/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=0.6 --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 language data_model -i ../../../trunk/examples/svcomp/systemc/token_ring.12.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 19:54:47,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 19:54:47,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 19:54:47,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 19:54:47,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 19:54:47,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 19:54:47,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 19:54:47,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 19:54:47,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 19:54:47,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 19:54:47,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 19:54:47,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 19:54:47,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 19:54:47,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 19:54:47,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 19:54:47,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 19:54:47,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 19:54:47,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 19:54:47,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 19:54:47,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 19:54:47,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 19:54:47,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 19:54:47,590 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 19:54:47,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 19:54:47,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 19:54:47,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 19:54:47,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 19:54:47,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 19:54:47,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 19:54:47,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 19:54:47,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 19:54:47,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 19:54:47,624 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 19:54:47,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 19:54:47,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 19:54:47,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 19:54:47,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 19:54:47,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 19:54:47,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 19:54:47,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 19:54:47,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 19:54:47,631 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 [2020-10-28 19:54:47,689 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 19:54:47,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 19:54:47,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 19:54:47,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 19:54:47,694 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 19:54:47,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 19:54:47,694 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 19:54:47,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 19:54:47,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 19:54:47,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 19:54:47,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 19:54:47,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 19:54:47,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 19:54:47,698 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 19:54:47,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 19:54:47,698 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 19:54:47,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 19:54:47,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 19:54:47,699 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 19:54:47,700 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 19:54:47,700 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 19:54:47,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 19:54:47,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 19:54:47,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 19:54:47,701 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 19:54:47,702 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 19:54:47,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 19:54:47,702 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 19:54:47,702 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 19:54:47,703 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 19:54:48,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 19:54:48,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 19:54:48,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 19:54:48,133 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 19:54:48,133 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 19:54:48,135 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.12.cil-1.c [2020-10-28 19:54:48,226 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/119a01943/fc2aafb803fa479db807ff70a6584b21/FLAG560b469cc [2020-10-28 19:54:48,930 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 19:54:48,931 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.12.cil-1.c [2020-10-28 19:54:48,954 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/119a01943/fc2aafb803fa479db807ff70a6584b21/FLAG560b469cc [2020-10-28 19:54:49,251 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/119a01943/fc2aafb803fa479db807ff70a6584b21 [2020-10-28 19:54:49,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 19:54:49,265 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 19:54:49,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 19:54:49,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 19:54:49,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 19:54:49,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:54:49" (1/1) ... [2020-10-28 19:54:49,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a7d9a9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:49, skipping insertion in model container [2020-10-28 19:54:49,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:54:49" (1/1) ... [2020-10-28 19:54:49,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 19:54:49,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 19:54:49,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:54:49,829 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 19:54:49,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:54:49,975 INFO L208 MainTranslator]: Completed translation [2020-10-28 19:54:49,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:49 WrapperNode [2020-10-28 19:54:49,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 19:54:49,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 19:54:49,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 19:54:49,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 19:54:49,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:49" (1/1) ... [2020-10-28 19:54:49,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:49" (1/1) ... [2020-10-28 19:54:50,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:49" (1/1) ... [2020-10-28 19:54:50,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:49" (1/1) ... [2020-10-28 19:54:50,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:49" (1/1) ... [2020-10-28 19:54:50,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:49" (1/1) ... [2020-10-28 19:54:50,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:49" (1/1) ... [2020-10-28 19:54:50,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 19:54:50,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 19:54:50,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 19:54:50,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 19:54:50,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:49" (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 [2020-10-28 19:54:50,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 19:54:50,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 19:54:50,241 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 19:54:50,242 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-28 19:54:50,242 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-28 19:54:50,243 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-28 19:54:50,243 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-28 19:54:50,243 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-28 19:54:50,243 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-28 19:54:50,243 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-28 19:54:50,244 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-28 19:54:50,244 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-28 19:54:50,244 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-28 19:54:50,245 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-28 19:54:50,245 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-28 19:54:50,246 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2020-10-28 19:54:50,246 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit12 [2020-10-28 19:54:50,246 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-28 19:54:50,246 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-28 19:54:50,246 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-28 19:54:50,246 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-28 19:54:50,247 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-28 19:54:50,247 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-28 19:54:50,247 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-28 19:54:50,247 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-28 19:54:50,247 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-28 19:54:50,247 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-28 19:54:50,247 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-28 19:54:50,247 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2020-10-28 19:54:50,248 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit12_triggered [2020-10-28 19:54:50,248 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-28 19:54:50,248 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-28 19:54:50,248 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-28 19:54:50,248 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-28 19:54:50,248 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-28 19:54:50,248 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-28 19:54:50,249 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-28 19:54:50,249 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-28 19:54:50,249 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-28 19:54:50,249 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-28 19:54:50,249 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-28 19:54:50,249 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-28 19:54:50,249 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-28 19:54:50,250 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 19:54:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 19:54:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 19:54:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 19:54:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 19:54:50,250 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-28 19:54:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-28 19:54:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-28 19:54:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-28 19:54:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-28 19:54:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-28 19:54:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-28 19:54:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-28 19:54:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-28 19:54:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-28 19:54:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-28 19:54:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-28 19:54:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2020-10-28 19:54:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit12_triggered [2020-10-28 19:54:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-28 19:54:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 19:54:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-28 19:54:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-28 19:54:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-28 19:54:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-28 19:54:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-28 19:54:50,255 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-28 19:54:50,255 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-28 19:54:50,256 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-28 19:54:50,257 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-28 19:54:50,257 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-28 19:54:50,257 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-28 19:54:50,257 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2020-10-28 19:54:50,258 INFO L130 BoogieDeclarations]: Found specification of procedure transmit12 [2020-10-28 19:54:50,258 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-28 19:54:50,258 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-28 19:54:50,258 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-28 19:54:50,258 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-28 19:54:50,259 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-28 19:54:50,259 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-28 19:54:50,259 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-28 19:54:50,259 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-28 19:54:50,260 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-28 19:54:50,260 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-28 19:54:50,260 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-28 19:54:50,260 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-28 19:54:50,260 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 19:54:50,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 19:54:50,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 19:54:50,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 19:54:50,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 19:54:50,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 19:54:50,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 19:54:51,772 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 19:54:51,773 INFO L298 CfgBuilder]: Removed 15 assume(true) statements. [2020-10-28 19:54:51,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:54:51 BoogieIcfgContainer [2020-10-28 19:54:51,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 19:54:51,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 19:54:51,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 19:54:51,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 19:54:51,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 07:54:49" (1/3) ... [2020-10-28 19:54:51,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71cc0009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:54:51, skipping insertion in model container [2020-10-28 19:54:51,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:54:49" (2/3) ... [2020-10-28 19:54:51,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71cc0009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:54:51, skipping insertion in model container [2020-10-28 19:54:51,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:54:51" (3/3) ... [2020-10-28 19:54:51,785 INFO L111 eAbstractionObserver]: Analyzing ICFG token_ring.12.cil-1.c [2020-10-28 19:54:51,797 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 19:54:51,803 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 19:54:51,817 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 19:54:51,849 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 19:54:51,850 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 19:54:51,850 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 19:54:51,850 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 19:54:51,850 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 19:54:51,850 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 19:54:51,850 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 19:54:51,850 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 19:54:51,880 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states. [2020-10-28 19:54:51,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-28 19:54:51,907 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:54:51,910 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:54:51,911 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:54:51,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:54:51,925 INFO L82 PathProgramCache]: Analyzing trace with hash -15984660, now seen corresponding path program 1 times [2020-10-28 19:54:51,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:54:51,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1056627867] [2020-10-28 19:54:51,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:54:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:52,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:52,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:52,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:57,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:57,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-10-28 19:54:57,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 19:54:57,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-28 19:54:57,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:57,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:57,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:57,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 19:54:57,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 19:54:57,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 19:54:58,194 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-28 19:54:58,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:54:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:58,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:58,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:54:58,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:58,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 19:54:58,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:58,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:58,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:58,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:58,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:58,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:58,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:54:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:58,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:58,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:54:58,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:58,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 19:54:58,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:58,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:58,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:58,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:58,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:54:58,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:58,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:54:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:58,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:58,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:54:58,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:58,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:58,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:58,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:58,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:58,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:58,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:54:58,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:58,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:54:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:58,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:58,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 19:54:58,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:58,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 19:54:58,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:58,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:58,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:58,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 19:54:58,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:54:58,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:58,615 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-28 19:54:58,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 19:54:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:58,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:58,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 19:54:58,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:58,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 19:54:58,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:58,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:58,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:58,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 19:54:58,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:58,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:58,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-28 19:54:58,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:58,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:58,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:59,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-28 19:55:03,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 19:55:03,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 19:55:03,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:03,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-28 19:55:03,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:03,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:03,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:55:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:03,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:03,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:03,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:55:03,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:03,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:03,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:03,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:03,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:55:03,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:03,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:03,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:03,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:03,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:03,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:03,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:03,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:03,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:55:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:03,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:03,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:03,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:03,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:03,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:03,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:03,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 19:55:03,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:55:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:03,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:03,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:03,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:03,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:03,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:03,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:03,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:03,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:55:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:03,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:03,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:03,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:03,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:03,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:03,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:03,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:03,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:55:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:03,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:03,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:03,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:03,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:03,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:03,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:03,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:03,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:55:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:03,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:03,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:03,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:03,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:03,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:03,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:03,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:03,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:55:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:03,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:03,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:03,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:03,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:03,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:03,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:03,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:03,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:55:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:03,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:03,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:03,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:03,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:03,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:03,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:03,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 19:55:03,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:55:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:03,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:03,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:03,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:55:03,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:03,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:03,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:03,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:03,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:55:03,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:03,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:03,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:03,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:55:03,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:03,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:03,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:03,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:03,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:55:03,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:03,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:03,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:03,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:03,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:03,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:03,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:03,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:03,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 19:55:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:03,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:03,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:03,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:03,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:03,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:03,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:03,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:03,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-28 19:55:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:03,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 19:55:03,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:03,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 19:55:03,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:03,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 19:55:03,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:03,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:03,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-28 19:55:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:03,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:03,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:03,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:55:03,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:03,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:03,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:03,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:03,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:03,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:55:03,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:03,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:04,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:55:04,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1056627867] [2020-10-28 19:55:04,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:55:04,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:55:04,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073307313] [2020-10-28 19:55:04,107 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:55:04,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:55:04,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:55:04,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:55:04,124 INFO L87 Difference]: Start difference. First operand 485 states. Second operand 8 states. [2020-10-28 19:55:04,712 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-10-28 19:55:04,946 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 19:55:05,509 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-10-28 19:55:05,770 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 19:55:06,186 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-28 19:55:15,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:55:15,490 INFO L93 Difference]: Finished difference Result 1245 states and 2042 transitions. [2020-10-28 19:55:15,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 19:55:15,492 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 233 [2020-10-28 19:55:15,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:55:15,521 INFO L225 Difference]: With dead ends: 1245 [2020-10-28 19:55:15,521 INFO L226 Difference]: Without dead ends: 774 [2020-10-28 19:55:15,531 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-28 19:55:15,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2020-10-28 19:55:15,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 473. [2020-10-28 19:55:15,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-10-28 19:55:15,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 695 transitions. [2020-10-28 19:55:15,740 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 695 transitions. Word has length 233 [2020-10-28 19:55:15,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:55:15,741 INFO L481 AbstractCegarLoop]: Abstraction has 473 states and 695 transitions. [2020-10-28 19:55:15,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:55:15,741 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 695 transitions. [2020-10-28 19:55:15,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-28 19:55:15,747 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:55:15,748 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:55:15,748 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 19:55:15,748 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:55:15,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:55:15,749 INFO L82 PathProgramCache]: Analyzing trace with hash 838554798, now seen corresponding path program 1 times [2020-10-28 19:55:15,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:55:15,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1081954705] [2020-10-28 19:55:15,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:55:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:16,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:16,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:16,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:16,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:16,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:19,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:20,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:20,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-10-28 19:55:20,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 19:55:20,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-28 19:55:20,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:20,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:20,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:20,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 19:55:20,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 19:55:20,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:21,366 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-28 19:55:21,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:55:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:21,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:21,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:21,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:21,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:21,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 19:55:21,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:21,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:21,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:21,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:21,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:21,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:21,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:55:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:21,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:21,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:21,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:21,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:21,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 19:55:21,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:21,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:21,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:21,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:21,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:55:21,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 19:55:21,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:55:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:21,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:21,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:21,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:55:21,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:21,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:21,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:21,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:21,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:21,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:21,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:55:21,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 19:55:21,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:55:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:21,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:21,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:21,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 19:55:21,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:21,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 19:55:21,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:21,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:21,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:21,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:55:21,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 19:55:21,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:21,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 19:55:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:21,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:21,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:21,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 19:55:21,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:21,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 19:55:21,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:21,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:21,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:21,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 19:55:21,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:21,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:21,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-28 19:55:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:21,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:21,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:21,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:21,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:21,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:21,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:26,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:26,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:26,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-28 19:55:26,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 19:55:26,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 19:55:26,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:26,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:26,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:26,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-28 19:55:26,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:26,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:26,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:55:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:26,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:26,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:26,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:26,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:26,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:26,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:26,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:26,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:26,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:26,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:26,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:26,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:55:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:26,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:26,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:26,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:26,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:26,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:26,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:26,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:26,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:26,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:26,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:26,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:26,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:55:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:26,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:26,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:26,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:26,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:26,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:26,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:26,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:26,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:26,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:26,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:26,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:26,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:55:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:26,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:26,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:26,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:26,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:26,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:26,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:26,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:26,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:26,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:26,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:26,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:26,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:55:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:26,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:26,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:26,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:26,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:26,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:26,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:26,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:26,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:26,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:26,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:26,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:26,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:55:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:26,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:26,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:26,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:26,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:26,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:26,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:26,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:26,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:26,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:26,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:26,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:26,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:55:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:26,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:26,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:26,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:26,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:26,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:26,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:26,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:26,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:26,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:26,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:26,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:26,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:55:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:26,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:26,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:26,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:26,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:26,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:26,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:26,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:26,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:26,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:26,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:26,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:26,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:55:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:26,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:26,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:26,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:26,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:26,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:26,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:26,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:26,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:26,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:26,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:26,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:26,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:55:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:26,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:26,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:26,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:26,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:26,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:26,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:26,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:26,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:26,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:26,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:26,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:26,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:55:26,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:26,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:26,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:26,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:26,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:26,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:26,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:26,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:26,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:26,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:26,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:26,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:26,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:55:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:26,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:26,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:26,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:26,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:26,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:26,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:26,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:26,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:26,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:26,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:26,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:26,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 19:55:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:26,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:26,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:26,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:26,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:26,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:26,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:26,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:26,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:26,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:26,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:26,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:26,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-28 19:55:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:26,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:26,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:26,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 19:55:26,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:26,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 19:55:26,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:26,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:26,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:26,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 19:55:26,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:26,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:26,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-28 19:55:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:26,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:26,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:26,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:55:26,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:26,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:26,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:26,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:26,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:26,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:55:26,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:26,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:26,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:55:26,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1081954705] [2020-10-28 19:55:26,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:55:26,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:55:26,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322888317] [2020-10-28 19:55:26,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:55:26,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:55:26,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:55:26,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:55:26,957 INFO L87 Difference]: Start difference. First operand 473 states and 695 transitions. Second operand 8 states. [2020-10-28 19:55:27,455 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-10-28 19:55:27,652 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-28 19:55:28,150 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-10-28 19:55:28,410 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 19:55:36,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:55:36,254 INFO L93 Difference]: Finished difference Result 1229 states and 1883 transitions. [2020-10-28 19:55:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 19:55:36,255 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 233 [2020-10-28 19:55:36,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:55:36,263 INFO L225 Difference]: With dead ends: 1229 [2020-10-28 19:55:36,263 INFO L226 Difference]: Without dead ends: 774 [2020-10-28 19:55:36,266 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-28 19:55:36,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2020-10-28 19:55:36,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 473. [2020-10-28 19:55:36,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-10-28 19:55:36,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 694 transitions. [2020-10-28 19:55:36,383 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 694 transitions. Word has length 233 [2020-10-28 19:55:36,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:55:36,384 INFO L481 AbstractCegarLoop]: Abstraction has 473 states and 694 transitions. [2020-10-28 19:55:36,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:55:36,384 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 694 transitions. [2020-10-28 19:55:36,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-28 19:55:36,388 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:55:36,389 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:55:36,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 19:55:36,389 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:55:36,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:55:36,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1808445296, now seen corresponding path program 1 times [2020-10-28 19:55:36,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:55:36,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1849520234] [2020-10-28 19:55:36,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:55:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:36,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:36,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:36,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:36,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:36,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:36,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:37,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:41,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:41,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-10-28 19:55:41,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 19:55:41,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-28 19:55:41,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:41,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:41,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:55:41,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:55:41,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-28 19:55:41,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:42,028 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-28 19:55:42,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:55:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:42,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:42,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:42,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:42,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:42,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 19:55:42,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:42,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:42,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:42,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:42,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:55:42,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:42,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:55:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:42,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:42,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:42,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:42,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:42,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:55:42,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:42,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:42,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:42,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:42,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:55:42,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:42,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:55:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:42,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:42,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:42,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:55:42,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:42,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:42,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:42,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:42,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:42,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:42,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:55:42,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:42,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:55:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:42,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:42,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:42,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 19:55:42,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:42,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:55:42,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:42,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:42,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:42,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:42,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 19:55:42,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:42,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 19:55:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:42,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:42,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:42,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 19:55:42,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:42,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 19:55:42,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:42,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:42,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:55:42,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:55:42,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 19:55:42,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:42,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-28 19:55:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:42,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:42,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:42,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:42,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:42,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:42,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-28 19:55:47,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 19:55:47,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 19:55:47,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:47,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-28 19:55:47,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:47,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 19:55:47,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:55:47,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:47,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:47,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:47,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:47,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:47,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:47,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:47,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:47,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:55:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:47,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:47,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:47,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:47,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:47,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:47,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:47,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:47,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:55:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:47,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:47,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:47,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:47,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:47,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:47,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:47,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:47,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:55:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:47,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:47,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:47,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:47,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:47,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:47,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:47,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:47,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:55:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:47,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:47,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:47,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:47,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:47,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:47,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:47,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:47,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:55:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:47,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:47,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:47,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:47,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:47,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:47,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:47,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:47,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:55:47,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:47,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:47,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:47,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:47,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:47,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:47,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:47,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:47,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:55:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:47,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:47,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:47,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:47,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:47,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:47,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:47,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:47,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:55:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:47,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:47,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:47,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:47,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:47,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:47,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:47,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:47,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:55:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:47,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:47,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:47,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:47,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:47,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:47,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:47,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:47,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:55:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:47,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:47,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:47,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:47,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:47,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:47,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:47,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:47,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:55:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:47,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:47,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:47,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:55:47,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:47,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:47,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:47,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:47,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 19:55:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:47,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:47,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:47,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:47,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:47,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:47,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:47,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:47,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-28 19:55:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:47,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 19:55:47,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:47,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 19:55:47,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:47,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 19:55:47,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:47,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:47,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-28 19:55:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:47,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:55:47,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:47,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:47,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:47,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:55:47,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:47,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:47,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:55:47,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1849520234] [2020-10-28 19:55:47,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:55:47,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:55:47,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269290797] [2020-10-28 19:55:47,623 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:55:47,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:55:47,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:55:47,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:55:47,624 INFO L87 Difference]: Start difference. First operand 473 states and 694 transitions. Second operand 9 states. [2020-10-28 19:55:48,132 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-10-28 19:55:48,313 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 19:55:48,575 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 19:55:55,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:55:55,863 INFO L93 Difference]: Finished difference Result 1217 states and 1869 transitions. [2020-10-28 19:55:55,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 19:55:55,865 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 233 [2020-10-28 19:55:55,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:55:55,872 INFO L225 Difference]: With dead ends: 1217 [2020-10-28 19:55:55,873 INFO L226 Difference]: Without dead ends: 774 [2020-10-28 19:55:55,875 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-28 19:55:55,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2020-10-28 19:55:55,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 473. [2020-10-28 19:55:55,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-10-28 19:55:55,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 691 transitions. [2020-10-28 19:55:55,991 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 691 transitions. Word has length 233 [2020-10-28 19:55:55,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:55:55,992 INFO L481 AbstractCegarLoop]: Abstraction has 473 states and 691 transitions. [2020-10-28 19:55:55,992 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:55:55,992 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 691 transitions. [2020-10-28 19:55:55,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-28 19:55:55,996 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:55:55,996 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:55:55,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 19:55:55,996 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:55:55,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:55:55,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1540982124, now seen corresponding path program 1 times [2020-10-28 19:55:55,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:55:55,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [501582566] [2020-10-28 19:55:55,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:55:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:56,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:56,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:56,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:56,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:56,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:56,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:56,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:01,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:01,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-10-28 19:56:01,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 19:56:01,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 19:56:01,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:01,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:01,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:56:01,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:56:01,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-28 19:56:01,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:01,486 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-28 19:56:01,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:56:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:01,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:01,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:01,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:56:01,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:01,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 19:56:01,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:01,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:01,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:01,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:01,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:56:01,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:01,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:56:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:01,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:01,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:01,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:56:01,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:01,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:56:01,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:01,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:01,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:01,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:01,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:56:01,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:01,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:56:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:01,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:01,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:01,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:56:01,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:01,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:01,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:01,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:01,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:01,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:01,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:56:01,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:01,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:56:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:01,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:01,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:01,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 19:56:01,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:01,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 19:56:01,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:01,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:01,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:01,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:01,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 19:56:01,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:01,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 19:56:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:01,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:01,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:01,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 19:56:01,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:01,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 19:56:01,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:01,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:01,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:56:01,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:56:01,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 19:56:01,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:01,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-28 19:56:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:01,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:01,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:01,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:01,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:01,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:02,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:06,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:06,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-28 19:56:06,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:56:06,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 19:56:06,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:06,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:06,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 19:56:06,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-28 19:56:06,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:56:06,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:06,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:56:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:06,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:06,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:06,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:06,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:06,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:56:06,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:06,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:06,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:06,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:06,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:06,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:06,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:56:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:06,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:06,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:06,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:06,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:06,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:06,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:06,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:06,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:06,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:06,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:06,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:06,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:56:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:06,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:06,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:06,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:06,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:06,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:06,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:06,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:06,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:06,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:06,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:06,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:06,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:56:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:06,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:06,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:06,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:06,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:06,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:06,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:06,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:06,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:06,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:06,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:06,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:06,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:56:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:06,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:06,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:06,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:06,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:06,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:06,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:06,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:06,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:06,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:06,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:06,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:06,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:56:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:06,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:06,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:06,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:06,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:06,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:06,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:06,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:06,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:06,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:06,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:06,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:06,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:56:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:06,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:06,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:06,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:06,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:06,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:56:06,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:06,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:06,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:56:06,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:06,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:56:06,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:06,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:56:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:06,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:06,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:06,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:06,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:06,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:06,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:06,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:06,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:06,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:56:06,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:06,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:06,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:56:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:06,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:06,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:06,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:06,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:06,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:56:06,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:06,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:06,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:06,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:56:06,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:06,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:06,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:56:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:06,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:06,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:06,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:06,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:06,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:06,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:06,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:06,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:06,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:56:06,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:06,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:06,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:56:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:06,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:06,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:06,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:06,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:06,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:56:06,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:06,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:06,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:06,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:56:06,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:06,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:06,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:56:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:06,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:07,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:07,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:07,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:07,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:07,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:07,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:07,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:07,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:56:07,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:07,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:07,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 19:56:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:07,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:07,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:07,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:07,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:07,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:07,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:07,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:07,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:07,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:56:07,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:07,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:07,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-28 19:56:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:07,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:07,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:07,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 19:56:07,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:07,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 19:56:07,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:07,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:07,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:07,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 19:56:07,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:07,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:07,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-28 19:56:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:07,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:07,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:07,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:56:07,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:07,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:07,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:07,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:07,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:07,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:56:07,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:07,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:07,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:56:07,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [501582566] [2020-10-28 19:56:07,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:56:07,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-28 19:56:07,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86758881] [2020-10-28 19:56:07,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 19:56:07,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:56:07,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 19:56:07,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-28 19:56:07,168 INFO L87 Difference]: Start difference. First operand 473 states and 691 transitions. Second operand 13 states. [2020-10-28 19:56:07,644 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-10-28 19:56:07,826 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 19:56:08,085 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 19:56:10,672 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-28 19:56:11,136 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-10-28 19:56:11,617 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-28 19:56:11,808 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-28 19:56:12,297 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-10-28 19:56:12,488 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-28 19:56:21,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:56:21,541 INFO L93 Difference]: Finished difference Result 1244 states and 1954 transitions. [2020-10-28 19:56:21,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 19:56:21,542 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 233 [2020-10-28 19:56:21,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:56:21,549 INFO L225 Difference]: With dead ends: 1244 [2020-10-28 19:56:21,550 INFO L226 Difference]: Without dead ends: 801 [2020-10-28 19:56:21,553 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-28 19:56:21,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2020-10-28 19:56:21,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 478. [2020-10-28 19:56:21,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2020-10-28 19:56:21,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 693 transitions. [2020-10-28 19:56:21,671 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 693 transitions. Word has length 233 [2020-10-28 19:56:21,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:56:21,672 INFO L481 AbstractCegarLoop]: Abstraction has 478 states and 693 transitions. [2020-10-28 19:56:21,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 19:56:21,672 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 693 transitions. [2020-10-28 19:56:21,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-28 19:56:21,675 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:56:21,676 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:56:21,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 19:56:21,676 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:56:21,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:56:21,677 INFO L82 PathProgramCache]: Analyzing trace with hash 770864370, now seen corresponding path program 1 times [2020-10-28 19:56:21,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:56:21,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [68731464] [2020-10-28 19:56:21,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:56:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:21,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:21,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:21,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:21,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:22,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:22,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:24,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:26,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:26,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-10-28 19:56:26,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 19:56:26,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 19:56:26,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:26,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:26,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:56:26,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:56:26,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-28 19:56:26,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,190 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-28 19:56:27,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:56:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:56:27,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 19:56:27,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:27,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:27,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:56:27,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 19:56:27,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:56:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:56:27,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:56:27,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:27,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:27,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:56:27,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:56:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:56:27,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:27,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:27,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:27,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:56:27,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:56:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 19:56:27,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:56:27,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:27,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:27,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 19:56:27,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 19:56:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 19:56:27,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 19:56:27,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:56:27,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:56:27,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 19:56:27,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-28 19:56:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:32,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:32,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-28 19:56:32,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:56:32,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 19:56:32,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:32,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:32,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:32,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-28 19:56:32,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:32,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:32,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:56:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:32,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:32,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:32,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:32,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:32,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:32,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:32,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:32,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:32,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:32,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:32,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:32,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:56:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:32,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:32,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:32,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:32,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:32,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:32,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:32,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:32,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:32,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:32,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:32,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:32,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:56:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:32,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:32,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:32,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:32,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:32,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:32,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:32,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:32,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:32,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:32,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:32,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:32,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:56:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:32,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:32,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:32,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:32,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:32,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:32,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:32,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:32,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:32,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:32,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:32,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:32,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:56:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:32,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:32,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:32,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:32,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:32,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:32,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:32,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:32,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:32,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:32,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:32,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:32,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:56:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:32,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:32,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:32,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:32,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:32,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:32,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:32,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:32,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:32,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:32,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:32,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:32,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:56:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:32,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:32,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:32,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:32,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:32,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:32,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:32,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:32,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:32,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:32,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:32,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:32,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:56:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:32,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:32,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:32,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:32,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:32,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:32,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:32,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:32,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:32,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:32,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:32,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:32,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:56:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:32,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:32,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:32,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:32,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:32,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:32,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:32,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:32,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:32,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:32,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:32,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:32,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:56:32,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:32,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:32,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:32,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:32,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:32,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:32,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:32,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:32,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:32,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:32,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:32,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:32,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:56:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:32,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:32,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:32,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:32,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:32,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:32,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:32,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:32,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:32,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:32,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:32,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:32,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:56:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:32,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:32,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:32,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:32,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:32,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:32,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:32,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:32,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:32,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:32,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:32,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:32,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 19:56:32,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:32,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:32,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:32,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:32,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:32,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:32,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:32,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:32,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:32,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:32,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:32,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:32,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-28 19:56:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:32,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:32,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:32,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 19:56:32,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:32,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:56:32,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:32,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:32,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:32,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 19:56:32,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:32,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:32,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-28 19:56:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:32,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:32,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:32,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:56:32,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:32,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:32,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:32,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:32,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:32,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:56:32,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:32,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:32,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:56:32,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [68731464] [2020-10-28 19:56:32,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:56:32,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:56:32,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128147211] [2020-10-28 19:56:32,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:56:32,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:56:32,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:56:32,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:56:32,707 INFO L87 Difference]: Start difference. First operand 478 states and 693 transitions. Second operand 9 states. [2020-10-28 19:56:33,150 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-10-28 19:56:33,318 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 19:56:33,552 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 19:56:42,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:56:42,180 INFO L93 Difference]: Finished difference Result 1229 states and 1864 transitions. [2020-10-28 19:56:42,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 19:56:42,181 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 233 [2020-10-28 19:56:42,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:56:42,187 INFO L225 Difference]: With dead ends: 1229 [2020-10-28 19:56:42,187 INFO L226 Difference]: Without dead ends: 781 [2020-10-28 19:56:42,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-28 19:56:42,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2020-10-28 19:56:42,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 478. [2020-10-28 19:56:42,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2020-10-28 19:56:42,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 690 transitions. [2020-10-28 19:56:42,303 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 690 transitions. Word has length 233 [2020-10-28 19:56:42,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:56:42,303 INFO L481 AbstractCegarLoop]: Abstraction has 478 states and 690 transitions. [2020-10-28 19:56:42,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:56:42,303 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 690 transitions. [2020-10-28 19:56:42,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-28 19:56:42,307 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:56:42,307 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:56:42,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 19:56:42,308 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:56:42,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:56:42,308 INFO L82 PathProgramCache]: Analyzing trace with hash 779524590, now seen corresponding path program 1 times [2020-10-28 19:56:42,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:56:42,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2052507367] [2020-10-28 19:56:42,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:56:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:42,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:42,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:42,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:42,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:42,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:42,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:43,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:47,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:47,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-10-28 19:56:47,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 19:56:47,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-28 19:56:47,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:47,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:47,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:56:47,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:56:47,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 19:56:47,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:47,817 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-28 19:56:47,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:56:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:47,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:47,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:47,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:56:47,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:47,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 19:56:47,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:47,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:47,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:47,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:47,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:56:47,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:47,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:56:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:47,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:47,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:47,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:56:47,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:47,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:56:47,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:47,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:47,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:47,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:47,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:56:47,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:47,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:56:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:47,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:47,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:47,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:56:47,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:47,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:47,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:47,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:47,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:47,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:47,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:56:47,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:47,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:56:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:47,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:47,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:47,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 19:56:47,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:47,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 19:56:47,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:47,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:47,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:47,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:47,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 19:56:47,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:48,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 19:56:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:48,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:48,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:48,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 19:56:48,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:48,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 19:56:48,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:48,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:48,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:56:48,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:56:48,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 19:56:48,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:48,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-28 19:56:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:48,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:48,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:48,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:48,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:48,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:48,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-28 19:56:53,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:56:53,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 19:56:53,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-28 19:56:53,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:56:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:53,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:53,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:53,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:53,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:53,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:56:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:53,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:53,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:53,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:53,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:53,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:56:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:53,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:53,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:53,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:53,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:53,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:56:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:53,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:53,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:53,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:53,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:53,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:56:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:53,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:53,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:53,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:53,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:53,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:56:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:53,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:53,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:53,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:53,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:53,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:56:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:53,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:53,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:53,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:53,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:53,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:56:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:53,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:53,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:53,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:53,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:53,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:56:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:53,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:53,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:53,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:53,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:53,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:56:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:53,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:53,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:53,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:53,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:53,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:56:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:53,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:53,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:53,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:53,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:53,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:56:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:53,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:53,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:53,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:53,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:53,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 19:56:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:53,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:53,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:53,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:53,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:53,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-28 19:56:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:53,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 19:56:53,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:53,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:56:53,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 19:56:53,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-28 19:56:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:53,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:53,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:53,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:56:53,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:53,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:53,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:53,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:53,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:53,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:56:53,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:53,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:53,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:56:53,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2052507367] [2020-10-28 19:56:53,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:56:53,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:56:53,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161002515] [2020-10-28 19:56:53,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:56:53,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:56:53,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:56:53,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:56:53,301 INFO L87 Difference]: Start difference. First operand 478 states and 690 transitions. Second operand 9 states. [2020-10-28 19:56:53,793 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-10-28 19:56:53,972 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 19:56:54,220 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 19:57:02,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:57:02,912 INFO L93 Difference]: Finished difference Result 1229 states and 1855 transitions. [2020-10-28 19:57:02,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 19:57:02,913 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 233 [2020-10-28 19:57:02,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:57:02,919 INFO L225 Difference]: With dead ends: 1229 [2020-10-28 19:57:02,920 INFO L226 Difference]: Without dead ends: 781 [2020-10-28 19:57:02,922 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-28 19:57:02,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2020-10-28 19:57:03,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 478. [2020-10-28 19:57:03,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2020-10-28 19:57:03,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 687 transitions. [2020-10-28 19:57:03,036 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 687 transitions. Word has length 233 [2020-10-28 19:57:03,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:57:03,037 INFO L481 AbstractCegarLoop]: Abstraction has 478 states and 687 transitions. [2020-10-28 19:57:03,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:57:03,037 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 687 transitions. [2020-10-28 19:57:03,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-28 19:57:03,040 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:57:03,040 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:57:03,040 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 19:57:03,040 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:57:03,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:57:03,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1215778132, now seen corresponding path program 1 times [2020-10-28 19:57:03,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:57:03,041 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [862355951] [2020-10-28 19:57:03,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:57:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:03,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:03,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:03,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:03,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:03,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:03,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:03,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:08,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:08,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-10-28 19:57:08,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 19:57:08,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 19:57:08,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:08,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:08,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:57:08,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:57:08,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-28 19:57:08,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:08,511 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-28 19:57:08,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:57:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:08,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:08,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:08,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:57:08,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:08,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 19:57:08,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:08,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:08,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:08,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:08,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:57:08,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:08,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:57:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:08,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:08,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:08,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:57:08,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:08,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:57:08,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:08,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:08,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:08,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:08,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:57:08,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:08,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:57:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:08,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:08,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:08,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:57:08,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:08,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:08,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:08,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:08,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:08,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:08,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:57:08,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:08,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:57:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:08,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:08,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:08,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 19:57:08,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:08,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:57:08,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:08,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:08,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:08,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:08,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 19:57:08,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:08,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 19:57:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:08,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:08,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:08,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 19:57:08,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:08,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 19:57:08,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:08,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:08,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:57:08,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:57:08,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 19:57:08,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:08,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-28 19:57:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:08,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:08,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:08,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:08,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:08,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:09,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-28 19:57:13,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:57:13,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 19:57:13,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-28 19:57:13,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:57:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:13,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:13,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:13,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:13,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:13,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:57:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:13,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:13,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:13,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:13,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:13,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:57:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:13,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:13,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:13,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:13,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:13,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:57:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:13,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:13,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:13,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:13,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:13,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:57:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:13,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:13,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:13,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:13,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:13,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:57:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:13,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:13,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:13,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:13,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:13,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:57:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:13,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:13,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:13,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:13,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:13,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:57:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:13,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:13,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:13,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:13,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:13,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:57:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:13,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:13,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:13,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:13,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:13,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:57:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:13,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:13,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:13,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:13,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:13,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:57:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:13,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:13,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:13,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:13,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:13,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:57:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:13,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:13,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:13,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:13,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:13,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 19:57:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:13,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:13,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:13,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:13,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:13,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-28 19:57:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:13,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 19:57:13,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:13,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:57:13,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 19:57:13,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-28 19:57:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:13,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:13,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:13,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:57:13,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:13,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:13,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:13,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:13,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:13,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:57:13,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:13,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:13,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:57:13,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [862355951] [2020-10-28 19:57:13,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:57:13,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:57:13,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902108412] [2020-10-28 19:57:13,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:57:13,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:57:13,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:57:13,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:57:13,938 INFO L87 Difference]: Start difference. First operand 478 states and 687 transitions. Second operand 9 states. [2020-10-28 19:57:14,430 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-10-28 19:57:14,624 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 19:57:14,869 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 19:57:23,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:57:23,475 INFO L93 Difference]: Finished difference Result 1229 states and 1846 transitions. [2020-10-28 19:57:23,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 19:57:23,476 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 233 [2020-10-28 19:57:23,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:57:23,481 INFO L225 Difference]: With dead ends: 1229 [2020-10-28 19:57:23,481 INFO L226 Difference]: Without dead ends: 781 [2020-10-28 19:57:23,483 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-28 19:57:23,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2020-10-28 19:57:23,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 478. [2020-10-28 19:57:23,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2020-10-28 19:57:23,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 684 transitions. [2020-10-28 19:57:23,608 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 684 transitions. Word has length 233 [2020-10-28 19:57:23,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:57:23,608 INFO L481 AbstractCegarLoop]: Abstraction has 478 states and 684 transitions. [2020-10-28 19:57:23,608 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:57:23,608 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 684 transitions. [2020-10-28 19:57:23,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-28 19:57:23,610 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:57:23,611 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:57:23,611 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 19:57:23,611 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:57:23,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:57:23,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1691553584, now seen corresponding path program 1 times [2020-10-28 19:57:23,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:57:23,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1924942029] [2020-10-28 19:57:23,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:57:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:23,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:23,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:23,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:23,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:23,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:23,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:24,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:28,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:28,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-10-28 19:57:28,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 19:57:28,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 19:57:28,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:28,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:28,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:57:28,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:57:28,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-28 19:57:28,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:29,094 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-28 19:57:29,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:57:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:29,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:29,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:29,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:57:29,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:29,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 19:57:29,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:29,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:29,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:29,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:29,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:57:29,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:29,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:57:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:29,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:29,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:29,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:57:29,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:29,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:57:29,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:29,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:29,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:29,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:29,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:57:29,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:29,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:57:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:29,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:29,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:29,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:57:29,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:29,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:29,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:29,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:29,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:29,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:29,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:57:29,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:29,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:57:29,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:29,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:29,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:29,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 19:57:29,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:29,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:57:29,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:29,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:29,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:29,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:29,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 19:57:29,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:29,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 19:57:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:29,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:29,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:29,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 19:57:29,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:29,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 19:57:29,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:29,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:29,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:57:29,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:57:29,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 19:57:29,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:29,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-28 19:57:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:29,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:29,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:29,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:29,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:29,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:29,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-28 19:57:34,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:57:34,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 19:57:34,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-28 19:57:34,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:57:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:34,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:34,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:57:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:34,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:34,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:57:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:34,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:34,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:57:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:34,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:34,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:57:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:34,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:34,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:57:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:34,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:34,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:57:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:34,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:34,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:57:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:34,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:34,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:57:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:34,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:34,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:57:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:34,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:34,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:57:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:34,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:34,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:57:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:34,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:34,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 19:57:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:34,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:34,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:34,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-28 19:57:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 19:57:34,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:57:34,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 19:57:34,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-28 19:57:34,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:34,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:34,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:34,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:57:34,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:34,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:34,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:34,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:34,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:34,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:57:34,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:34,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:34,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:57:34,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1924942029] [2020-10-28 19:57:34,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:57:34,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:57:34,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058341020] [2020-10-28 19:57:34,507 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:57:34,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:57:34,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:57:34,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:57:34,508 INFO L87 Difference]: Start difference. First operand 478 states and 684 transitions. Second operand 9 states. [2020-10-28 19:57:34,999 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-10-28 19:57:35,178 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 19:57:35,437 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 19:57:35,751 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-28 19:57:44,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:57:44,038 INFO L93 Difference]: Finished difference Result 1229 states and 1837 transitions. [2020-10-28 19:57:44,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 19:57:44,039 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 233 [2020-10-28 19:57:44,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:57:44,045 INFO L225 Difference]: With dead ends: 1229 [2020-10-28 19:57:44,045 INFO L226 Difference]: Without dead ends: 781 [2020-10-28 19:57:44,047 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-28 19:57:44,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2020-10-28 19:57:44,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 478. [2020-10-28 19:57:44,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2020-10-28 19:57:44,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 681 transitions. [2020-10-28 19:57:44,196 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 681 transitions. Word has length 233 [2020-10-28 19:57:44,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:57:44,197 INFO L481 AbstractCegarLoop]: Abstraction has 478 states and 681 transitions. [2020-10-28 19:57:44,197 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:57:44,197 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 681 transitions. [2020-10-28 19:57:44,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-28 19:57:44,199 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:57:44,199 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:57:44,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 19:57:44,200 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:57:44,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:57:44,200 INFO L82 PathProgramCache]: Analyzing trace with hash -431418836, now seen corresponding path program 1 times [2020-10-28 19:57:44,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:57:44,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1013440440] [2020-10-28 19:57:44,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:57:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:44,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:44,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:44,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:44,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:44,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:44,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:44,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:46,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:49,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:49,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-10-28 19:57:49,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 19:57:49,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 19:57:49,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:49,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:49,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:57:49,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:57:49,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-28 19:57:49,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:49,697 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-28 19:57:49,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:57:49,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:49,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:49,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:49,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:57:49,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:49,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 19:57:49,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:49,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:49,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:49,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:49,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:57:49,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:49,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:57:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:49,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:49,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:49,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:57:49,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:49,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:57:49,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:49,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:49,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:49,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:49,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:57:49,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:49,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:57:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:49,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:49,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:49,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:57:49,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:49,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:49,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:49,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:49,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:49,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:49,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:57:49,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:49,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:57:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:49,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:49,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:49,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 19:57:49,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:49,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:57:49,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:49,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:49,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:57:49,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:49,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 19:57:49,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:49,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 19:57:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:49,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:49,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:49,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 19:57:49,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:49,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 19:57:49,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:49,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:49,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:57:49,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:57:49,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 19:57:49,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:49,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-28 19:57:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:49,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:50,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:50,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:50,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:50,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:50,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:54,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:54,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-28 19:57:54,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:57:54,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 19:57:54,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:54,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:54,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:54,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-28 19:57:54,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:54,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:54,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:57:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:54,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:54,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:54,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:54,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:54,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:54,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:54,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:54,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:54,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:55,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:55,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:55,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:57:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:55,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:55,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:55,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:55,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:55,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:55,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:55,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:55,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:55,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:55,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:55,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:55,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:57:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:55,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:55,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:55,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:55,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:55,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:55,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:55,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:55,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:55,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:55,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:55,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:55,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:57:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:55,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:55,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:55,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:55,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:55,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:55,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:55,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:55,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:55,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:55,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:55,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:55,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:57:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:55,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:55,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:55,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:55,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:55,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:55,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:55,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:55,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:55,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:55,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:55,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:55,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:57:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:55,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:55,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:55,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:55,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:55,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:55,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:55,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:55,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:55,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:55,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:55,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:55,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:57:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:55,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:55,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:55,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:55,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:55,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:55,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:55,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:55,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:55,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:55,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:55,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:55,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:57:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:55,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:55,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:55,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:55,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:55,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:55,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:55,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:55,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:55,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:55,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:55,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:55,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:57:55,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:55,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:55,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:55,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:55,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:55,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:57:55,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:55,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:55,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:55,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:55,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:55,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:55,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:57:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:55,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:55,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:55,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:55,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:55,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:55,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:55,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:55,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:55,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:55,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:55,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:55,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:57:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:55,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:55,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:55,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:55,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:55,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:57:55,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:55,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:55,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:55,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:55,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:55,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:55,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:57:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:55,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:55,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:55,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:55,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:55,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:55,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:55,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:55,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:55,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:55,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:55,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:55,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 19:57:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:55,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:55,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:55,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:57:55,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:55,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:55,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:55,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:55,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:55,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:57:55,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:55,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:55,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-28 19:57:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:55,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:55,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:55,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 19:57:55,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:55,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:57:55,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:55,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:55,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:55,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 19:57:55,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:55,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:55,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-28 19:57:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:57:55,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:57:55,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:57:55,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:57:55,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:57:55,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:57:55,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:57:55,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:57:55,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:57:55,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:57:55,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:57:55,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:57:55,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:57:55,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1013440440] [2020-10-28 19:57:55,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:57:55,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:57:55,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79981518] [2020-10-28 19:57:55,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:57:55,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:57:55,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:57:55,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:57:55,136 INFO L87 Difference]: Start difference. First operand 478 states and 681 transitions. Second operand 9 states. [2020-10-28 19:57:55,599 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-10-28 19:57:55,766 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 19:57:55,996 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 19:58:04,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:58:04,517 INFO L93 Difference]: Finished difference Result 1229 states and 1828 transitions. [2020-10-28 19:58:04,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 19:58:04,518 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 233 [2020-10-28 19:58:04,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:58:04,523 INFO L225 Difference]: With dead ends: 1229 [2020-10-28 19:58:04,523 INFO L226 Difference]: Without dead ends: 781 [2020-10-28 19:58:04,525 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-28 19:58:04,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2020-10-28 19:58:04,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 478. [2020-10-28 19:58:04,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2020-10-28 19:58:04,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 678 transitions. [2020-10-28 19:58:04,660 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 678 transitions. Word has length 233 [2020-10-28 19:58:04,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:58:04,660 INFO L481 AbstractCegarLoop]: Abstraction has 478 states and 678 transitions. [2020-10-28 19:58:04,660 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:58:04,660 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 678 transitions. [2020-10-28 19:58:04,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-28 19:58:04,662 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:58:04,662 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:58:04,662 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 19:58:04,662 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:58:04,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:58:04,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1793175376, now seen corresponding path program 1 times [2020-10-28 19:58:04,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:58:04,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1853763311] [2020-10-28 19:58:04,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:58:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:04,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:04,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:04,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:04,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:04,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:04,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:05,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:06,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:09,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:09,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-10-28 19:58:09,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 19:58:09,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 19:58:09,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:09,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:09,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:58:09,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:58:09,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-28 19:58:09,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:10,147 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-28 19:58:10,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:58:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:10,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:10,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:10,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:58:10,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:10,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 19:58:10,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:10,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:10,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:58:10,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:10,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:58:10,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:10,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:58:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:10,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:10,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:10,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:58:10,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:10,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:58:10,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:10,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:10,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:58:10,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:10,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:58:10,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:10,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:58:10,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:10,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:10,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:10,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:58:10,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:10,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:58:10,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:10,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:10,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:58:10,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:10,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:58:10,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:10,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:58:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:10,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:10,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:10,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 19:58:10,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:10,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 19:58:10,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:10,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:10,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:58:10,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:10,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 19:58:10,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:10,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 19:58:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:10,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:10,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:10,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 19:58:10,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:10,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 19:58:10,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:10,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:10,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:58:10,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:58:10,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 19:58:10,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:10,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-28 19:58:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:10,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:10,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:10,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:10,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:10,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:10,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:13,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:15,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:15,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-28 19:58:15,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 19:58:15,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 19:58:15,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:15,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:15,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:15,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-28 19:58:15,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:15,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:15,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:58:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:15,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:15,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:15,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:15,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:15,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:58:15,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:15,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:15,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:15,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:15,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:15,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:15,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:58:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:15,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:15,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:15,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:15,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:15,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:58:15,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:15,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:15,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:15,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:15,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:15,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:15,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:58:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:15,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:15,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:15,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:15,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:15,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:58:15,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:15,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:15,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:15,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:15,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:15,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:15,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:58:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:15,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:15,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:15,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:15,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:15,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:58:15,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:15,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:15,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:15,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:15,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:15,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:15,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:58:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:15,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:15,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:15,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:15,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:15,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:58:15,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:15,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:15,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:15,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:15,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:15,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:15,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:58:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:15,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:15,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:15,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:15,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:15,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:58:15,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:15,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:15,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:15,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:15,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:15,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:15,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:58:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:15,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:15,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:15,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:15,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:15,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:58:15,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:15,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:15,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:15,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:15,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:15,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:15,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:58:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:15,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:15,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:15,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:15,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:15,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:58:15,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:15,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:15,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:15,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:15,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:15,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:15,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:58:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:15,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:15,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:15,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:15,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:15,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:58:15,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:15,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:15,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:15,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:15,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:15,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:15,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 19:58:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:15,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:15,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:15,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:15,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:15,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:58:15,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:15,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:15,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:15,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:15,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:15,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:15,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 19:58:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:15,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:15,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:15,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:15,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:15,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:58:15,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:15,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:15,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:15,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:15,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:15,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:15,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 19:58:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:15,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:15,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:15,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:15,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:15,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:58:15,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:15,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:15,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:15,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:15,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:15,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:15,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 19:58:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:15,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:15,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:15,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:58:15,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:15,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:58:15,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:15,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:15,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:15,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:15,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:15,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:15,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-28 19:58:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:15,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:15,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:15,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 19:58:15,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:15,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:58:15,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:15,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:15,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:15,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 19:58:15,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:15,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:15,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-28 19:58:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:15,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:15,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:15,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:58:15,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:15,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:58:15,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:15,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:15,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:58:15,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:58:15,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:58:15,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:15,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:58:15,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1853763311] [2020-10-28 19:58:15,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:58:15,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:58:15,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580951985] [2020-10-28 19:58:15,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:58:15,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:58:15,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:58:15,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:58:15,581 INFO L87 Difference]: Start difference. First operand 478 states and 678 transitions. Second operand 9 states. [2020-10-28 19:58:16,040 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-10-28 19:58:16,220 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 19:58:16,453 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-28 19:58:23,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:58:23,241 INFO L93 Difference]: Finished difference Result 1229 states and 1819 transitions. [2020-10-28 19:58:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 19:58:23,242 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 233 [2020-10-28 19:58:23,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:58:23,246 INFO L225 Difference]: With dead ends: 1229 [2020-10-28 19:58:23,247 INFO L226 Difference]: Without dead ends: 781 [2020-10-28 19:58:23,249 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-28 19:58:23,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2020-10-28 19:58:23,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 478. [2020-10-28 19:58:23,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2020-10-28 19:58:23,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 675 transitions. [2020-10-28 19:58:23,382 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 675 transitions. Word has length 233 [2020-10-28 19:58:23,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:58:23,383 INFO L481 AbstractCegarLoop]: Abstraction has 478 states and 675 transitions. [2020-10-28 19:58:23,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:58:23,383 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 675 transitions. [2020-10-28 19:58:23,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-28 19:58:23,384 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:58:23,384 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:58:23,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 19:58:23,385 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:58:23,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:58:23,385 INFO L82 PathProgramCache]: Analyzing trace with hash 656748972, now seen corresponding path program 1 times [2020-10-28 19:58:23,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:58:23,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [879014295] [2020-10-28 19:58:23,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:58:23,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:23,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:23,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:23,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:23,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:23,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:23,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:23,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:25,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:28,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:28,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-10-28 19:58:28,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 19:58:28,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 19:58:28,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:28,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:28,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:58:28,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:58:28,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-28 19:58:28,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:28,878 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-28 19:58:28,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:58:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:28,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:28,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:28,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:58:28,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:28,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 19:58:28,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:28,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:28,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:58:28,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:28,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:58:28,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:28,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:58:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:28,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:28,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:28,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:58:28,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:28,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:58:28,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:28,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:28,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:58:28,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:28,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:58:28,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:28,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:58:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:28,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:28,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:28,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:58:28,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:28,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:58:28,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:28,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:28,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:58:28,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:28,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:58:28,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:29,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:58:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:29,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:29,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:29,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-28 19:58:29,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:29,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:58:29,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:29,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:29,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:58:29,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:58:29,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 19:58:29,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:29,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 19:58:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:29,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:29,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:58:29,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 19:58:29,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:58:29,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 19:58:29,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:58:29,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:58:29,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:58:29,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:58:29,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 19:58:29,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:58:29,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-28 19:58:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:58:29,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:29,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:29,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:29,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:58:29,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking...