/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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.10.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 10:16:06,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 10:16:06,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 10:16:06,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 10:16:06,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 10:16:06,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 10:16:06,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 10:16:06,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 10:16:06,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 10:16:06,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 10:16:06,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 10:16:06,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 10:16:06,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 10:16:06,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 10:16:06,114 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 10:16:06,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 10:16:06,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 10:16:06,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 10:16:06,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 10:16:06,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 10:16:06,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 10:16:06,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 10:16:06,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 10:16:06,132 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 10:16:06,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 10:16:06,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 10:16:06,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 10:16:06,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 10:16:06,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 10:16:06,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 10:16:06,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 10:16:06,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 10:16:06,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 10:16:06,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 10:16:06,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 10:16:06,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 10:16:06,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 10:16:06,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 10:16:06,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 10:16:06,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 10:16:06,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 10:16:06,151 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 [2020-10-14 10:16:06,195 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 10:16:06,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 10:16:06,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 10:16:06,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 10:16:06,198 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 10:16:06,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 10:16:06,198 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 10:16:06,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 10:16:06,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 10:16:06,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 10:16:06,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 10:16:06,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 10:16:06,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 10:16:06,201 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 10:16:06,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 10:16:06,201 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 10:16:06,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 10:16:06,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 10:16:06,201 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 10:16:06,202 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 10:16:06,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 10:16:06,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 10:16:06,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 10:16:06,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 10:16:06,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 10:16:06,203 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 10:16:06,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 10:16:06,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 10:16:06,203 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 10:16:06,203 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 10:16:06,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 10:16:06,494 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 10:16:06,498 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 10:16:06,499 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 10:16:06,500 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 10:16:06,501 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.10.cil-2.c [2020-10-14 10:16:06,564 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8c03b6b9/a17b9e76993d468eb5be0dc6e70bfef5/FLAGf67713c62 [2020-10-14 10:16:07,049 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 10:16:07,050 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.10.cil-2.c [2020-10-14 10:16:07,067 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8c03b6b9/a17b9e76993d468eb5be0dc6e70bfef5/FLAGf67713c62 [2020-10-14 10:16:07,336 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8c03b6b9/a17b9e76993d468eb5be0dc6e70bfef5 [2020-10-14 10:16:07,346 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 10:16:07,347 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 10:16:07,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 10:16:07,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 10:16:07,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 10:16:07,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:16:07" (1/1) ... [2020-10-14 10:16:07,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5badac6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:16:07, skipping insertion in model container [2020-10-14 10:16:07,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:16:07" (1/1) ... [2020-10-14 10:16:07,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 10:16:07,419 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 10:16:07,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:16:07,747 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 10:16:07,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:16:07,945 INFO L208 MainTranslator]: Completed translation [2020-10-14 10:16:07,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:16:07 WrapperNode [2020-10-14 10:16:07,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 10:16:07,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 10:16:07,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 10:16:07,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 10:16:07,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:16:07" (1/1) ... [2020-10-14 10:16:07,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:16:07" (1/1) ... [2020-10-14 10:16:07,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:16:07" (1/1) ... [2020-10-14 10:16:07,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:16:07" (1/1) ... [2020-10-14 10:16:07,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:16:07" (1/1) ... [2020-10-14 10:16:08,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:16:07" (1/1) ... [2020-10-14 10:16:08,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:16:07" (1/1) ... [2020-10-14 10:16:08,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 10:16:08,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 10:16:08,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 10:16:08,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 10:16:08,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:16:07" (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 [2020-10-14 10:16:08,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 10:16:08,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 10:16:08,121 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-14 10:16:08,122 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-14 10:16:08,122 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-14 10:16:08,122 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-14 10:16:08,122 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-14 10:16:08,123 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-14 10:16:08,123 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-14 10:16:08,124 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-14 10:16:08,124 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-14 10:16:08,124 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-14 10:16:08,124 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-14 10:16:08,124 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-14 10:16:08,124 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-14 10:16:08,125 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-14 10:16:08,125 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-14 10:16:08,126 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-14 10:16:08,126 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-14 10:16:08,126 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-14 10:16:08,126 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-14 10:16:08,127 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-14 10:16:08,127 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-14 10:16:08,127 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-14 10:16:08,127 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-14 10:16:08,128 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-14 10:16:08,128 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-14 10:16:08,128 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-14 10:16:08,128 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-14 10:16:08,128 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-14 10:16:08,129 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-14 10:16:08,129 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-14 10:16:08,129 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-14 10:16:08,129 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-14 10:16:08,129 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-14 10:16:08,129 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-14 10:16:08,129 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-14 10:16:08,130 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-14 10:16:08,130 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 10:16:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 10:16:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-14 10:16:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-14 10:16:08,130 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-14 10:16:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-14 10:16:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-14 10:16:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-14 10:16:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-14 10:16:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-14 10:16:08,131 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-14 10:16:08,132 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-14 10:16:08,132 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-14 10:16:08,132 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-14 10:16:08,133 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-14 10:16:08,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 10:16:08,133 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-14 10:16:08,133 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-14 10:16:08,133 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-14 10:16:08,133 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-14 10:16:08,134 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-14 10:16:08,134 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-14 10:16:08,134 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-14 10:16:08,134 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-14 10:16:08,134 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-14 10:16:08,134 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-14 10:16:08,134 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-14 10:16:08,135 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-14 10:16:08,135 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-14 10:16:08,135 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-14 10:16:08,136 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-14 10:16:08,136 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-14 10:16:08,136 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-14 10:16:08,137 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-14 10:16:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-14 10:16:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-14 10:16:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-14 10:16:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-14 10:16:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-14 10:16:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 10:16:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 10:16:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 10:16:09,285 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 10:16:09,285 INFO L295 CfgBuilder]: Removed 13 assume(true) statements. [2020-10-14 10:16:09,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:16:09 BoogieIcfgContainer [2020-10-14 10:16:09,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 10:16:09,302 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 10:16:09,302 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 10:16:09,306 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 10:16:09,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:16:07" (1/3) ... [2020-10-14 10:16:09,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@242ea308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:16:09, skipping insertion in model container [2020-10-14 10:16:09,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:16:07" (2/3) ... [2020-10-14 10:16:09,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@242ea308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:16:09, skipping insertion in model container [2020-10-14 10:16:09,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:16:09" (3/3) ... [2020-10-14 10:16:09,313 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.10.cil-2.c [2020-10-14 10:16:09,324 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 10:16:09,345 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 10:16:09,359 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 10:16:09,390 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 10:16:09,390 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 10:16:09,390 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 10:16:09,390 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 10:16:09,391 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 10:16:09,391 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 10:16:09,391 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 10:16:09,391 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 10:16:09,419 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states. [2020-10-14 10:16:09,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-14 10:16:09,439 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:16:09,440 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] [2020-10-14 10:16:09,441 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:16:09,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:16:09,448 INFO L82 PathProgramCache]: Analyzing trace with hash 389771711, now seen corresponding path program 1 times [2020-10-14 10:16:09,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:16:09,457 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2022040529] [2020-10-14 10:16:09,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:16:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:09,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:10,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:10,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:10,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:10,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:10,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:14,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:14,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-14 10:16:14,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:16:14,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-14 10:16:14,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:14,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:14,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:14,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:16:14,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 10:16:14,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-14 10:16:15,156 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 10:16:15,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:16:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:15,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:15,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:15,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:16:15,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:15,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 10:16:15,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:15,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:15,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:15,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:15,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:15,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:15,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:16:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:15,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:15,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:15,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:16:15,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:15,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 10:16:15,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:15,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:15,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:16:15,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:15,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:16:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:15,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:15,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:15,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:16:15,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:15,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:16:15,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:15,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:15,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:15,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:15,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:16:15,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:15,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:16:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:15,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:15,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:15,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:16:15,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:15,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 10:16:15,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:15,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:15,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:15,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:16:15,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 10:16:15,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:15,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 10:16:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:15,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:15,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:15,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 10:16:15,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:15,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 10:16:15,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:15,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:15,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:15,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 10:16:15,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:15,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:15,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 10:16:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:15,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:15,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:15,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:15,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:15,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:20,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:20,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 10:16:20,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:16:20,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 10:16:20,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:20,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:20,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:20,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-14 10:16:20,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:20,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:20,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:16:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:20,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:20,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:20,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:20,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:20,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:16:20,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:20,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:20,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:20,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:20,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:20,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:20,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:16:20,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:20,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:20,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:20,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:20,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:20,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:20,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:20,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:20,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:20,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:20,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:20,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:20,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:16:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:20,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:20,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:20,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:20,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:20,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:20,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:20,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:20,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:20,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:20,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:20,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:20,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:16:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:20,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:20,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:20,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:20,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:20,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:20,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:20,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:20,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:20,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:20,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:20,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:20,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:16:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:20,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:20,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:20,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:20,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:20,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:16:20,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:20,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:20,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:20,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:20,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:20,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:20,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:16:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:20,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:20,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:20,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:20,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:20,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:20,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:20,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:20,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:20,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:20,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:20,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:20,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:16:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:20,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:20,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:20,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:20,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:20,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:20,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:20,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:20,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:20,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:20,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:20,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:20,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:16:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:20,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:20,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:20,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:20,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:20,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:20,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:20,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:20,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:20,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:20,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:20,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:20,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 10:16:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:20,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:20,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:20,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:20,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:20,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:20,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:20,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:20,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:20,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:20,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:20,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:20,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 10:16:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:20,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:20,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:20,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:20,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:20,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:20,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:20,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:20,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:20,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:20,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:20,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:20,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 10:16:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:20,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:20,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:20,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:20,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:20,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:20,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:20,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:20,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:20,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:20,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:20,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:20,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 10:16:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:20,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:20,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:20,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 10:16:20,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:20,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 10:16:20,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:20,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:20,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:20,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 10:16:20,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:20,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:20,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 10:16:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:20,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:20,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:20,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:16:20,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:20,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:16:20,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:20,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:20,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:20,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:16:20,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:20,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:20,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:16:20,688 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2022040529] [2020-10-14 10:16:20,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:16:20,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 10:16:20,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419067922] [2020-10-14 10:16:20,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 10:16:20,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:16:20,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 10:16:20,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 10:16:20,715 INFO L87 Difference]: Start difference. First operand 414 states. Second operand 8 states. [2020-10-14 10:16:20,986 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 10:16:21,319 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-14 10:16:27,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:16:27,120 INFO L93 Difference]: Finished difference Result 1072 states and 1750 transitions. [2020-10-14 10:16:27,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 10:16:27,123 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 203 [2020-10-14 10:16:27,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:16:27,148 INFO L225 Difference]: With dead ends: 1072 [2020-10-14 10:16:27,148 INFO L226 Difference]: Without dead ends: 664 [2020-10-14 10:16:27,157 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-14 10:16:27,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2020-10-14 10:16:27,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 405. [2020-10-14 10:16:27,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-10-14 10:16:27,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 590 transitions. [2020-10-14 10:16:27,337 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 590 transitions. Word has length 203 [2020-10-14 10:16:27,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:16:27,338 INFO L479 AbstractCegarLoop]: Abstraction has 405 states and 590 transitions. [2020-10-14 10:16:27,338 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 10:16:27,338 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 590 transitions. [2020-10-14 10:16:27,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-14 10:16:27,357 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:16:27,358 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] [2020-10-14 10:16:27,358 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 10:16:27,358 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:16:27,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:16:27,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1133990911, now seen corresponding path program 1 times [2020-10-14 10:16:27,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:16:27,359 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1151147921] [2020-10-14 10:16:27,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:16:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:27,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:27,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:27,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:27,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:27,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:30,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:31,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:32,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:32,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-14 10:16:32,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 10:16:32,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-14 10:16:32,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:32,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:32,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:16:32,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-14 10:16:32,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-14 10:16:32,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:32,691 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 10:16:32,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:16:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:32,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:32,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:32,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:16:32,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:32,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 10:16:32,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:32,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:32,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:32,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:32,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:32,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:32,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:16:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:32,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:32,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:32,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:16:32,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:32,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:16:32,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:32,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:32,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:32,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:32,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:32,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:32,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:16:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:32,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:32,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:32,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:16:32,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:32,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:32,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:32,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:32,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:32,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:32,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:32,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:32,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:16:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:32,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:32,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:32,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:16:32,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:32,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:16:32,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:32,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:32,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:32,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:32,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:32,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:32,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 10:16:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:32,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:32,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:32,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 10:16:32,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:32,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 10:16:32,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:32,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:32,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:32,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:32,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:16:32,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:32,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 10:16:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:32,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:32,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:32,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:32,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:32,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:37,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:37,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 10:16:37,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:16:37,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 10:16:37,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:37,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:37,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:37,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:37,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-14 10:16:37,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:37,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:16:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:37,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:37,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:37,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:37,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:37,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:37,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:37,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:37,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:37,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:37,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:37,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:37,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:16:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:37,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:37,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:37,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:37,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:37,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:37,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:37,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:37,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:37,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:37,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:37,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:37,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:16:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:37,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:37,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:37,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:37,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:37,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:37,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:37,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:37,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:37,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:37,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:37,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:37,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:16:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:37,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:37,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:37,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:37,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:37,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:37,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:37,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:37,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:37,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:37,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:37,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:37,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:16:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:37,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:37,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:37,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:37,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:37,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:37,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:37,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:37,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:37,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:37,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:37,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:37,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:16:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:37,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:37,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:37,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:37,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:37,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:37,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:37,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:37,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:37,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:37,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:37,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:37,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:16:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:37,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:37,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:37,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:37,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:37,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:37,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:37,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:37,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:37,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:37,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:37,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:37,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:16:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:37,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:37,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:37,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:37,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:37,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:37,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:37,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:37,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:37,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:37,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:37,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:37,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 10:16:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:37,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:37,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:37,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:37,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:37,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:37,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:37,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:37,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:37,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:37,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:37,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:37,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 10:16:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:37,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:37,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:37,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:37,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:37,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:37,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:37,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:37,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:37,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:37,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:37,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:37,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 10:16:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:37,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:37,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:37,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:37,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:37,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:37,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:37,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:37,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:37,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:37,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:37,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:37,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 10:16:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:37,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:38,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:38,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 10:16:38,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:38,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 10:16:38,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:38,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:38,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:16:38,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 10:16:38,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 10:16:38,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:38,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 10:16:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:38,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:38,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:38,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:16:38,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:38,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:38,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:38,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:38,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:38,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:16:38,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:38,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:38,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:16:38,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1151147921] [2020-10-14 10:16:38,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:16:38,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:16:38,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705150994] [2020-10-14 10:16:38,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:16:38,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:16:38,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:16:38,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:16:38,134 INFO L87 Difference]: Start difference. First operand 405 states and 590 transitions. Second operand 9 states. [2020-10-14 10:16:39,432 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-14 10:16:41,626 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 10:16:49,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:16:49,785 INFO L93 Difference]: Finished difference Result 1824 states and 2796 transitions. [2020-10-14 10:16:49,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 10:16:49,785 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 203 [2020-10-14 10:16:49,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:16:49,803 INFO L225 Difference]: With dead ends: 1824 [2020-10-14 10:16:49,803 INFO L226 Difference]: Without dead ends: 1449 [2020-10-14 10:16:49,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2020-10-14 10:16:49,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1449 states. [2020-10-14 10:16:49,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1449 to 1060. [2020-10-14 10:16:49,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1060 states. [2020-10-14 10:16:49,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 1060 states and 1589 transitions. [2020-10-14 10:16:49,983 INFO L78 Accepts]: Start accepts. Automaton has 1060 states and 1589 transitions. Word has length 203 [2020-10-14 10:16:49,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:16:49,984 INFO L479 AbstractCegarLoop]: Abstraction has 1060 states and 1589 transitions. [2020-10-14 10:16:49,984 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:16:49,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1589 transitions. [2020-10-14 10:16:49,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-14 10:16:49,988 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:16:49,988 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] [2020-10-14 10:16:49,989 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 10:16:49,989 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:16:49,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:16:49,989 INFO L82 PathProgramCache]: Analyzing trace with hash 915396931, now seen corresponding path program 1 times [2020-10-14 10:16:49,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:16:49,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [554649834] [2020-10-14 10:16:49,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:16:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:50,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:50,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:50,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:50,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:50,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:52,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:55,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:55,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-14 10:16:55,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:16:55,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-14 10:16:55,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:55,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:55,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:16:55,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 167 [2020-10-14 10:16:55,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:16:55,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:55,215 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 10:16:55,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:16:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:55,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:55,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:55,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:16:55,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:55,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:16:55,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:55,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:55,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:55,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:55,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:55,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:55,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:16:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:55,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:55,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:55,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:16:55,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:55,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:16:55,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:55,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:55,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:55,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:55,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:55,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:55,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:16:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:55,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:55,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:55,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:16:55,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:55,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:55,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:55,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:55,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:55,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:55,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:55,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:55,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:16:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:55,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:55,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:55,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:16:55,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:55,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:16:55,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:55,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:55,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:55,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:55,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:55,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:55,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 10:16:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:55,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:55,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:55,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 10:16:55,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:55,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:16:55,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:55,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:55,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:55,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:55,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:55,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:55,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 10:16:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:55,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:55,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:55,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:55,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:57,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:00,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:00,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 10:17:00,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:17:00,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 10:17:00,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:00,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:00,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:17:00,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 10:17:00,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:17:00,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:00,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:17:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:00,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:00,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:00,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:00,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:00,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:17:00,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:00,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:00,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:00,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:00,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:00,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:00,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:17:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:00,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:00,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:00,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:00,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:00,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:17:00,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:00,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:00,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:17:00,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:00,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:17:00,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:00,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:17:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:00,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:00,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:00,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:00,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:00,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:17:00,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:00,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:00,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:00,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:17:00,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:00,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:17:00,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:17:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:00,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:00,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:00,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:00,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:00,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:17:00,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:00,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:00,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:00,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:17:00,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:00,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:00,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:17:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:00,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:00,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:00,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:00,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:00,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:17:00,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:00,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:00,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:00,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:17:00,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:00,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:00,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:17:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:00,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:00,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:00,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:00,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:00,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:17:00,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:00,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:00,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:00,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:17:00,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:00,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:00,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:17:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:00,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:00,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:00,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:00,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:00,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:17:00,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:00,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:00,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:00,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:17:00,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:00,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:00,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:17:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:00,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:00,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:00,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:00,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:00,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:17:00,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:00,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:00,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:00,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:17:00,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:00,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:17:00,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 10:17:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:00,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:00,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:00,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:00,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:00,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:17:00,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:00,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:00,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:00,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:17:00,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:00,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:00,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 10:17:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:00,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:00,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:00,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:00,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:00,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:17:00,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:00,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:00,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:00,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:17:00,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:00,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:00,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 10:17:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:00,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:00,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:00,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:00,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:00,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:17:00,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:00,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:00,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:00,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:17:00,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:00,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:17:00,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 10:17:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:00,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:00,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:00,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 10:17:00,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:00,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 10:17:00,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:00,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:00,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:00,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 10:17:00,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:00,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:00,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 10:17:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:00,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:00,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:00,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:17:00,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:00,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:17:00,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:00,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:00,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:00,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:17:00,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:00,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:00,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:17:00,634 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [554649834] [2020-10-14 10:17:00,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:17:00,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 10:17:00,635 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071075443] [2020-10-14 10:17:00,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 10:17:00,636 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:17:00,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 10:17:00,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-14 10:17:00,637 INFO L87 Difference]: Start difference. First operand 1060 states and 1589 transitions. Second operand 10 states. [2020-10-14 10:17:01,903 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 10:17:02,123 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-14 10:17:02,331 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 10:17:02,643 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 10:17:08,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:17:08,678 INFO L93 Difference]: Finished difference Result 2520 states and 3909 transitions. [2020-10-14 10:17:08,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:17:08,679 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 203 [2020-10-14 10:17:08,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:17:08,690 INFO L225 Difference]: With dead ends: 2520 [2020-10-14 10:17:08,690 INFO L226 Difference]: Without dead ends: 1491 [2020-10-14 10:17:08,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-14 10:17:08,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2020-10-14 10:17:08,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 1075. [2020-10-14 10:17:08,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1075 states. [2020-10-14 10:17:08,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1604 transitions. [2020-10-14 10:17:08,855 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1604 transitions. Word has length 203 [2020-10-14 10:17:08,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:17:08,856 INFO L479 AbstractCegarLoop]: Abstraction has 1075 states and 1604 transitions. [2020-10-14 10:17:08,856 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 10:17:08,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1604 transitions. [2020-10-14 10:17:08,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-14 10:17:08,859 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:17:08,859 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] [2020-10-14 10:17:08,860 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 10:17:08,860 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:17:08,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:17:08,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1590557057, now seen corresponding path program 1 times [2020-10-14 10:17:08,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:17:08,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2043355160] [2020-10-14 10:17:08,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:17:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:08,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:08,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:09,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:09,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:09,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:13,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:13,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-14 10:17:13,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:17:13,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 10:17:13,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:13,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:13,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:17:13,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 167 [2020-10-14 10:17:13,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:17:13,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:14,092 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 10:17:14,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:17:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:14,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:14,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:14,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:17:14,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:14,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:17:14,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:14,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:14,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:14,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:14,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:14,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:14,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:17:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:14,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:14,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:14,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:17:14,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:14,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:17:14,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:14,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:14,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:14,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:14,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:14,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:17:14,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:17:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:14,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:14,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:14,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:17:14,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:14,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:17:14,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:14,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:14,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:14,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:14,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:14,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:14,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:17:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:14,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:14,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:14,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:17:14,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:14,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:17:14,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:14,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:14,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:14,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:14,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:14,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:14,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 10:17:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:14,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:14,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:14,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 10:17:14,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:14,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:17:14,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:14,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:14,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:14,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:14,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:14,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:14,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 10:17:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:14,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:14,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:14,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:14,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:16,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:16,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 10:17:16,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:17:16,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2490 [2020-10-14 10:17:16,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:16,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:16,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:17:16,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-14 10:17:16,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:17:16,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:16,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:17:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:16,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:16,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:16,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:16,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:16,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:17:16,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:16,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:16,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:16,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:16,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:16,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:16,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:17:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:16,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:16,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:16,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:16,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:16,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:17:16,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:16,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:16,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:16,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:16,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:16,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:16,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:17:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:16,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:16,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:16,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:16,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:16,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:17:16,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:16,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:16,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:16,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:16,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:16,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:16,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:17:16,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:16,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:16,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:16,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:16,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:16,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:17:16,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:16,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:16,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:16,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:16,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:16,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:16,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:17:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:16,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:16,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:16,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:16,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:16,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:17:16,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:16,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:16,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:16,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:16,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:16,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:16,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:17:16,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:16,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:16,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:16,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:16,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:16,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:17:16,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:16,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:16,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:17:16,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:16,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:17:16,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:16,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:17:16,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:16,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:16,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:16,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:16,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:16,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:17:16,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:16,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:16,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:16,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:17:16,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:16,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:16,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:17:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:16,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:16,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:16,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:16,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:16,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:17:16,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:16,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:16,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:16,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:17:16,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:16,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:16,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 10:17:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:16,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:16,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:16,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:16,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:16,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:17:16,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:16,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:16,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:16,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:17:16,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:16,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:17:16,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 10:17:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:16,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:16,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:16,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:16,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:16,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:17:16,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:16,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:16,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:16,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:17:16,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:16,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:16,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 10:17:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:16,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:16,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:16,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:16,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:16,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:17:16,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:16,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:16,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:16,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:17:16,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:16,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:16,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 10:17:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:16,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:16,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:16,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 10:17:16,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:16,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:17:16,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:16,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:16,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:16,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 10:17:16,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:16,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:16,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 10:17:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:16,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:16,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:16,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:17:16,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:16,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:17:16,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:16,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:16,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:16,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:17:16,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:16,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:16,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:17:16,931 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2043355160] [2020-10-14 10:17:16,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:17:16,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 10:17:16,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644149751] [2020-10-14 10:17:16,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 10:17:16,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:17:16,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 10:17:16,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-14 10:17:16,933 INFO L87 Difference]: Start difference. First operand 1075 states and 1604 transitions. Second operand 10 states. [2020-10-14 10:17:18,708 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 10:17:18,935 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-14 10:17:19,153 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 10:17:19,497 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-14 10:17:24,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:17:24,952 INFO L93 Difference]: Finished difference Result 2520 states and 3888 transitions. [2020-10-14 10:17:24,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:17:24,953 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 203 [2020-10-14 10:17:24,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:17:24,963 INFO L225 Difference]: With dead ends: 2520 [2020-10-14 10:17:24,964 INFO L226 Difference]: Without dead ends: 1476 [2020-10-14 10:17:24,968 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-14 10:17:24,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1476 states. [2020-10-14 10:17:25,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1476 to 1090. [2020-10-14 10:17:25,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1090 states. [2020-10-14 10:17:25,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1619 transitions. [2020-10-14 10:17:25,129 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1619 transitions. Word has length 203 [2020-10-14 10:17:25,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:17:25,130 INFO L479 AbstractCegarLoop]: Abstraction has 1090 states and 1619 transitions. [2020-10-14 10:17:25,130 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 10:17:25,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1619 transitions. [2020-10-14 10:17:25,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-14 10:17:25,133 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:17:25,134 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] [2020-10-14 10:17:25,134 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 10:17:25,134 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:17:25,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:17:25,134 INFO L82 PathProgramCache]: Analyzing trace with hash -28417857, now seen corresponding path program 1 times [2020-10-14 10:17:25,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:17:25,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [510837949] [2020-10-14 10:17:25,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:17:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:25,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:25,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:25,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:25,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:27,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:27,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:27,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:27,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:27,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:27,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:27,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:27,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:28,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:29,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:29,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:29,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:29,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:29,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:29,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:29,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:29,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:29,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:29,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:29,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:29,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:29,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:29,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:29,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:29,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:29,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:29,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:29,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:30,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:30,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:30,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-14 10:17:30,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 33 [2020-10-14 10:17:30,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 10:17:30,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:30,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:30,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:17:30,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-14 10:17:30,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-14 10:17:30,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:30,361 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 10:17:30,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:17:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:30,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:30,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:30,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:17:30,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:30,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:17:30,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:30,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:30,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:30,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:30,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:30,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:30,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:17:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:30,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:30,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:30,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:17:30,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:30,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:17:30,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:30,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:30,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:30,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:30,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:30,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:30,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:17:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:30,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:30,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:30,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:17:30,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:30,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:17:30,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:30,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:30,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:30,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:30,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:30,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:30,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:17:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:30,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:30,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:30,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:17:30,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:30,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:17:30,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:30,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:30,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:30,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:30,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:30,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:30,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 10:17:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:30,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:30,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:30,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 10:17:30,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:30,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:17:30,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:30,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:30,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:17:30,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:30,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 10:17:30,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:30,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 10:17:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:30,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:30,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:30,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:30,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:31,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:31,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 10:17:31,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:17:31,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1301 [2020-10-14 10:17:31,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:31,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:31,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:17:31,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:31,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-14 10:17:31,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:31,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:17:31,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:31,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:31,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:31,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:31,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:31,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:17:31,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:31,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:31,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:31,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:31,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:31,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:31,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:17:31,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:31,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:31,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:31,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:31,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:31,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:17:31,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:31,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:31,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:31,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:31,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:31,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:31,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:17:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:31,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:31,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:31,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:31,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:31,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:17:31,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:31,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:31,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:31,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:31,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:31,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:31,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:17:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:31,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:31,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:31,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:31,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:31,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:17:31,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:31,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:31,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:31,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:31,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:31,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:31,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:17:31,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:31,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:31,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:31,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:31,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:31,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:17:31,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:31,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:31,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:31,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:31,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:31,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:31,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:17:31,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:31,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:31,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:31,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:31,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:31,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:17:31,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:31,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:31,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:31,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:31,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:31,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:31,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:17:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:31,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:31,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:31,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:31,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:31,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:17:31,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:31,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:31,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:31,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:31,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:31,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:31,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:17:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:31,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:31,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:31,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:31,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:31,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:17:31,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:31,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:31,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:31,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:31,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:31,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:31,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 10:17:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:31,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:31,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:31,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:31,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:31,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:17:31,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:31,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:31,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:31,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:31,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:31,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:31,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 10:17:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:31,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:31,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:31,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:31,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:31,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:17:31,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:31,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:31,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:31,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:31,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:31,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:31,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 10:17:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:31,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:31,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:31,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:31,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:31,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:17:31,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:31,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:31,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:31,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:31,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:31,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:31,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 10:17:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:31,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:31,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:31,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 10:17:31,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:31,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 10:17:31,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:31,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:31,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:17:31,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 10:17:31,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 10:17:31,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:31,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 10:17:31,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:31,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:31,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:31,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:17:31,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:31,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:17:31,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:31,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:31,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:31,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:17:31,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:31,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:31,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:17:31,946 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [510837949] [2020-10-14 10:17:31,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:17:31,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:17:31,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86287788] [2020-10-14 10:17:31,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:17:31,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:17:31,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:17:31,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:17:31,948 INFO L87 Difference]: Start difference. First operand 1090 states and 1619 transitions. Second operand 9 states. [2020-10-14 10:17:33,283 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-14 10:17:35,771 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 10:17:36,535 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-14 10:17:45,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:17:45,949 INFO L93 Difference]: Finished difference Result 3273 states and 4973 transitions. [2020-10-14 10:17:45,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-14 10:17:45,949 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 203 [2020-10-14 10:17:45,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:17:45,966 INFO L225 Difference]: With dead ends: 3273 [2020-10-14 10:17:45,966 INFO L226 Difference]: Without dead ends: 2657 [2020-10-14 10:17:45,970 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2020-10-14 10:17:45,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2657 states. [2020-10-14 10:17:46,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2657 to 1968. [2020-10-14 10:17:46,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1968 states. [2020-10-14 10:17:46,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 1968 states and 2890 transitions. [2020-10-14 10:17:46,248 INFO L78 Accepts]: Start accepts. Automaton has 1968 states and 2890 transitions. Word has length 203 [2020-10-14 10:17:46,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:17:46,248 INFO L479 AbstractCegarLoop]: Abstraction has 1968 states and 2890 transitions. [2020-10-14 10:17:46,248 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:17:46,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1968 states and 2890 transitions. [2020-10-14 10:17:46,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-14 10:17:46,253 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:17:46,253 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] [2020-10-14 10:17:46,253 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 10:17:46,254 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:17:46,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:17:46,254 INFO L82 PathProgramCache]: Analyzing trace with hash 365948929, now seen corresponding path program 1 times [2020-10-14 10:17:46,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:17:46,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1563131733] [2020-10-14 10:17:46,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:17:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:46,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:46,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:46,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:46,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:48,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:48,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:48,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:48,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:48,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:48,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:48,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:48,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:49,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:49,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:49,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:49,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:49,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:49,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:49,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:49,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:49,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:49,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:49,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:49,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:49,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:49,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:49,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:49,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:49,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:49,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:50,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:50,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:51,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:51,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-14 10:17:51,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 32 [2020-10-14 10:17:51,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-14 10:17:51,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:51,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:51,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:17:51,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-14 10:17:51,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-14 10:17:51,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:51,505 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 10:17:51,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:17:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:51,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:51,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:51,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:17:51,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:51,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:17:51,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:51,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:51,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:51,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:51,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:51,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:51,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:17:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:51,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:51,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:51,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:17:51,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:51,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:17:51,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:51,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:51,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:51,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:51,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:51,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:51,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:17:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:51,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:51,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:51,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:17:51,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:51,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:17:51,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:51,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:51,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:51,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:51,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:51,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:51,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:17:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:51,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:51,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:51,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:17:51,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:51,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:17:51,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:51,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:51,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:51,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:51,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:51,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:51,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 10:17:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:51,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:51,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:51,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 10:17:51,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:51,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 10:17:51,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:51,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:51,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:17:51,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:51,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 10:17:51,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:17:51,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 10:17:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:51,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:51,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:51,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:51,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:51,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:52,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:52,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 10:17:52,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:17:52,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1165 [2020-10-14 10:17:52,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:52,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:52,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:17:52,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:52,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-14 10:17:52,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:52,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:17:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:52,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:52,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:52,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:52,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:52,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:17:52,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:52,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:52,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:52,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:52,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:52,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:52,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:17:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:52,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:52,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:52,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:52,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:52,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:17:52,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:52,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:52,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:52,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:52,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:52,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:52,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:17:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:52,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:52,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:52,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:52,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:52,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:17:52,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:52,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:52,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:52,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:52,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:52,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:52,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:17:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:52,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:52,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:52,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:52,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:52,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:17:52,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:52,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:52,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:52,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:52,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:52,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:52,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:17:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:52,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:52,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:52,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:52,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:52,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:17:52,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:52,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:52,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:52,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:52,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:52,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:52,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:17:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:52,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:52,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:52,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:52,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:52,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:17:52,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:52,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:52,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:52,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:52,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:52,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:52,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:17:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:52,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:52,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:52,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:52,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:52,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:17:52,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:52,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:52,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:52,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:52,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:52,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:52,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:17:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:52,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:52,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:52,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:52,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:52,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:17:52,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:52,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:52,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:52,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:52,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:52,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:52,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 10:17:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:52,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:52,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:52,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:52,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:52,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:17:52,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:52,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:52,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:52,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:52,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:52,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:52,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 10:17:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:52,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:52,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:52,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:52,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:52,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:17:52,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:52,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:52,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:52,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:52,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:52,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:52,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 10:17:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:52,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:52,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:52,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:17:52,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:52,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:17:52,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:52,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:52,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:52,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:17:52,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:52,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:17:52,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 10:17:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:52,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:52,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:52,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 10:17:52,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:52,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 10:17:52,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:52,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:52,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:17:52,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 10:17:52,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 10:17:52,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:52,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 10:17:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:17:52,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:17:52,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:17:52,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:17:52,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:17:52,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:17:52,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:17:52,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:17:52,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:17:52,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:17:52,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:17:52,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:17:52,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:17:52,974 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1563131733] [2020-10-14 10:17:52,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:17:52,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:17:52,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366925716] [2020-10-14 10:17:52,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:17:52,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:17:52,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:17:52,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:17:52,976 INFO L87 Difference]: Start difference. First operand 1968 states and 2890 transitions. Second operand 9 states. [2020-10-14 10:17:54,214 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-14 10:17:55,446 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-14 10:18:05,098 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-14 10:18:10,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:18:10,860 INFO L93 Difference]: Finished difference Result 9578 states and 15354 transitions. [2020-10-14 10:18:10,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-14 10:18:10,860 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 203 [2020-10-14 10:18:10,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:18:10,905 INFO L225 Difference]: With dead ends: 9578 [2020-10-14 10:18:10,905 INFO L226 Difference]: Without dead ends: 7644 [2020-10-14 10:18:10,919 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=204, Invalid=608, Unknown=0, NotChecked=0, Total=812 [2020-10-14 10:18:10,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7644 states. [2020-10-14 10:18:11,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7644 to 5838. [2020-10-14 10:18:11,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5838 states. [2020-10-14 10:18:11,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5838 states to 5838 states and 8817 transitions. [2020-10-14 10:18:11,950 INFO L78 Accepts]: Start accepts. Automaton has 5838 states and 8817 transitions. Word has length 203 [2020-10-14 10:18:11,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:18:11,951 INFO L479 AbstractCegarLoop]: Abstraction has 5838 states and 8817 transitions. [2020-10-14 10:18:11,951 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:18:11,951 INFO L276 IsEmpty]: Start isEmpty. Operand 5838 states and 8817 transitions. [2020-10-14 10:18:11,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-14 10:18:11,967 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:18:11,967 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] [2020-10-14 10:18:11,967 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 10:18:11,967 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:18:11,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:18:11,968 INFO L82 PathProgramCache]: Analyzing trace with hash 875422019, now seen corresponding path program 1 times [2020-10-14 10:18:11,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:18:11,969 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [686895131] [2020-10-14 10:18:11,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:18:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:12,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:12,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:12,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:12,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:14,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:14,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:14,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:14,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:14,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:14,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:14,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:14,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:14,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:14,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:14,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:14,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:14,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:14,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:14,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:14,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:14,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:14,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:14,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:14,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:14,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:14,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:14,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:14,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:15,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:16,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:17,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:17,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-14 10:18:17,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 30 [2020-10-14 10:18:17,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 10:18:17,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:17,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:17,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:18:17,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:18:17,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-14 10:18:17,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:17,208 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 10:18:17,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:18:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:17,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:17,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:17,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:18:17,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:17,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 10:18:17,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:17,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:17,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:18:17,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:17,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:18:17,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:18:17,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:18:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:17,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:17,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:17,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:18:17,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:17,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:18:17,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:17,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:17,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:18:17,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:17,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:18:17,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:17,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:18:17,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:17,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:17,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:17,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:18:17,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:17,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:18:17,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:17,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:17,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:18:17,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:17,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:18:17,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:17,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:18:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:17,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:17,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:17,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:18:17,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:17,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 10:18:17,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:17,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:17,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:18:17,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:17,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 10:18:17,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:17,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 10:18:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:17,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:17,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:17,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 10:18:17,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:17,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 10:18:17,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:17,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:17,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:18:17,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:17,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 10:18:17,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:17,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 10:18:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:17,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:17,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:17,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:17,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:18,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:18,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 10:18:18,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:18:18,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1325 [2020-10-14 10:18:18,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:18,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:18,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:18:18,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-14 10:18:18,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 10:18:18,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:18,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:18:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:18,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:18,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:18,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:18,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:18,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:18:18,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:18,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:18,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:18,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:18,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:18,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:18:18,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:18:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:18,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:18,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:18,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:18,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:18,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:18:18,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:18,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:18,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:18,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:18,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:18,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:18,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:18:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:18,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:18,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:18,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:18,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:18,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:18:18,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:18,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:18,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:18,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:18,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:18,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:18,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:18:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:18,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:18,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:18,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:18,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:18,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:18:18,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:18,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:18,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:18,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:18,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:18,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:18,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:18:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:18,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:18,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:18,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:18,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:18,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:18:18,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:18,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:18,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:18,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:18,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:18,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:18,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:18:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:18,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:18,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:18,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:18,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:18,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:18:18,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:18,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:18,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:18,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:18,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:18,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:18,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:18:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:18,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:18,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:18,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:18,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:18,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:18:18,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:18,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:18,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:18,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:18,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:18,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:18,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:18:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:18,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:18,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:18,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:18,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:18,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:18:18,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:18,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:18,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:18,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:18,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:18,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:18,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 10:18:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:18,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:18,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:18,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:18,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:18,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:18:18,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:18,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:18,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:18,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:18,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:18,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:18,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 10:18:18,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:18,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:18,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:18,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:18,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:18,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:18:18,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:18,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:18,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:18:18,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:18,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:18:18,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:18,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 10:18:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:18,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:18,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:18,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:18,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:18,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:18:18,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:18,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:18,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:18:18,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:18,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:18:18,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:18,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 10:18:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:18,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:18,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:18,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 10:18:18,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:18,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 10:18:18,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:18,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:18,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:18,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 10:18:18,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:18,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:18,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 10:18:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:18,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:18,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:18,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:18:18,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:18,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:18:18,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:18,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:18,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:18,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:18:18,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:18,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:18,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:18:18,835 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [686895131] [2020-10-14 10:18:18,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:18:18,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:18:18,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392988301] [2020-10-14 10:18:18,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:18:18,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:18:18,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:18:18,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:18:18,837 INFO L87 Difference]: Start difference. First operand 5838 states and 8817 transitions. Second operand 9 states. [2020-10-14 10:18:19,052 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-14 10:18:23,084 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-14 10:18:31,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:18:31,304 INFO L93 Difference]: Finished difference Result 20550 states and 33030 transitions. [2020-10-14 10:18:31,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:18:31,304 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 203 [2020-10-14 10:18:31,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:18:31,379 INFO L225 Difference]: With dead ends: 20550 [2020-10-14 10:18:31,379 INFO L226 Difference]: Without dead ends: 14749 [2020-10-14 10:18:31,410 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-14 10:18:31,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14749 states. [2020-10-14 10:18:33,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14749 to 11640. [2020-10-14 10:18:33,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11640 states. [2020-10-14 10:18:33,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11640 states to 11640 states and 17497 transitions. [2020-10-14 10:18:33,148 INFO L78 Accepts]: Start accepts. Automaton has 11640 states and 17497 transitions. Word has length 203 [2020-10-14 10:18:33,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:18:33,148 INFO L479 AbstractCegarLoop]: Abstraction has 11640 states and 17497 transitions. [2020-10-14 10:18:33,149 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:18:33,149 INFO L276 IsEmpty]: Start isEmpty. Operand 11640 states and 17497 transitions. [2020-10-14 10:18:33,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-14 10:18:33,156 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:18:33,156 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] [2020-10-14 10:18:33,156 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 10:18:33,156 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:18:33,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:18:33,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1580340706, now seen corresponding path program 1 times [2020-10-14 10:18:33,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:18:33,157 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [13503383] [2020-10-14 10:18:33,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:18:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:33,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:33,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:33,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:33,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:33,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:38,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:38,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-14 10:18:38,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:18:38,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 10:18:38,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:38,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:38,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:18:38,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-14 10:18:38,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:18:38,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:38,388 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 10:18:38,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:18:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:38,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:38,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:38,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:18:38,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:38,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:18:38,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:38,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:38,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:38,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:38,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:38,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:38,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:18:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:38,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:38,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:38,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:18:38,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:38,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:18:38,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:38,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:38,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:38,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:38,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:38,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:38,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:18:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:38,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:38,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:38,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:18:38,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:38,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:18:38,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:38,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:38,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:38,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:38,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:38,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:38,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:18:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:38,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:38,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:38,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:18:38,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:38,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:18:38,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:38,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:38,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:38,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:38,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:38,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:38,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 10:18:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:38,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:38,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:38,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 10:18:38,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:38,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:18:38,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:38,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:38,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:38,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:38,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:38,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:38,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 10:18:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:38,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:38,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:38,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:38,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:40,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:40,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 10:18:40,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:18:40,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2346 [2020-10-14 10:18:40,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:40,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:40,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:18:40,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-14 10:18:40,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:18:40,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:40,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:18:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:40,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:40,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:40,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:40,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:40,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:18:40,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:40,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:40,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:40,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:40,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:40,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:40,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:18:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:40,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:40,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:40,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:40,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:40,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:18:40,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:40,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:40,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:40,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:40,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:40,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:40,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:18:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:40,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:40,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:40,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:40,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:40,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:18:40,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:40,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:40,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:40,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:40,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:40,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:40,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:18:40,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:40,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:40,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:40,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:40,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:40,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:18:40,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:40,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:40,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:40,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:40,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:40,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:40,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:18:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:40,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:40,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:40,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:40,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:40,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:18:40,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:40,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:40,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:40,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:40,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:40,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:40,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:18:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:40,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:40,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:40,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:40,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:40,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:18:40,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:40,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:40,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:40,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:40,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:40,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:40,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:18:40,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:40,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:40,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:40,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:40,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:40,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:18:40,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:40,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:40,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:40,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:40,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:40,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:40,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:18:40,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:40,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:40,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:40,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:40,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:40,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:18:40,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:40,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:40,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:40,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:40,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:40,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:40,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 10:18:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:40,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:40,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:40,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:40,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:40,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:18:40,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:40,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:40,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:40,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:40,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:40,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:40,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 10:18:40,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:40,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:40,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:40,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:40,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:40,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:18:40,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:40,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:40,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:40,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:40,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:40,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:40,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 10:18:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:40,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:40,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:40,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:40,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:40,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:18:40,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:40,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:40,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:18:40,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:40,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:18:40,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:40,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 10:18:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:40,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:41,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:41,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 10:18:41,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:41,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:18:41,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:41,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:41,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:41,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 10:18:41,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:41,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:41,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 10:18:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:41,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:41,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:41,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:18:41,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:41,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:18:41,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:41,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:41,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:41,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:18:41,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:41,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:41,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:18:41,036 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [13503383] [2020-10-14 10:18:41,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:18:41,037 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 10:18:41,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757384054] [2020-10-14 10:18:41,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 10:18:41,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:18:41,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 10:18:41,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-14 10:18:41,038 INFO L87 Difference]: Start difference. First operand 11640 states and 17497 transitions. Second operand 10 states. [2020-10-14 10:18:43,361 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 10:18:43,581 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-14 10:18:43,805 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 10:18:44,137 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 10:18:49,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:18:49,744 INFO L93 Difference]: Finished difference Result 26727 states and 42108 transitions. [2020-10-14 10:18:49,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:18:49,745 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 203 [2020-10-14 10:18:49,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:18:49,808 INFO L225 Difference]: With dead ends: 26727 [2020-10-14 10:18:49,808 INFO L226 Difference]: Without dead ends: 15124 [2020-10-14 10:18:49,853 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-14 10:18:49,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15124 states. [2020-10-14 10:18:51,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15124 to 11850. [2020-10-14 10:18:51,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11850 states. [2020-10-14 10:18:51,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11850 states to 11850 states and 17707 transitions. [2020-10-14 10:18:51,238 INFO L78 Accepts]: Start accepts. Automaton has 11850 states and 17707 transitions. Word has length 203 [2020-10-14 10:18:51,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:18:51,239 INFO L479 AbstractCegarLoop]: Abstraction has 11850 states and 17707 transitions. [2020-10-14 10:18:51,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 10:18:51,239 INFO L276 IsEmpty]: Start isEmpty. Operand 11850 states and 17707 transitions. [2020-10-14 10:18:51,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-14 10:18:51,245 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:18:51,245 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] [2020-10-14 10:18:51,245 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 10:18:51,245 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:18:51,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:18:51,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1749190494, now seen corresponding path program 1 times [2020-10-14 10:18:51,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:18:51,246 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [331496297] [2020-10-14 10:18:51,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:18:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:51,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:51,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:51,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:51,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:53,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:53,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:53,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:53,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:53,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:53,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:53,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:53,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:53,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:53,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:53,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:53,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:53,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:53,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:53,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:53,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:53,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:53,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:54,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:54,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:54,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:54,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:54,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:55,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:55,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:56,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:56,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-14 10:18:56,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-14 10:18:56,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 10:18:56,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:56,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:56,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:18:56,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:18:56,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-14 10:18:56,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:56,468 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 10:18:56,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:18:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:56,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:56,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:56,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:18:56,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:56,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 10:18:56,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:56,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:56,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:18:56,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:56,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:18:56,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:56,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:18:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:56,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:56,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:56,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:18:56,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:56,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:18:56,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:56,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:56,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:18:56,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:56,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:18:56,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:56,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:18:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:56,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:56,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:56,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:18:56,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:56,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:18:56,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:56,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:56,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:18:56,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:56,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:18:56,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:56,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:18:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:56,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:56,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:56,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:18:56,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:56,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:18:56,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:56,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:56,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:18:56,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:56,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 10:18:56,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:56,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 10:18:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:56,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:56,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:56,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 10:18:56,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:56,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 10:18:56,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:56,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:56,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:18:56,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:56,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 10:18:56,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:56,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 10:18:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:56,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:56,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:56,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:56,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:58,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:58,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 10:18:58,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:18:58,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1539 [2020-10-14 10:18:58,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:58,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:58,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:18:58,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 10:18:58,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 10:18:58,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:58,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:18:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:58,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:58,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:58,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:58,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:58,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:18:58,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:58,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:58,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:58,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:58,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:58,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:58,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:18:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:58,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:58,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:58,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:58,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:58,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:18:58,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:58,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:58,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:58,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:58,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:58,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:58,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:18:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:58,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:58,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:58,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:58,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:58,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:18:58,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:58,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:58,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:58,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:58,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:58,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:58,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:18:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:58,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:58,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:58,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:58,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:58,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:18:58,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:58,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:58,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:58,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:58,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:58,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:58,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:18:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:58,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:58,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:58,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:58,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:58,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:18:58,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:58,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:58,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:58,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:58,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:58,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:58,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:18:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:58,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:58,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:58,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:58,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:58,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:18:58,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:58,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:58,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:58,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:58,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:58,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:58,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:18:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:58,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:58,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:58,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:58,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:58,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:18:58,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:58,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:58,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:58,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:58,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:58,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:58,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:18:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:58,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:58,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:58,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:58,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:58,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:18:58,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:58,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:58,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:18:58,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:58,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:18:58,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:58,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 10:18:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:58,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:58,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:58,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:58,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:58,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:18:58,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:58,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:58,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:18:58,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:58,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:18:58,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:58,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 10:18:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:58,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:58,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:58,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:58,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:58,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:18:58,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:58,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:58,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:18:58,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:58,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:18:58,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:58,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 10:18:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:58,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:58,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:58,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:18:58,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:58,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:18:58,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:58,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:58,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:18:58,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:18:58,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:18:58,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:58,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 10:18:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:58,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:58,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:58,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 10:18:58,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:58,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:18:58,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:58,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:58,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:58,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 10:18:58,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:58,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:58,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 10:18:58,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:18:58,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:18:58,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:18:58,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:18:58,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:18:58,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:18:58,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:18:58,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:18:58,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:18:58,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:18:58,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:18:58,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:18:58,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:18:58,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [331496297] [2020-10-14 10:18:58,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:18:58,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:18:58,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438926787] [2020-10-14 10:18:58,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:18:58,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:18:58,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:18:58,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:18:58,295 INFO L87 Difference]: Start difference. First operand 11850 states and 17707 transitions. Second operand 9 states. [2020-10-14 10:18:58,481 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-14 10:19:01,857 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-14 10:19:10,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:19:10,206 INFO L93 Difference]: Finished difference Result 41547 states and 66088 transitions. [2020-10-14 10:19:10,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:19:10,211 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 203 [2020-10-14 10:19:10,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:19:10,321 INFO L225 Difference]: With dead ends: 41547 [2020-10-14 10:19:10,321 INFO L226 Difference]: Without dead ends: 29734 [2020-10-14 10:19:10,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-14 10:19:10,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29734 states. [2020-10-14 10:19:12,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29734 to 23565. [2020-10-14 10:19:12,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23565 states. [2020-10-14 10:19:12,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23565 states to 23565 states and 35090 transitions. [2020-10-14 10:19:12,986 INFO L78 Accepts]: Start accepts. Automaton has 23565 states and 35090 transitions. Word has length 203 [2020-10-14 10:19:12,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:19:12,987 INFO L479 AbstractCegarLoop]: Abstraction has 23565 states and 35090 transitions. [2020-10-14 10:19:12,987 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:19:12,987 INFO L276 IsEmpty]: Start isEmpty. Operand 23565 states and 35090 transitions. [2020-10-14 10:19:12,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-14 10:19:12,994 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:19:12,994 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] [2020-10-14 10:19:12,994 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 10:19:12,994 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:19:12,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:19:12,995 INFO L82 PathProgramCache]: Analyzing trace with hash -420006717, now seen corresponding path program 1 times [2020-10-14 10:19:12,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:19:12,995 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1577207241] [2020-10-14 10:19:12,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:19:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:13,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:13,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:13,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:13,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:13,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:18,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:18,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-14 10:19:18,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:19:18,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-14 10:19:18,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:18,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:18,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:19:18,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-14 10:19:18,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:19:18,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:18,207 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 10:19:18,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:19:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:18,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:18,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:18,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:19:18,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:18,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:19:18,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:18,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:18,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:19:18,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:19:18,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:19:18,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:18,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:19:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:18,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:18,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:18,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:19:18,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:18,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:19:18,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:18,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:18,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:19:18,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:19:18,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:19:18,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:18,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:19:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:18,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:18,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:18,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:19:18,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:18,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:19:18,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:18,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:18,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:19:18,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:19:18,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:19:18,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:18,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:19:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:18,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:18,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:18,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:19:18,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:18,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:19:18,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:18,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:18,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:19:18,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:19:18,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:19:18,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:18,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 10:19:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:18,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:18,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:18,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 10:19:18,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:18,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:19:18,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:18,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:18,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:19:18,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:19:18,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:19:18,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:18,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 10:19:18,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:18,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:18,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:18,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:18,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:22,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:22,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 10:19:22,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:19:22,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3861 [2020-10-14 10:19:22,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:22,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:22,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:19:22,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-14 10:19:22,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:19:22,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:22,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:19:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:22,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:22,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:22,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:19:22,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:22,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:19:22,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:22,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:22,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:19:22,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:19:22,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:19:22,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:22,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:19:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:22,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:22,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:22,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:19:22,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:22,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:19:22,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:22,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:22,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:19:22,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:19:22,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:19:22,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:22,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:19:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:22,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:22,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:22,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:19:22,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:22,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:19:22,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:22,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:22,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:19:22,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:19:22,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:19:22,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:22,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:19:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:22,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:22,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:22,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:19:22,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:22,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:19:22,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:22,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:22,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:19:22,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:19:22,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:19:22,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:22,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:19:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:22,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:22,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:22,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:19:22,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:22,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:19:22,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:22,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:22,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:19:22,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:19:22,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:19:22,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:22,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:19:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:22,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:22,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:22,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:19:22,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:22,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:19:22,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:22,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:22,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:19:22,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:19:22,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:19:22,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:19:22,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:19:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:22,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:22,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:22,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:19:22,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:22,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:19:22,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:22,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:22,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:19:22,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:19:22,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:19:22,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:22,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:19:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:22,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:22,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:22,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:19:22,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:22,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:19:22,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:22,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:22,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:19:22,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:19:22,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:19:22,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:22,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 10:19:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:22,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:22,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:22,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:19:22,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:22,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:19:22,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:22,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:22,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:19:22,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:19:22,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:19:22,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:22,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 10:19:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:22,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:22,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:22,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:19:22,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:22,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:19:22,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:22,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:22,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:19:22,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:19:22,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:19:22,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:22,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 10:19:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:22,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:22,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:22,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:19:22,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:22,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:19:22,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:22,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:22,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:19:22,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:19:22,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:19:22,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:22,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 10:19:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:22,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:22,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:22,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 10:19:22,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:22,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:19:22,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:22,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:22,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:19:22,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 10:19:22,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:19:22,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:22,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 10:19:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:22,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:22,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:22,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:19:22,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:22,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:19:22,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:22,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:22,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:19:22,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:19:22,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:19:22,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:22,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:19:22,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1577207241] [2020-10-14 10:19:22,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:19:22,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 10:19:22,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439805377] [2020-10-14 10:19:22,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 10:19:22,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:19:22,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 10:19:22,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-14 10:19:22,356 INFO L87 Difference]: Start difference. First operand 23565 states and 35090 transitions. Second operand 10 states. [2020-10-14 10:19:24,238 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 10:19:24,450 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-14 10:19:24,775 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 10:19:25,079 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-14 10:19:32,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:19:32,429 INFO L93 Difference]: Finished difference Result 54099 states and 84430 transitions. [2020-10-14 10:19:32,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:19:32,429 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 203 [2020-10-14 10:19:32,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:19:32,530 INFO L225 Difference]: With dead ends: 54099 [2020-10-14 10:19:32,530 INFO L226 Difference]: Without dead ends: 30571 [2020-10-14 10:19:32,587 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-14 10:19:32,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30571 states. [2020-10-14 10:19:36,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30571 to 23775. [2020-10-14 10:19:36,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23775 states. [2020-10-14 10:19:36,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23775 states to 23775 states and 35258 transitions. [2020-10-14 10:19:36,642 INFO L78 Accepts]: Start accepts. Automaton has 23775 states and 35258 transitions. Word has length 203 [2020-10-14 10:19:36,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:19:36,643 INFO L479 AbstractCegarLoop]: Abstraction has 23775 states and 35258 transitions. [2020-10-14 10:19:36,643 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 10:19:36,643 INFO L276 IsEmpty]: Start isEmpty. Operand 23775 states and 35258 transitions. [2020-10-14 10:19:36,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-14 10:19:36,648 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:19:36,649 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] [2020-10-14 10:19:36,649 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 10:19:36,649 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:19:36,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:19:36,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1797623681, now seen corresponding path program 1 times [2020-10-14 10:19:36,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:19:36,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [780732505] [2020-10-14 10:19:36,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:19:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:36,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:36,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:36,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:36,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:38,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:38,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:38,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:38,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:38,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:38,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:38,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:38,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:38,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:38,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:38,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:39,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:39,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:39,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:39,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:39,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:39,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:39,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:39,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:39,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:39,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:39,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:39,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:39,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:41,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:41,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:41,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-14 10:19:41,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-14 10:19:41,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 10:19:41,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:41,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:41,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:19:41,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:19:41,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-14 10:19:41,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:41,872 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-14 10:19:41,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:19:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:41,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:41,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:41,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:19:41,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:41,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 10:19:41,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:41,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:41,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:19:41,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:19:41,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:19:41,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:41,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:19:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:41,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:41,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:41,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:19:41,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:41,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:19:41,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:41,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:41,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:19:41,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:19:41,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:19:41,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:41,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:19:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:41,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:41,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:41,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:19:41,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:41,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:19:41,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:41,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:41,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:19:41,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:19:41,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:19:41,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:41,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:19:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:41,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:41,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:41,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 10:19:41,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:41,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:19:41,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:41,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:41,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:19:41,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:19:41,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 10:19:41,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:42,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 10:19:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:42,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:42,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:42,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 10:19:42,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:42,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 10:19:42,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:42,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:42,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:19:42,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:19:42,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 10:19:42,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:42,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 10:19:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:42,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:42,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:42,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:42,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:43,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:43,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-14 10:19:43,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:19:43,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1471 [2020-10-14 10:19:43,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:43,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:43,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:19:43,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-14 10:19:43,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-14 10:19:43,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:43,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:19:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:43,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:43,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:43,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:19:43,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:43,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:19:43,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:43,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:43,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:19:43,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:19:43,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:19:43,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:43,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:19:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:43,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:43,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:43,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:19:43,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:43,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:19:43,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:43,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:43,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:19:43,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:19:43,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:19:43,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:43,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:19:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:43,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:43,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:43,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:19:43,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:43,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:19:43,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:43,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:43,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:19:43,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:19:43,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:19:43,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:43,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:19:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:43,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:43,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:43,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:19:43,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:43,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:19:43,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:43,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:43,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:19:43,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:19:43,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:19:43,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:43,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:19:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:43,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:43,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:43,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:19:43,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:43,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:19:43,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:43,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:43,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:19:43,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:19:43,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:19:43,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:43,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:19:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:43,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:43,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:43,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:19:43,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:43,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:19:43,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:43,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:43,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:19:43,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:19:43,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:19:43,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:43,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:19:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:43,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:43,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:43,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:19:43,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:43,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:19:43,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:43,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:43,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:19:43,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:19:43,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:19:43,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:43,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:19:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:43,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:43,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:43,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:19:43,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:43,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:19:43,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:43,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:43,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:19:43,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:19:43,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:19:43,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:43,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-14 10:19:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:43,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:43,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:43,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:19:43,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:43,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:19:43,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:43,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:43,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:19:43,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:19:43,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:19:43,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:43,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-14 10:19:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:43,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:43,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:43,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:19:43,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:43,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:19:43,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:43,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:43,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:19:43,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:19:43,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:19:43,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:43,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-14 10:19:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:43,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:43,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:43,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:19:43,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:43,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:19:43,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:43,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:43,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:19:43,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:19:43,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:19:43,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:43,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-14 10:19:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:43,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:43,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:43,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-14 10:19:43,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:43,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 10:19:43,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:43,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:43,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:19:43,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 10:19:43,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:19:43,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:43,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-14 10:19:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:19:43,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:19:43,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:19:43,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:19:43,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:19:43,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:19:43,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:19:43,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:19:43,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:19:43,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:19:43,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:19:43,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:19:43,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:19:43,648 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [780732505] [2020-10-14 10:19:43,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:19:43,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:19:43,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218060107] [2020-10-14 10:19:43,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:19:43,650 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:19:43,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:19:43,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:19:43,652 INFO L87 Difference]: Start difference. First operand 23775 states and 35258 transitions. Second operand 9 states. [2020-10-14 10:19:43,848 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-14 10:19:47,050 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 174