21:09:42,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:09:42,576 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:09:42,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:09:42,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:09:42,576 INFO L87 Difference]: Start difference. First operand 1831 states and 2442 transitions. Second operand 14 states. [2020-10-12 21:09:42,845 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-12 21:09:42,978 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 21:09:43,174 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 21:09:45,690 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-12 21:09:45,953 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-12 21:09:46,098 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 21:09:46,364 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-12 21:09:46,494 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 21:09:46,756 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-12 21:09:49,711 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-12 21:09:49,978 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 21:09:51,214 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-12 21:09:51,490 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-12 21:09:51,665 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 21:09:51,941 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-12 21:09:52,091 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 21:09:52,360 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-12 21:09:57,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:09:57,070 INFO L93 Difference]: Finished difference Result 4996 states and 7129 transitions. [2020-10-12 21:09:57,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-12 21:09:57,071 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 231 [2020-10-12 21:09:57,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:09:57,087 INFO L225 Difference]: With dead ends: 4996 [2020-10-12 21:09:57,087 INFO L226 Difference]: Without dead ends: 3195 [2020-10-12 21:09:57,096 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=328, Invalid=1004, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 21:09:57,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3195 states. [2020-10-12 21:09:57,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3195 to 2133. [2020-10-12 21:09:57,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2133 states. [2020-10-12 21:09:57,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 2787 transitions. [2020-10-12 21:09:57,444 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 2787 transitions. Word has length 231 [2020-10-12 21:09:57,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:09:57,445 INFO L479 AbstractCegarLoop]: Abstraction has 2133 states and 2787 transitions. [2020-10-12 21:09:57,445 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:09:57,445 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2787 transitions. [2020-10-12 21:09:57,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-12 21:09:57,448 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:09:57,449 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:09:57,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 21:09:57,449 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:09:57,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:09:57,449 INFO L82 PathProgramCache]: Analyzing trace with hash 767704241, now seen corresponding path program 1 times [2020-10-12 21:09:57,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:09:57,450 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1947251508] [2020-10-12 21:09:57,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:09:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:09:57,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:57,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:57,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:57,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:57,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:57,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:57,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:57,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:57,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:58,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:58,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:58,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:58,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:58,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:58,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:58,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:58,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:58,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:58,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:58,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:58,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:58,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:58,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:09:59,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:02,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:02,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:02,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:02,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:02,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-12 21:10:02,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-12 21:10:02,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-12 21:10:02,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:02,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:10:02,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:10:02,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-12 21:10:02,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:02,728 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-12 21:10:02,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:10:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:02,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:02,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:02,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:02,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:02,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:10:02,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:02,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:02,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:02,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:10:02,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:02,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:10:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:02,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:02,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:02,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:02,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:02,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:10:02,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:02,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:02,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:02,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:10:02,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:02,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:10:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:02,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:02,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:02,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:10:02,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:02,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:02,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:02,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:02,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:02,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:10:02,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:02,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:10:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:02,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:02,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:02,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:10:02,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:02,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:10:02,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:02,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:02,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:02,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:10:02,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:02,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 21:10:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:02,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:02,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:02,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 21:10:02,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:02,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:10:02,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:02,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:10:02,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:10:02,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 21:10:02,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:02,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 21:10:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:02,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:02,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:03,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:03,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-12 21:10:03,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:10:03,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-12 21:10:03,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:03,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:10:03,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:03,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:10:03,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:03,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:10:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:03,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:03,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:03,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:03,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:03,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:10:03,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:03,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:10:03,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:03,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:10:03,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:03,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:10:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:03,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:03,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:03,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:03,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:03,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:10:03,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:03,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:03,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:03,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:03,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:03,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:10:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:03,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:03,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:03,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:03,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:03,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:03,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:03,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:03,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:03,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:03,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:03,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:10:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:03,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:03,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:03,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:03,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:03,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:03,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:03,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:03,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:03,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:03,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:03,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:10:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:03,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:03,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:03,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:03,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:03,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:03,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:03,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:03,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:03,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:03,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:03,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:10:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:03,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:03,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:03,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:03,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:03,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:03,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:03,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:03,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:03,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:03,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:03,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:10:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:03,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:03,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:03,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:03,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:03,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:03,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:03,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:03,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:03,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:03,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:03,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:10:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:03,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:03,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:03,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:03,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:03,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:03,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:03,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:03,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:03,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:03,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:03,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:10:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:03,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:03,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:03,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:03,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:03,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:03,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:03,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:03,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:03,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:03,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:03,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:10:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:03,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:03,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:03,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:03,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:03,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:03,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:03,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:03,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:03,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:03,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:03,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:10:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:03,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:03,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:03,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:03,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:03,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:03,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:03,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:03,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:03,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:03,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:03,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:10:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:03,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:03,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:03,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:03,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:03,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:03,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:03,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:03,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:03,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:03,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:03,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:10:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:03,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:03,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:03,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:03,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:03,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:03,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:03,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:03,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:03,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:03,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:03,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-12 21:10:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:03,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:03,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:03,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 21:10:03,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:03,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:10:03,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:03,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:03,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:10:03,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:03,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:03,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-12 21:10:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:03,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:03,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:03,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:10:03,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:03,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:03,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:03,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:03,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:10:03,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:03,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:03,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:10:03,266 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1947251508] [2020-10-12 21:10:03,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:10:03,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:10:03,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495747914] [2020-10-12 21:10:03,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:10:03,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:10:03,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:10:03,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:10:03,268 INFO L87 Difference]: Start difference. First operand 2133 states and 2787 transitions. Second operand 13 states. [2020-10-12 21:10:03,538 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-12 21:10:03,669 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 21:10:05,127 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-12 21:10:05,411 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-12 21:10:05,677 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-12 21:10:05,923 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-12 21:10:06,116 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 21:10:13,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:10:13,867 INFO L93 Difference]: Finished difference Result 5225 states and 7195 transitions. [2020-10-12 21:10:13,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 21:10:13,870 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 231 [2020-10-12 21:10:13,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:10:13,891 INFO L225 Difference]: With dead ends: 5225 [2020-10-12 21:10:13,891 INFO L226 Difference]: Without dead ends: 3122 [2020-10-12 21:10:13,899 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2020-10-12 21:10:13,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3122 states. [2020-10-12 21:10:14,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3122 to 2143. [2020-10-12 21:10:14,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2143 states. [2020-10-12 21:10:14,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2143 states to 2143 states and 2782 transitions. [2020-10-12 21:10:14,291 INFO L78 Accepts]: Start accepts. Automaton has 2143 states and 2782 transitions. Word has length 231 [2020-10-12 21:10:14,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:10:14,291 INFO L479 AbstractCegarLoop]: Abstraction has 2143 states and 2782 transitions. [2020-10-12 21:10:14,291 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:10:14,291 INFO L276 IsEmpty]: Start isEmpty. Operand 2143 states and 2782 transitions. [2020-10-12 21:10:14,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-12 21:10:14,293 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:10:14,294 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:10:14,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 21:10:14,294 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:10:14,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:10:14,294 INFO L82 PathProgramCache]: Analyzing trace with hash 2104543407, now seen corresponding path program 1 times [2020-10-12 21:10:14,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:10:14,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [12148861] [2020-10-12 21:10:14,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:10:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:14,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:14,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:14,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:14,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:14,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:14,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:14,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:14,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:14,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:14,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:14,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:15,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:15,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:15,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:15,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:15,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:15,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:15,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:15,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:15,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:15,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:15,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:15,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:16,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:19,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:19,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-12 21:10:19,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-12 21:10:19,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-12 21:10:19,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:19,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:10:19,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:10:19,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-12 21:10:19,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:19,590 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-12 21:10:19,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:10:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:19,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:19,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:19,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:19,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:19,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:10:19,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:19,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:19,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:19,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:10:19,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:19,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:10:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:19,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:19,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:19,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:19,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:19,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:10:19,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:19,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:19,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:19,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:10:19,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:19,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:10:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:19,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:19,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:19,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:10:19,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:19,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:19,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:19,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:19,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:19,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:10:19,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:19,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:10:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:19,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:19,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:19,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:10:19,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:19,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:10:19,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:19,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:19,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:19,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:10:19,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:19,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 21:10:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:19,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:19,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:19,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 21:10:19,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:19,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 21:10:19,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:19,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:10:19,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:10:19,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 21:10:19,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:19,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 21:10:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:19,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:19,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:19,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-12 21:10:19,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:19,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 21:10:19,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:19,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:19,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-12 21:10:19,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:19,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:19,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:10:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:19,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:19,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:19,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:19,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:19,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:19,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:19,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:19,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:19,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:19,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:19,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:10:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:19,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:19,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:19,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:19,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:19,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:19,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:19,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:19,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:19,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:19,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:19,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:10:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:19,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:19,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:19,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:19,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:19,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:19,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:19,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:19,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:19,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:19,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:19,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:10:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:19,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:19,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:19,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:19,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:19,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:19,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:19,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:19,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:19,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:19,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:19,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:10:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:19,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:19,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:19,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:19,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:19,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:19,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:19,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:19,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:19,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:19,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:19,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:10:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:19,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:19,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:19,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:19,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:19,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:19,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:19,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:19,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:19,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:19,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:19,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:10:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:19,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:19,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:19,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:19,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:19,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:19,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:19,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:19,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:19,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:19,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:19,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:10:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:19,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:19,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:19,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:19,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:19,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:19,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:19,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:19,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:19,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:19,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:19,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:10:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:19,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:19,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:19,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:19,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:19,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:19,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:19,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:19,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:19,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:19,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:19,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:10:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:19,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:19,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:19,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:19,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:19,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:19,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:19,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:19,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:19,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:19,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:19,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:10:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:19,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:19,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:19,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:19,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:19,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:19,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:19,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:19,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:19,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:19,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:19,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:10:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:19,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:19,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:19,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:19,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:19,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:19,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:19,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:19,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:19,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:19,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:19,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:10:19,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:19,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:19,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:19,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:19,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:19,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:19,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:19,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:19,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:19,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:19,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:19,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-12 21:10:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:19,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:19,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:19,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 21:10:19,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:19,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:10:19,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:19,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:19,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:10:19,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:19,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:19,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-12 21:10:19,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:19,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:19,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:19,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:10:19,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:19,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:19,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:19,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:19,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:10:19,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:19,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:20,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:10:20,025 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [12148861] [2020-10-12 21:10:20,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:10:20,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:10:20,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96809250] [2020-10-12 21:10:20,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:10:20,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:10:20,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:10:20,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:10:20,027 INFO L87 Difference]: Start difference. First operand 2143 states and 2782 transitions. Second operand 9 states. [2020-10-12 21:10:20,280 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-12 21:10:20,404 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 21:10:25,153 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-12 21:10:28,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:10:28,820 INFO L93 Difference]: Finished difference Result 5679 states and 7726 transitions. [2020-10-12 21:10:28,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 21:10:28,820 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 231 [2020-10-12 21:10:28,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:10:28,835 INFO L225 Difference]: With dead ends: 5679 [2020-10-12 21:10:28,836 INFO L226 Difference]: Without dead ends: 3566 [2020-10-12 21:10:28,842 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2020-10-12 21:10:28,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3566 states. [2020-10-12 21:10:29,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3566 to 2435. [2020-10-12 21:10:29,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2435 states. [2020-10-12 21:10:29,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2435 states to 2435 states and 3117 transitions. [2020-10-12 21:10:29,242 INFO L78 Accepts]: Start accepts. Automaton has 2435 states and 3117 transitions. Word has length 231 [2020-10-12 21:10:29,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:10:29,242 INFO L479 AbstractCegarLoop]: Abstraction has 2435 states and 3117 transitions. [2020-10-12 21:10:29,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:10:29,242 INFO L276 IsEmpty]: Start isEmpty. Operand 2435 states and 3117 transitions. [2020-10-12 21:10:29,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-12 21:10:29,251 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:10:29,252 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:10:29,252 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 21:10:29,253 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:10:29,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:10:29,253 INFO L82 PathProgramCache]: Analyzing trace with hash -497992916, now seen corresponding path program 1 times [2020-10-12 21:10:29,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:10:29,253 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [806511353] [2020-10-12 21:10:29,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:10:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:29,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:29,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:29,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:29,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:29,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:29,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:29,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:29,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:29,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:29,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:30,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:30,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:30,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:30,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:30,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:30,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:30,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:30,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:30,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:30,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:30,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:30,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:30,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:33,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:34,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:34,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-12 21:10:34,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-12 21:10:34,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-12 21:10:34,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:34,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:10:34,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:10:34,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 21:10:34,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:34,564 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-12 21:10:34,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:10:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:34,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:34,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:34,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:34,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:34,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:10:34,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:34,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:34,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:34,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:10:34,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:34,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:10:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:34,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:34,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:34,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:34,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:34,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:10:34,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:34,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:34,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:34,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:10:34,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:34,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:10:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:34,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:34,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:34,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:10:34,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:34,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:34,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:34,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:34,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:34,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:10:34,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:34,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:10:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:34,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:34,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:34,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:10:34,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:34,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:10:34,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:34,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:34,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:34,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:10:34,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:34,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 21:10:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:34,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:34,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:34,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 21:10:34,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:34,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 21:10:34,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:34,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:10:34,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:10:34,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 21:10:34,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:34,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 21:10:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:34,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:34,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:34,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:34,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-12 21:10:34,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:10:34,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-12 21:10:34,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:34,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:10:34,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-12 21:10:34,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:10:34,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:34,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:10:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:34,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:34,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:34,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:34,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:34,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:34,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:34,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:34,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:34,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:34,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:34,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:10:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:34,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:34,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:34,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:34,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:34,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:34,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:34,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:34,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:34,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:34,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:34,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:10:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:34,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:34,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:34,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:34,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:34,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:34,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:34,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:34,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:34,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:34,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:34,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:10:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:34,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:34,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:34,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:34,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:34,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:34,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:34,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:34,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:34,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:34,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:34,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:10:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:34,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:34,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:34,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:34,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:34,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:34,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:34,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:34,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:34,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:34,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:34,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:10:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:34,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:34,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:34,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:34,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:34,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:34,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:34,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:34,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:34,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:34,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:34,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:10:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:34,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:34,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:34,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:34,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:34,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:34,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:34,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:34,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:34,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:34,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:34,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:10:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:34,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:34,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:34,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:34,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:34,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:34,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:34,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:34,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:34,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:34,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:34,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:10:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:34,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:34,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:34,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:34,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:34,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:10:34,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:34,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:10:34,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:34,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:10:34,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:34,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:10:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:34,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:34,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:34,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:34,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:34,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:34,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:34,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:34,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:34,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:34,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:34,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:10:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:34,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:34,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:34,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:34,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:34,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:34,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:34,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:34,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:34,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:34,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:34,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:10:34,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:34,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:34,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:34,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:34,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:34,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:34,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:34,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:34,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:34,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:34,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:34,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:10:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:34,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:34,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:34,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:34,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:34,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:34,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:34,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:34,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:34,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:34,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:34,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-12 21:10:34,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:34,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:34,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:34,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 21:10:34,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:34,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:10:34,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:34,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:34,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:10:34,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:34,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:34,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-12 21:10:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:34,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:34,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:34,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:10:34,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:34,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:34,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:34,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:34,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:10:34,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:34,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:35,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:10:35,038 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [806511353] [2020-10-12 21:10:35,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:10:35,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:10:35,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168352799] [2020-10-12 21:10:35,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:10:35,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:10:35,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:10:35,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:10:35,040 INFO L87 Difference]: Start difference. First operand 2435 states and 3117 transitions. Second operand 13 states. [2020-10-12 21:10:35,306 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-12 21:10:35,447 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 21:10:35,624 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 21:10:37,715 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-12 21:10:37,997 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-12 21:10:38,267 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-12 21:10:38,471 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 21:10:38,732 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-12 21:10:38,860 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 21:10:43,023 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-12 21:10:43,281 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-12 21:10:43,676 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-12 21:10:43,806 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 21:10:44,057 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-12 21:10:48,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:10:48,240 INFO L93 Difference]: Finished difference Result 6243 states and 8403 transitions. [2020-10-12 21:10:48,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 21:10:48,241 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 231 [2020-10-12 21:10:48,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:10:48,253 INFO L225 Difference]: With dead ends: 6243 [2020-10-12 21:10:48,253 INFO L226 Difference]: Without dead ends: 3838 [2020-10-12 21:10:48,260 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=262, Invalid=860, Unknown=0, NotChecked=0, Total=1122 [2020-10-12 21:10:48,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3838 states. [2020-10-12 21:10:48,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3838 to 2737. [2020-10-12 21:10:48,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2737 states. [2020-10-12 21:10:48,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2737 states and 3446 transitions. [2020-10-12 21:10:48,664 INFO L78 Accepts]: Start accepts. Automaton has 2737 states and 3446 transitions. Word has length 231 [2020-10-12 21:10:48,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:10:48,665 INFO L479 AbstractCegarLoop]: Abstraction has 2737 states and 3446 transitions. [2020-10-12 21:10:48,665 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:10:48,665 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 3446 transitions. [2020-10-12 21:10:48,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-12 21:10:48,667 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:10:48,667 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:10:48,667 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 21:10:48,667 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:10:48,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:10:48,668 INFO L82 PathProgramCache]: Analyzing trace with hash 2071293227, now seen corresponding path program 1 times [2020-10-12 21:10:48,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:10:48,668 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [377561872] [2020-10-12 21:10:48,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:10:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:48,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:48,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:49,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:49,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:49,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:49,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:49,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:49,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:49,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:49,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:49,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:49,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:49,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:49,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:49,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:49,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:49,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:49,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:52,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:52,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:53,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:53,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:53,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-12 21:10:53,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-12 21:10:53,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-12 21:10:53,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:53,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:10:53,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:10:53,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 21:10:53,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:54,011 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-12 21:10:54,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:10:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:54,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:54,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:54,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:54,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:10:54,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:54,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:54,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:54,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:10:54,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:54,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:10:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:54,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:54,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:10:54,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:54,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:10:54,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:54,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:54,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:54,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:10:54,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:54,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:10:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:54,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:54,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:10:54,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:54,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:54,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:54,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:54,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:54,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:10:54,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:54,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:10:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:54,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:54,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:10:54,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:54,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:10:54,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:54,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:10:54,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:54,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:10:54,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:54,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 21:10:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:54,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:54,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 21:10:54,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:54,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:10:54,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:54,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:10:54,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:10:54,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 21:10:54,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:54,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 21:10:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:54,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:54,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-12 21:10:54,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:10:54,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-12 21:10:54,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:54,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:10:54,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 21:10:54,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:10:54,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:54,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:10:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:54,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:54,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:54,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:54,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:54,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:54,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:54,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:54,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:54,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:54,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:10:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:54,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:54,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:54,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:54,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:54,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:54,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:54,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:54,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:54,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:54,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:10:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:54,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:54,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:54,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:54,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:10:54,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:54,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:54,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:54,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:54,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:54,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:10:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:54,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:54,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:54,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:54,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:54,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:54,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:54,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:54,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:54,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:54,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:10:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:54,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:54,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:54,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:54,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:10:54,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:54,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:10:54,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:10:54,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:10:54,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:54,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:10:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:54,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:54,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:54,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:54,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:54,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:54,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:54,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:54,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:54,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:54,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:10:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:54,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:54,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:54,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:54,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:54,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:54,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:54,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:54,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:54,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:54,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:10:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:54,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:54,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:54,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:54,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:54,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:54,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:54,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:54,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:54,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:54,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:10:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:54,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:54,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:54,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:54,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:54,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:54,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:54,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:54,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:54,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:54,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:10:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:54,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:54,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:54,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:54,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:54,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:54,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:54,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:54,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:54,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:54,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:10:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:54,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:54,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:54,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:54,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:54,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:54,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:54,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:54,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:54,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:54,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:10:54,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:54,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:54,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:54,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:54,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:54,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:54,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:54,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:54,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:54,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:54,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:10:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:54,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:54,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:10:54,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:54,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:54,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:54,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:54,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:10:54,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:54,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:54,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-12 21:10:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:54,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:54,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 21:10:54,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:54,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:10:54,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:54,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:54,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:10:54,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:54,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:54,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-12 21:10:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:10:54,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:10:54,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:10:54,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:10:54,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:10:54,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:10:54,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:10:54,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:10:54,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:10:54,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:10:54,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:10:54,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:10:54,556 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [377561872] [2020-10-12 21:10:54,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:10:54,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:10:54,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009789289] [2020-10-12 21:10:54,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:10:54,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:10:54,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:10:54,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:10:54,558 INFO L87 Difference]: Start difference. First operand 2737 states and 3446 transitions. Second operand 14 states. [2020-10-12 21:10:54,833 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-12 21:10:54,983 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 21:10:55,201 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 21:10:56,771 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-12 21:10:57,075 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-12 21:10:57,227 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-12 21:10:57,514 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-12 21:10:57,655 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-12 21:10:57,931 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-12 21:11:00,999 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-12 21:11:01,989 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-12 21:11:02,495 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-12 21:11:02,775 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-12 21:11:03,068 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-12 21:11:03,467 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-12 21:11:03,590 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 21:11:12,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:11:12,290 INFO L93 Difference]: Finished difference Result 10003 states and 13413 transitions. [2020-10-12 21:11:12,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-12 21:11:12,290 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 231 [2020-10-12 21:11:12,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:11:12,341 INFO L225 Difference]: With dead ends: 10003 [2020-10-12 21:11:12,342 INFO L226 Difference]: Without dead ends: 7296 [2020-10-12 21:11:12,352 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=299, Invalid=891, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 21:11:12,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7296 states. [2020-10-12 21:11:13,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7296 to 5335. [2020-10-12 21:11:13,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5335 states. [2020-10-12 21:11:13,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 6749 transitions. [2020-10-12 21:11:13,108 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 6749 transitions. Word has length 231 [2020-10-12 21:11:13,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:11:13,108 INFO L479 AbstractCegarLoop]: Abstraction has 5335 states and 6749 transitions. [2020-10-12 21:11:13,108 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:11:13,108 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 6749 transitions. [2020-10-12 21:11:13,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-12 21:11:13,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:11:13,110 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:11:13,110 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 21:11:13,110 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:11:13,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:11:13,111 INFO L82 PathProgramCache]: Analyzing trace with hash -360145617, now seen corresponding path program 1 times [2020-10-12 21:11:13,111 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:11:13,111 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1947767267] [2020-10-12 21:11:13,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:11:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:13,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:13,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:13,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:13,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:13,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:13,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:13,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:13,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:13,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:13,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:13,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:13,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:13,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:13,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:14,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:14,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:14,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:14,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:14,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:14,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:17,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:18,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:18,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-12 21:11:18,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-12 21:11:18,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-12 21:11:18,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:18,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:11:18,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:11:18,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-12 21:11:18,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:18,413 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-12 21:11:18,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:11:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:18,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:18,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:18,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:18,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:18,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:11:18,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:18,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:18,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:18,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:11:18,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:18,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:11:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:18,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:18,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:18,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:11:18,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:18,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:11:18,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:18,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:18,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:18,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:11:18,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:18,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:11:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:18,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:18,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:18,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:11:18,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:18,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:18,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:18,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:18,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:18,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:11:18,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:18,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:11:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:18,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:18,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:18,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 21:11:18,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:18,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:11:18,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:18,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:11:18,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:18,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 21:11:18,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:18,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 21:11:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:18,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:18,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:18,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 21:11:18,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:18,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 21:11:18,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:18,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:11:18,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:11:18,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 21:11:18,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:18,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 21:11:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:18,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:18,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:18,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-12 21:11:18,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:18,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 21:11:18,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:18,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:18,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-12 21:11:18,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:18,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:18,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:11:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:18,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:18,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:18,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:18,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:18,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:18,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:18,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:18,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:18,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:18,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:18,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:11:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:18,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:18,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:18,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:18,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:18,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:18,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:18,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:18,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:18,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:18,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:18,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:11:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:18,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:18,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:18,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:18,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:18,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:18,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:18,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:18,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:18,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:18,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:18,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:11:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:18,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:18,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:18,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:18,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:18,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:18,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:18,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:18,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:18,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:18,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:18,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:11:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:18,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:18,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:18,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:18,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:18,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:18,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:18,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:18,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:18,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:18,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:18,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:11:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:18,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:18,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:18,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:18,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:18,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:18,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:18,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:18,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:18,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:18,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:18,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:11:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:18,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:18,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:18,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:18,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:18,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:18,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:18,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:18,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:18,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:18,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:18,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:11:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:18,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:18,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:18,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:18,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:18,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:18,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:18,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:18,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:18,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:18,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:18,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:11:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:18,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:18,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:18,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:18,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:18,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:18,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:18,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:18,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:18,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:18,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:18,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:11:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:18,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:18,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:18,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:18,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:18,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:18,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:18,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:18,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:18,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:18,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:18,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:11:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:18,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:18,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:18,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:18,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:18,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:18,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:18,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:18,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:18,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:18,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:18,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:11:18,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:18,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:18,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:18,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:18,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:18,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:11:18,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:18,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:18,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:18,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:18,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:18,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 21:11:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:18,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:18,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:18,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:11:18,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:18,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:18,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:18,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:18,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:11:18,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:18,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:18,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-12 21:11:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:18,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:18,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:18,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 21:11:18,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:18,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:11:18,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:18,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:18,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:11:18,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:18,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:18,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-12 21:11:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:18,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:18,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:11:18,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:11:18,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:11:18,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:11:18,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:11:18,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:11:18,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:11:18,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:11:18,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:11:18,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:11:18,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1947767267] [2020-10-12 21:11:18,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:11:18,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:11:18,848 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640365538] [2020-10-12 21:11:18,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:11:18,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:11:18,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:11:18,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:11:18,849 INFO L87 Difference]: Start difference. First operand 5335 states and 6749 transitions. Second operand 10 states. [2020-10-12 21:11:19,169 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-12 21:11:19,479 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-12 21:11:23,044 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-12 21:11:23,899 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 21:11:33,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:11:33,446 INFO L93 Difference]: Finished difference Result 12622 states and 16505 transitions. [2020-10-12 21:11:33,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:11:33,447 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 231 [2020-10-12 21:11:33,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:11:33,471 INFO L225 Difference]: With dead ends: 12622 [2020-10-12 21:11:33,471 INFO L226 Difference]: Without dead ends: 7317 [2020-10-12 21:11:33,484 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2020-10-12 21:11:33,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7317 states. [2020-10-12 21:11:34,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7317 to 5335. [2020-10-12 21:11:34,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5335 states. [2020-10-12 21:11:34,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 6740 transitions. [2020-10-12 21:11:34,412 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 6740 transitions. Word has length 231 [2020-10-12 21:11:34,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:11:34,412 INFO L479 AbstractCegarLoop]: Abstraction has 5335 states and 6740 transitions. [2020-10-12 21:11:34,412 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:11:34,412 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 6740 transitions. [2020-10-12 21:11:34,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-12 21:11:34,414 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:11:34,414 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:11:34,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 21:11:34,415 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:11:34,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:11:34,415 INFO L82 PathProgramCache]: Analyzing trace with hash 375074603, now seen corresponding path program 1 times [2020-10-12 21:11:34,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:11:34,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [182560914] [2020-10-12 21:11:34,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:11:34,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:11:34,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:11:34,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking...