/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.08.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 19:53:10,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 19:53:10,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 19:53:10,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 19:53:10,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 19:53:10,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 19:53:10,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 19:53:10,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 19:53:10,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 19:53:10,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 19:53:10,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 19:53:10,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 19:53:10,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 19:53:10,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 19:53:10,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 19:53:10,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 19:53:10,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 19:53:10,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 19:53:10,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 19:53:10,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 19:53:10,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 19:53:10,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 19:53:10,624 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 19:53:10,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 19:53:10,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 19:53:10,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 19:53:10,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 19:53:10,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 19:53:10,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 19:53:10,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 19:53:10,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 19:53:10,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 19:53:10,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 19:53:10,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 19:53:10,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 19:53:10,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 19:53:10,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 19:53:10,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 19:53:10,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 19:53:10,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 19:53:10,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 19:53:10,654 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 19:53:10,680 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 19:53:10,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 19:53:10,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 19:53:10,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 19:53:10,683 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 19:53:10,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 19:53:10,683 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 19:53:10,684 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 19:53:10,684 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 19:53:10,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 19:53:10,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 19:53:10,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 19:53:10,685 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 19:53:10,685 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 19:53:10,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 19:53:10,685 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 19:53:10,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 19:53:10,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 19:53:10,686 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 19:53:10,686 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 19:53:10,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 19:53:10,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 19:53:10,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 19:53:10,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 19:53:10,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 19:53:10,687 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 19:53:10,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 19:53:10,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 19:53:10,688 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 19:53:10,688 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 19:53:11,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 19:53:11,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 19:53:11,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 19:53:11,094 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 19:53:11,095 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 19:53:11,096 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.08.cil-2.c [2020-10-28 19:53:11,172 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/644712a4b/ed7f78e9149a49dd8ba8198ebdd04209/FLAGe183085a7 [2020-10-28 19:53:11,887 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 19:53:11,891 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.08.cil-2.c [2020-10-28 19:53:11,916 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/644712a4b/ed7f78e9149a49dd8ba8198ebdd04209/FLAGe183085a7 [2020-10-28 19:53:12,154 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/644712a4b/ed7f78e9149a49dd8ba8198ebdd04209 [2020-10-28 19:53:12,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 19:53:12,171 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 19:53:12,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 19:53:12,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 19:53:12,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 19:53:12,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:53:12" (1/1) ... [2020-10-28 19:53:12,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19bcea3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:53:12, skipping insertion in model container [2020-10-28 19:53:12,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:53:12" (1/1) ... [2020-10-28 19:53:12,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 19:53:12,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 19:53:12,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:53:12,574 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 19:53:12,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:53:12,688 INFO L208 MainTranslator]: Completed translation [2020-10-28 19:53:12,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:53:12 WrapperNode [2020-10-28 19:53:12,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 19:53:12,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 19:53:12,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 19:53:12,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 19:53:12,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:53:12" (1/1) ... [2020-10-28 19:53:12,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:53:12" (1/1) ... [2020-10-28 19:53:12,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:53:12" (1/1) ... [2020-10-28 19:53:12,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:53:12" (1/1) ... [2020-10-28 19:53:12,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:53:12" (1/1) ... [2020-10-28 19:53:12,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:53:12" (1/1) ... [2020-10-28 19:53:12,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:53:12" (1/1) ... [2020-10-28 19:53:12,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 19:53:12,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 19:53:12,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 19:53:12,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 19:53:12,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:53:12" (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 19:53:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 19:53:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 19:53:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 19:53:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-28 19:53:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-28 19:53:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-28 19:53:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-28 19:53:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-28 19:53:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-28 19:53:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-28 19:53:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-28 19:53:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-28 19:53:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-28 19:53:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-28 19:53:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-28 19:53:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-28 19:53:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-28 19:53:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-28 19:53:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-28 19:53:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-28 19:53:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-28 19:53:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-28 19:53:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-28 19:53:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-28 19:53:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-28 19:53:12,885 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-28 19:53:12,885 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-28 19:53:12,885 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-28 19:53:12,885 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-28 19:53:12,885 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-28 19:53:12,886 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-28 19:53:12,886 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-28 19:53:12,886 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-28 19:53:12,886 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-28 19:53:12,886 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-28 19:53:12,886 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 19:53:12,887 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 19:53:12,887 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 19:53:12,887 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 19:53:12,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 19:53:12,887 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-28 19:53:12,887 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-28 19:53:12,888 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-28 19:53:12,888 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-28 19:53:12,888 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-28 19:53:12,888 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-28 19:53:12,888 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-28 19:53:12,888 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-28 19:53:12,889 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-28 19:53:12,904 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-28 19:53:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-28 19:53:12,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 19:53:12,908 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-28 19:53:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-28 19:53:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-28 19:53:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-28 19:53:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-28 19:53:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-28 19:53:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-28 19:53:12,909 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-28 19:53:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-28 19:53:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-28 19:53:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-28 19:53:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-28 19:53:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-28 19:53:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-28 19:53:12,910 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-28 19:53:12,911 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-28 19:53:12,911 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-28 19:53:12,911 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-28 19:53:12,912 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-28 19:53:12,912 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-28 19:53:12,912 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-28 19:53:12,912 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 19:53:12,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 19:53:12,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 19:53:12,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 19:53:12,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 19:53:12,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 19:53:12,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 19:53:14,264 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 19:53:14,265 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-10-28 19:53:14,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:53:14 BoogieIcfgContainer [2020-10-28 19:53:14,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 19:53:14,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 19:53:14,273 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 19:53:14,277 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 19:53:14,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 07:53:12" (1/3) ... [2020-10-28 19:53:14,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44db0fd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:53:14, skipping insertion in model container [2020-10-28 19:53:14,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:53:12" (2/3) ... [2020-10-28 19:53:14,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44db0fd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:53:14, skipping insertion in model container [2020-10-28 19:53:14,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:53:14" (3/3) ... [2020-10-28 19:53:14,281 INFO L111 eAbstractionObserver]: Analyzing ICFG token_ring.08.cil-2.c [2020-10-28 19:53:14,295 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 19:53:14,301 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 19:53:14,320 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 19:53:14,357 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 19:53:14,358 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 19:53:14,358 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 19:53:14,358 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 19:53:14,358 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 19:53:14,358 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 19:53:14,359 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 19:53:14,359 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 19:53:14,387 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states. [2020-10-28 19:53:14,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-28 19:53:14,406 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:53:14,407 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] [2020-10-28 19:53:14,408 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:53:14,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:53:14,415 INFO L82 PathProgramCache]: Analyzing trace with hash -38851422, now seen corresponding path program 1 times [2020-10-28 19:53:14,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:53:14,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1836507330] [2020-10-28 19:53:14,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:53:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:15,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:15,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:15,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:15,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:17,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:17,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:17,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:17,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:17,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:17,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:18,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:18,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:18,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:18,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:18,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:18,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:19,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:19,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:19,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:19,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:19,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:19,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:19,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:19,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:19,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:19,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-28 19:53:19,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-28 19:53:19,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-10-28 19:53:19,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:19,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:19,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:53:19,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 19:53:19,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-28 19:53:19,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 19:53:20,282 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-28 19:53:20,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:53:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:20,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:20,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:20,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:53:20,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:20,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 19:53:20,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:20,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:20,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:20,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:20,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:20,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:20,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:53:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:20,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:20,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:20,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:53:20,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:20,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:53:20,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:20,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:20,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:53:20,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:20,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:53:20,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:20,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:53:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:20,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:20,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:20,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:53:20,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:20,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:53:20,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:20,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:20,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:53:20,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:20,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:53:20,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:20,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:53:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:20,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:20,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:20,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:53:20,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:20,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 19:53:20,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:20,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:20,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:53:20,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-28 19:53:20,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:53:20,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:53:20,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 19:53:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:20,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:20,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:20,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 19:53:20,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:20,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 19:53:20,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:20,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:20,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:20,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 19:53:20,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:20,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:53:20,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:53:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:20,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:20,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:20,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:21,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:21,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:21,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 19:53:21,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:53:21,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1330 [2020-10-28 19:53:21,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:21,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:21,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:21,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-28 19:53:21,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:21,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:22,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:53:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:22,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:22,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:22,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:22,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:22,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:22,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:22,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:22,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:22,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:22,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:22,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:53:22,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:53:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:22,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:22,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:22,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:22,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:22,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:22,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:22,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:22,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:22,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:22,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:22,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:22,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:53:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:22,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:22,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:22,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:22,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:22,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:22,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:22,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:22,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:22,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:22,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:22,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:22,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:53:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:22,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:22,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:22,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:22,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:22,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:22,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:22,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:22,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:22,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:22,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:22,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:22,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:53:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:22,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:22,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:22,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:22,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:22,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:22,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:22,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:22,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:22,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:22,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:22,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:22,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:53:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:22,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:22,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:22,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:22,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:22,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:22,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:22,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:22,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:22,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:22,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:22,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:22,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:53:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:22,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:22,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:22,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:22,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:22,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:22,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:22,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:22,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:22,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:22,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:22,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:22,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:53:22,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:22,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:22,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:22,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:22,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:22,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:53:22,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:22,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:22,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:22,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:22,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:22,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:22,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:53:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:22,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:22,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:22,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:22,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:22,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:53:22,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:22,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:22,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:22,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:22,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:22,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:22,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 19:53:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:22,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:22,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:22,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 19:53:22,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:22,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 19:53:22,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:22,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:22,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:22,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 19:53:22,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:22,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:53:22,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 19:53:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:22,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:22,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:22,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:53:22,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:22,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:53:22,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:22,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:22,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:22,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:53:22,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:22,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:22,162 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 19:53:22,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1836507330] [2020-10-28 19:53:22,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:53:22,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:53:22,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843525655] [2020-10-28 19:53:22,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:53:22,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:53:22,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:53:22,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:53:22,188 INFO L87 Difference]: Start difference. First operand 365 states. Second operand 8 states. [2020-10-28 19:53:22,462 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-28 19:53:22,825 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 19:53:28,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:53:28,464 INFO L93 Difference]: Finished difference Result 925 states and 1498 transitions. [2020-10-28 19:53:28,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 19:53:28,467 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 177 [2020-10-28 19:53:28,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:53:28,512 INFO L225 Difference]: With dead ends: 925 [2020-10-28 19:53:28,513 INFO L226 Difference]: Without dead ends: 570 [2020-10-28 19:53:28,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-28 19:53:28,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2020-10-28 19:53:28,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 353. [2020-10-28 19:53:28,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2020-10-28 19:53:28,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 511 transitions. [2020-10-28 19:53:28,776 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 511 transitions. Word has length 177 [2020-10-28 19:53:28,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:53:28,777 INFO L481 AbstractCegarLoop]: Abstraction has 353 states and 511 transitions. [2020-10-28 19:53:28,777 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:53:28,777 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 511 transitions. [2020-10-28 19:53:28,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-28 19:53:28,794 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:53:28,795 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] [2020-10-28 19:53:28,795 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 19:53:28,795 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:53:28,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:53:28,798 INFO L82 PathProgramCache]: Analyzing trace with hash 572417636, now seen corresponding path program 1 times [2020-10-28 19:53:28,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:53:28,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [767277939] [2020-10-28 19:53:28,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:53:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:28,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:28,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:29,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:29,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:29,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:33,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:33,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-28 19:53:33,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:53:33,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 19:53:33,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:33,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:33,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:53:33,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 19:53:33,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-28 19:53:33,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:34,179 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-28 19:53:34,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:53:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:34,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:34,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:34,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:53:34,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:34,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 19:53:34,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:34,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:34,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:34,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:34,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:34,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:34,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:53:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:34,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:34,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:34,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:53:34,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:34,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:53:34,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:34,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:34,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:34,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:34,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:34,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:53:34,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:53:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:34,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:34,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:34,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:53:34,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:34,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:34,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:34,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:34,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:34,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:34,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:34,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:34,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:53:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:34,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:34,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:34,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:53:34,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:34,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:53:34,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:34,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:34,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:34,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:34,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:34,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:34,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 19:53:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:34,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:34,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:34,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 19:53:34,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:34,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 19:53:34,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:34,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:34,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:53:34,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:34,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:53:34,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:34,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:53:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:34,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:34,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:34,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:34,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:36,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:36,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 19:53:36,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:53:36,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2042 [2020-10-28 19:53:36,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:36,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:36,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:53:36,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:36,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-28 19:53:36,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:36,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:53:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:36,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:36,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:36,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:36,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:36,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:36,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:36,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:36,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:36,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:36,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:36,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:36,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:53:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:36,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:36,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:36,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:36,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:36,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:53:36,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:36,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:36,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:36,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:36,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:36,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:36,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:53:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:36,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:36,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:36,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:36,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:36,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:36,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:36,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:36,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:36,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:36,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:36,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:36,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:53:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:36,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:36,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:36,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:36,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:36,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:36,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:36,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:36,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:36,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:36,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:36,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:36,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:53:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:36,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:36,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:36,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:36,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:36,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:36,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:36,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:36,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:36,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:36,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:36,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:36,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:53:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:36,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:36,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:36,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:36,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:36,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:36,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:36,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:36,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:36,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:36,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:36,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:36,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:53:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:36,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:36,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:36,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:36,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:36,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:36,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:36,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:36,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:36,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:36,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:36,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:36,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:53:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:36,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:36,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:36,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:36,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:36,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:36,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:36,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:36,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:36,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:36,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:36,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:36,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:53:36,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:36,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:36,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:36,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:36,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:36,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:36,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:36,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:36,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:36,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:36,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:36,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:36,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 19:53:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:36,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:36,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:36,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 19:53:36,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:36,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 19:53:36,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:36,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:36,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:53:36,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:53:36,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 19:53:36,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:36,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 19:53:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:36,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:36,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:36,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:53:36,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:36,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:36,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:36,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:36,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:36,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:53:36,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:36,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:36,713 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 19:53:36,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [767277939] [2020-10-28 19:53:36,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:53:36,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:53:36,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543476254] [2020-10-28 19:53:36,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:53:36,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:53:36,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:53:36,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:53:36,721 INFO L87 Difference]: Start difference. First operand 353 states and 511 transitions. Second operand 9 states. [2020-10-28 19:53:38,024 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-28 19:53:40,260 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-28 19:53:48,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:53:48,408 INFO L93 Difference]: Finished difference Result 1556 states and 2377 transitions. [2020-10-28 19:53:48,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-28 19:53:48,409 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 177 [2020-10-28 19:53:48,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:53:48,422 INFO L225 Difference]: With dead ends: 1556 [2020-10-28 19:53:48,423 INFO L226 Difference]: Without dead ends: 1231 [2020-10-28 19:53:48,426 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2020-10-28 19:53:48,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1231 states. [2020-10-28 19:53:48,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1231 to 790. [2020-10-28 19:53:48,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2020-10-28 19:53:48,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1145 transitions. [2020-10-28 19:53:48,592 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1145 transitions. Word has length 177 [2020-10-28 19:53:48,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:53:48,593 INFO L481 AbstractCegarLoop]: Abstraction has 790 states and 1145 transitions. [2020-10-28 19:53:48,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:53:48,593 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1145 transitions. [2020-10-28 19:53:48,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-28 19:53:48,596 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:53:48,597 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] [2020-10-28 19:53:48,597 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 19:53:48,597 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:53:48,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:53:48,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1877182494, now seen corresponding path program 1 times [2020-10-28 19:53:48,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:53:48,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [463419097] [2020-10-28 19:53:48,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:53:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:48,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:48,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:48,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:48,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:51,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:51,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:52,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:52,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:52,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:52,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:52,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:53,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:53,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:53,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-28 19:53:53,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-28 19:53:53,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-28 19:53:53,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:53,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:53,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:53:53,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:53:53,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 156 [2020-10-28 19:53:53,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:53,870 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-28 19:53:53,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:53:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:53,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:53,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:53,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:53:53,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:53,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 19:53:53,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:53,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:53,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:53:53,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:53,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:53:53,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:53,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:53:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:53,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:53,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:53,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:53:53,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:53,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:53:53,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:53,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:53,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:53:53,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:53,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:53:53,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:53,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:53:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:53,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:53,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:53,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:53:53,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:53,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:53:53,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:53,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:53,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:53:53,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:53,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:53:53,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:53,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:53:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:54,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:54,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:54,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:53:54,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:54,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 19:53:54,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:54,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:54,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:53:54,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:54,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 19:53:54,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:53:54,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 19:53:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:54,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:54,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:54,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 19:53:54,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:54,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 19:53:54,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:54,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:54,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:53:54,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:54,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 19:53:54,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:54,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:53:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:54,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:54,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:54,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:54,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:56,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:56,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 19:53:56,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:53:56,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1934 [2020-10-28 19:53:56,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:56,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:56,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:53:56,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-28 19:53:56,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 19:53:56,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:53:56,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:53:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:56,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:56,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:56,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:56,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:56,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:53:56,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:56,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:56,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:56,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:56,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:56,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:53:56,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:53:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:56,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:56,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:56,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:56,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:56,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:53:56,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:56,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:56,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:56,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:56,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:56,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:53:56,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:53:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:56,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:56,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:56,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:56,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:56,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:53:56,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:56,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:56,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:56,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:56,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:56,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:53:56,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:53:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:56,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:56,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:56,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:56,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:56,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:53:56,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:56,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:56,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:56,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:56,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:56,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:56,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:53:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:56,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:56,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:56,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:56,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:56,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:56,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:56,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:56,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:56,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:56,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:56,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:56,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:53:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:56,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:56,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:56,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:56,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:56,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:56,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:56,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:56,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:56,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:56,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:56,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:53:56,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:53:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:56,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:56,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:56,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:56,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:56,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:53:56,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:56,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:56,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:56,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:56,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:56,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:53:56,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:53:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:56,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:56,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:56,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:56,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:56,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:56,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:56,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:56,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:56,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:56,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:56,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:56,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:53:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:56,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:56,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:56,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:56,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:56,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:53:56,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:56,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:56,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:53:56,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:56,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:53:56,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:53:56,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 19:53:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:56,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:56,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:56,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 19:53:56,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:56,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 19:53:56,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:56,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:56,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:56,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 19:53:56,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:56,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:56,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 19:53:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:56,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:56,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:56,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:53:56,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:56,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:53:56,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:56,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:56,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:56,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:53:56,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:56,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:56,254 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 19:53:56,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [463419097] [2020-10-28 19:53:56,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:53:56,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:53:56,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954671847] [2020-10-28 19:53:56,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:53:56,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:53:56,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:53:56,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:53:56,259 INFO L87 Difference]: Start difference. First operand 790 states and 1145 transitions. Second operand 8 states. [2020-10-28 19:53:56,498 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 19:53:59,840 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 19:54:06,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:54:06,048 INFO L93 Difference]: Finished difference Result 3113 states and 4786 transitions. [2020-10-28 19:54:06,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 19:54:06,049 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 177 [2020-10-28 19:54:06,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:54:06,070 INFO L225 Difference]: With dead ends: 3113 [2020-10-28 19:54:06,071 INFO L226 Difference]: Without dead ends: 2351 [2020-10-28 19:54:06,075 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-28 19:54:06,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2351 states. [2020-10-28 19:54:06,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2351 to 1582. [2020-10-28 19:54:06,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1582 states. [2020-10-28 19:54:06,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2307 transitions. [2020-10-28 19:54:06,383 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2307 transitions. Word has length 177 [2020-10-28 19:54:06,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:54:06,384 INFO L481 AbstractCegarLoop]: Abstraction has 1582 states and 2307 transitions. [2020-10-28 19:54:06,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:54:06,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2307 transitions. [2020-10-28 19:54:06,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-28 19:54:06,387 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:54:06,388 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] [2020-10-28 19:54:06,388 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 19:54:06,388 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:54:06,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:54:06,389 INFO L82 PathProgramCache]: Analyzing trace with hash 2144006307, now seen corresponding path program 1 times [2020-10-28 19:54:06,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:54:06,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [247707476] [2020-10-28 19:54:06,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:54:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:06,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:06,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:06,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:07,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:07,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:07,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:07,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:07,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:07,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:08,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:08,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:08,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:08,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:08,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:08,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:08,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:08,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:08,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:08,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:08,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:08,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:09,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:09,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:09,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:11,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:11,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-28 19:54:11,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-28 19:54:11,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-28 19:54:11,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:11,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:11,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:54:11,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:54:11,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-28 19:54:11,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:11,702 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-28 19:54:11,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:54:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:11,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:11,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:11,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:54:11,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:11,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 19:54:11,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:11,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:11,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:11,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:11,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:54:11,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:11,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:54:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:11,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:11,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:11,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:54:11,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:11,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:54:11,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:11,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:11,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:11,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:11,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:54:11,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:11,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:54:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:11,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:11,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:11,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:54:11,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:11,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:11,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:11,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:11,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:11,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:11,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:54:11,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:11,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:54:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:11,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:11,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:11,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:54:11,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:11,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 19:54:11,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:11,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:11,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:11,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:11,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 19:54:11,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:11,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 19:54:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:11,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:11,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:11,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 19:54:11,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:11,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 19:54:11,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:11,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:11,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:11,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:11,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 19:54:11,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:11,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:54:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:11,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:12,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:12,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:12,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:12,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 19:54:12,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 19:54:12,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 400 [2020-10-28 19:54:12,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:12,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:12,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:12,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-28 19:54:12,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 19:54:12,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:12,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:54:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:12,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:12,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:12,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:12,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:12,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:12,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:12,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:12,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:12,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:12,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:12,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:12,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:54:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:12,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:12,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:12,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:12,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:12,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:54:12,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:12,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:12,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:12,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:12,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:12,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:12,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:54:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:12,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:12,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:12,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:12,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:12,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:12,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:12,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:12,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:12,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:12,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:12,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:12,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:54:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:12,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:12,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:12,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:12,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:12,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:12,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:12,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:12,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:12,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:12,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:12,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:12,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:54:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:12,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:12,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:12,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:12,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:12,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:12,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:12,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:12,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:12,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:12,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:12,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:12,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:54:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:12,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:12,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:12,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:12,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:12,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:12,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:12,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:12,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:12,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:12,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:12,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:12,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:54:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:12,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:12,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:12,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:12,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:12,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:12,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:12,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:12,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:12,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:12,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:12,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:12,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:54:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:12,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:12,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:12,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:12,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:12,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:12,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:12,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:12,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:12,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:12,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:54:12,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:12,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:54:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:12,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:12,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:12,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:12,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:12,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:12,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:12,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:12,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:12,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:12,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:54:12,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:12,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 19:54:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:12,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:12,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:12,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 19:54:12,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:12,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 19:54:12,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:12,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:12,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:12,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 19:54:12,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:12,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:12,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 19:54:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:12,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:12,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:12,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:54:12,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:12,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:12,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:12,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:12,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:12,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:54:12,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:12,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:12,566 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 19:54:12,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [247707476] [2020-10-28 19:54:12,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:54:12,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:54:12,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909092984] [2020-10-28 19:54:12,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:54:12,569 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:54:12,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:54:12,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:54:12,570 INFO L87 Difference]: Start difference. First operand 1582 states and 2307 transitions. Second operand 8 states. [2020-10-28 19:54:12,798 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 19:54:15,735 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 19:54:21,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:54:21,269 INFO L93 Difference]: Finished difference Result 6148 states and 9482 transitions. [2020-10-28 19:54:21,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 19:54:21,269 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 177 [2020-10-28 19:54:21,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:54:21,303 INFO L225 Difference]: With dead ends: 6148 [2020-10-28 19:54:21,304 INFO L226 Difference]: Without dead ends: 4594 [2020-10-28 19:54:21,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-28 19:54:21,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4594 states. [2020-10-28 19:54:21,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4594 to 3155. [2020-10-28 19:54:21,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3155 states. [2020-10-28 19:54:21,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3155 states to 3155 states and 4612 transitions. [2020-10-28 19:54:21,853 INFO L78 Accepts]: Start accepts. Automaton has 3155 states and 4612 transitions. Word has length 177 [2020-10-28 19:54:21,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:54:21,855 INFO L481 AbstractCegarLoop]: Abstraction has 3155 states and 4612 transitions. [2020-10-28 19:54:21,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:54:21,856 INFO L276 IsEmpty]: Start isEmpty. Operand 3155 states and 4612 transitions. [2020-10-28 19:54:21,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-28 19:54:21,859 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:54:21,859 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:54:21,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 19:54:21,860 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:54:21,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:54:21,861 INFO L82 PathProgramCache]: Analyzing trace with hash -331235070, now seen corresponding path program 1 times [2020-10-28 19:54:21,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:54:21,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [12289381] [2020-10-28 19:54:21,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:54:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:21,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:22,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:22,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:22,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:24,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:24,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:25,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:25,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:25,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:25,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:25,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:25,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:25,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:25,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:25,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:25,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:25,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:25,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:25,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:25,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:25,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:25,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:25,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:26,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:26,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:26,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-28 19:54:26,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-28 19:54:26,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 19:54:26,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:26,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:26,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:54:26,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-28 19:54:26,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 129 [2020-10-28 19:54:26,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:27,125 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-28 19:54:27,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:54:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:27,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:27,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:27,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:54:27,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:27,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 19:54:27,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:27,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:27,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:27,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:27,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:27,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:27,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:54:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:27,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:27,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:27,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:54:27,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:27,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:27,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:27,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:27,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:27,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:27,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:27,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:27,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:54:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:27,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:27,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:27,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:54:27,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:27,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:54:27,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:27,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:27,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:27,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:27,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:27,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:27,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:54:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:27,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:27,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:27,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:54:27,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:27,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:54:27,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:27,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:27,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:27,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:27,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:27,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:27,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 19:54:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:27,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:27,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:27,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 19:54:27,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:27,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 19:54:27,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:27,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:27,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:27,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:27,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 19:54:27,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 19:54:27,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:54:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:27,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:27,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:27,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:27,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:28,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:29,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:29,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 19:54:29,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:54:29,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2581 [2020-10-28 19:54:29,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:29,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:29,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:29,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:29,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-28 19:54:29,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:29,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:54:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:29,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:29,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:29,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:29,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:29,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:29,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:29,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:29,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:29,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:29,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:29,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:29,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:54:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:29,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:29,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:29,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:29,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:29,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:29,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:29,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:29,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:29,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:29,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:29,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:29,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:54:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:29,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:29,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:29,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:29,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:29,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:29,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:29,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:29,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:29,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:29,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:29,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:29,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:54:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:29,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:29,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:29,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:29,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:29,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:29,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:29,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:29,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:29,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:29,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:29,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:29,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:54:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:29,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:29,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:29,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:29,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:29,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:29,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:29,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:29,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:29,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:29,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:29,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:29,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:54:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:29,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:29,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:29,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:29,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:29,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:29,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:29,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:29,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:29,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:29,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:29,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:29,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:54:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:29,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:29,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:29,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:29,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:29,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:29,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:29,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:29,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:29,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:29,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:29,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:29,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:54:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:29,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:29,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:29,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:29,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:29,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:29,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:29,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:29,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:29,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:29,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:29,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:29,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:54:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:29,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:29,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:29,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:29,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:29,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:29,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:29,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:29,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:29,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:29,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:29,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:29,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 19:54:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:29,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:29,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:29,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 19:54:29,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:29,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 19:54:29,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:29,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:29,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:54:29,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:54:29,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 19:54:29,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:30,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 19:54:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:30,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:30,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:30,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:54:30,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:30,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:54:30,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:30,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:30,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:30,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:54:30,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:30,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 19:54:30,138 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 19:54:30,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [12289381] [2020-10-28 19:54:30,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:54:30,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:54:30,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082564247] [2020-10-28 19:54:30,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:54:30,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:54:30,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:54:30,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:54:30,140 INFO L87 Difference]: Start difference. First operand 3155 states and 4612 transitions. Second operand 9 states. [2020-10-28 19:54:31,306 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 19:54:32,144 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-28 19:54:47,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:54:47,319 INFO L93 Difference]: Finished difference Result 15520 states and 25906 transitions. [2020-10-28 19:54:47,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-28 19:54:47,320 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 177 [2020-10-28 19:54:47,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:54:47,421 INFO L225 Difference]: With dead ends: 15520 [2020-10-28 19:54:47,421 INFO L226 Difference]: Without dead ends: 12393 [2020-10-28 19:54:47,445 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=194, Invalid=508, Unknown=0, NotChecked=0, Total=702 [2020-10-28 19:54:47,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12393 states. [2020-10-28 19:54:49,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12393 to 8301. [2020-10-28 19:54:49,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8301 states. [2020-10-28 19:54:49,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8301 states to 8301 states and 12737 transitions. [2020-10-28 19:54:49,349 INFO L78 Accepts]: Start accepts. Automaton has 8301 states and 12737 transitions. Word has length 177 [2020-10-28 19:54:49,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:54:49,349 INFO L481 AbstractCegarLoop]: Abstraction has 8301 states and 12737 transitions. [2020-10-28 19:54:49,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:54:49,350 INFO L276 IsEmpty]: Start isEmpty. Operand 8301 states and 12737 transitions. [2020-10-28 19:54:49,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-28 19:54:49,357 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:54:49,357 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] [2020-10-28 19:54:49,357 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 19:54:49,358 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:54:49,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:54:49,358 INFO L82 PathProgramCache]: Analyzing trace with hash -963187070, now seen corresponding path program 1 times [2020-10-28 19:54:49,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:54:49,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [724671268] [2020-10-28 19:54:49,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:54:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:49,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:49,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:49,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:49,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:52,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:52,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:52,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:53,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:54,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-28 19:54:54,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-28 19:54:54,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 19:54:54,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:54,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:54,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:54:54,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:54:54,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-28 19:54:54,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:54,629 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-28 19:54:54,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:54:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:54,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:54,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:54:54,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:54,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 19:54:54,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:54,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:54,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:54,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:54,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:54:54,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:54,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:54:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:54,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:54,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:54:54,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:54,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:54:54,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:54,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:54,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:54,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:54,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:54:54,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:54,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:54:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:54,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:54,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:54:54,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:54,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:54,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:54,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:54,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:54,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:54,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:54:54,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:54,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:54:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:54,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:54,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:54:54,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:54,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:54:54,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:54,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:54,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:54,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:54,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 19:54:54,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:54,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 19:54:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:54,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:54,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 19:54:54,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:54,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 19:54:54,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:54,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:54,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:54:54,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:54:54,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 19:54:54,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:54,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:54:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:54,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:54,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:57,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:57,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 19:54:57,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:54:57,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2337 [2020-10-28 19:54:57,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:57,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:57,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:57,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 19:54:57,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-28 19:54:57,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:57,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:54:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:57,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:57,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:57,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:57,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:57,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:57,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:57,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:57,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:57,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:57,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:57,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:57,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:54:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:57,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:57,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:57,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:57,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:57,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:57,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:57,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:57,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:57,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:57,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:57,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:57,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:54:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:57,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:57,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:57,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:57,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:57,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:57,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:57,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:57,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:57,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:57,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:57,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:57,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:54:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:57,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:57,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:57,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:57,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:57,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:57,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:57,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:57,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:57,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:57,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:54:57,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:57,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:54:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:57,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:57,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:57,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:57,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:57,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:57,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:57,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:57,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:57,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:57,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:54:57,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:57,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:54:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:57,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:57,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:57,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:57,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:57,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:57,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:57,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:57,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:57,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:57,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:54:57,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:57,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:54:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:57,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:57,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:57,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:57,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:57,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:57,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:57,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:57,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:57,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:57,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:54:57,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:57,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:54:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:57,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:57,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:57,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:57,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:57,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:57,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:57,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:57,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:57,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:57,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:54:57,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:57,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:54:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:57,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:57,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:57,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:54:57,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:57,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:54:57,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:57,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:57,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:54:57,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:54:57,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:54:57,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:57,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 19:54:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:57,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:57,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:57,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 19:54:57,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:57,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:54:57,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:57,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:57,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:57,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 19:54:57,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:57,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:54:57,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 19:54:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:54:57,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:54:57,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:54:57,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:54:57,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:54:57,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:54:57,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:54:57,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:54:57,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:54:57,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:54:57,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:54:57,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:54:57,351 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 19:54:57,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [724671268] [2020-10-28 19:54:57,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:54:57,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:54:57,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341104794] [2020-10-28 19:54:57,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:54:57,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:54:57,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:54:57,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:54:57,355 INFO L87 Difference]: Start difference. First operand 8301 states and 12737 transitions. Second operand 9 states. [2020-10-28 19:54:57,574 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 19:55:00,086 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 19:55:03,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:55:03,605 INFO L93 Difference]: Finished difference Result 15013 states and 23697 transitions. [2020-10-28 19:55:03,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 19:55:03,607 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 177 [2020-10-28 19:55:03,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:55:03,682 INFO L225 Difference]: With dead ends: 15013 [2020-10-28 19:55:03,683 INFO L226 Difference]: Without dead ends: 7874 [2020-10-28 19:55:03,718 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2020-10-28 19:55:03,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7874 states. [2020-10-28 19:55:04,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7874 to 5884. [2020-10-28 19:55:04,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5884 states. [2020-10-28 19:55:05,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5884 states to 5884 states and 8783 transitions. [2020-10-28 19:55:05,002 INFO L78 Accepts]: Start accepts. Automaton has 5884 states and 8783 transitions. Word has length 177 [2020-10-28 19:55:05,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:55:05,003 INFO L481 AbstractCegarLoop]: Abstraction has 5884 states and 8783 transitions. [2020-10-28 19:55:05,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:55:05,003 INFO L276 IsEmpty]: Start isEmpty. Operand 5884 states and 8783 transitions. [2020-10-28 19:55:05,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-28 19:55:05,006 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:55:05,006 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] [2020-10-28 19:55:05,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 19:55:05,007 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:55:05,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:55:05,007 INFO L82 PathProgramCache]: Analyzing trace with hash -2130785309, now seen corresponding path program 1 times [2020-10-28 19:55:05,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:55:05,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1354359053] [2020-10-28 19:55:05,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:55:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:05,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:05,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:05,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:05,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:05,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:10,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-28 19:55:10,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:55:10,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-28 19:55:10,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:10,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:10,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:55:10,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:55:10,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-28 19:55:10,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:10,284 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-28 19:55:10,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:55:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:10,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:10,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:10,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:10,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 19:55:10,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:10,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:10,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:10,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:10,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:55:10,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:10,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:55:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:10,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:10,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:10,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:10,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:10,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:10,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:10,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:10,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:10,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:55:10,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:10,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:55:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:10,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:10,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:55:10,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:10,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:10,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:10,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:10,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:10,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:10,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:55:10,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:10,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:55:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:10,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:10,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:55:10,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:10,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 19:55:10,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:10,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:10,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:10,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:10,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 19:55:10,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:10,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 19:55:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:10,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:10,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 19:55:10,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:10,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 19:55:10,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:10,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:10,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:55:10,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:55:10,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 19:55:10,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:10,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:55:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:10,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:10,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 19:55:15,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:55:15,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4528 [2020-10-28 19:55:15,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:15,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-28 19:55:15,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:15,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:15,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:55:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:15,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:55:15,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:15,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:15,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:15,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:15,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:55:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:15,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:55:15,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:15,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:15,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:15,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:15,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:55:15,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:15,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:55:15,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:15,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:15,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:15,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:15,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:55:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:15,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:55:15,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:15,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:15,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:15,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:15,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:55:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:15,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:55:15,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:15,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:15,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:15,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:15,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:55:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:15,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:15,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:15,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:15,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:15,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:15,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:55:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:15,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:15,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:15,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:15,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:15,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:15,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:55:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:15,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:15,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:15,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:15,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:15,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:15,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:55:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:15,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:15,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:15,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:15,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:15,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:15,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 19:55:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 19:55:15,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 19:55:15,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:15,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 19:55:15,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:15,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:15,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 19:55:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:15,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:15,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:15,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:55:15,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:15,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:15,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:15,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:15,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:15,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:55:15,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:15,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:15,152 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 19:55:15,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1354359053] [2020-10-28 19:55:15,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:55:15,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:55:15,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210251197] [2020-10-28 19:55:15,153 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:55:15,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:55:15,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:55:15,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:55:15,154 INFO L87 Difference]: Start difference. First operand 5884 states and 8783 transitions. Second operand 8 states. [2020-10-28 19:55:15,360 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 19:55:23,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:55:23,372 INFO L93 Difference]: Finished difference Result 18638 states and 28141 transitions. [2020-10-28 19:55:23,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 19:55:23,372 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 177 [2020-10-28 19:55:23,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:55:23,440 INFO L225 Difference]: With dead ends: 18638 [2020-10-28 19:55:23,441 INFO L226 Difference]: Without dead ends: 13782 [2020-10-28 19:55:23,463 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-10-28 19:55:23,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13782 states. [2020-10-28 19:55:25,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13782 to 9703. [2020-10-28 19:55:25,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9703 states. [2020-10-28 19:55:25,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9703 states to 9703 states and 14155 transitions. [2020-10-28 19:55:25,247 INFO L78 Accepts]: Start accepts. Automaton has 9703 states and 14155 transitions. Word has length 177 [2020-10-28 19:55:25,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:55:25,248 INFO L481 AbstractCegarLoop]: Abstraction has 9703 states and 14155 transitions. [2020-10-28 19:55:25,248 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:55:25,248 INFO L276 IsEmpty]: Start isEmpty. Operand 9703 states and 14155 transitions. [2020-10-28 19:55:25,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-28 19:55:25,251 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:55:25,251 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] [2020-10-28 19:55:25,251 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 19:55:25,252 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:55:25,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:55:25,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1652651111, now seen corresponding path program 1 times [2020-10-28 19:55:25,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:55:25,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [138654816] [2020-10-28 19:55:25,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:55:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:25,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:25,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:25,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:25,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:25,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-28 19:55:30,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:55:30,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 19:55:30,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:55:30,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:55:30,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 19:55:30,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,518 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-28 19:55:30,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:55:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:30,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 19:55:30,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:30,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:55:30,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:55:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:30,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:55:30,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:30,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:55:30,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:55:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:55:30,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:55:30,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:30,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:55:30,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:55:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:55:30,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:55:30,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:30,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:30,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 19:55:30,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 19:55:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:30,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 19:55:30,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:30,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 19:55:30,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:30,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:30,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:55:30,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:55:30,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 19:55:30,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:30,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:55:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:30,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:30,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:31,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:35,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:35,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 19:55:35,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:55:35,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4256 [2020-10-28 19:55:35,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:35,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:35,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:35,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-28 19:55:35,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:35,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:35,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:55:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:35,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:35,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:35,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:35,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:35,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:35,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:35,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:35,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:35,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:35,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:35,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:35,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:55:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:35,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:35,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:35,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:35,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:35,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:35,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:35,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:35,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:35,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:35,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:35,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:35,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:55:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:35,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:35,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:35,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:35,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:35,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:35,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:35,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:35,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:35,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:35,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:35,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:35,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:55:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:35,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:35,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:35,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:35,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:35,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:35,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:35,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:35,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:35,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:35,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:35,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:35,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:55:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:35,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:35,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:35,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:35,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:35,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:35,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:35,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:35,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:35,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:35,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:35,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:35,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:55:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:35,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:35,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:35,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:35,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:35,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:35,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:35,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:35,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:35,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:35,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:35,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:35,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:55:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:35,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:35,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:35,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:35,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:35,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:35,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:35,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:35,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:35,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:35,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:35,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:35,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:55:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:35,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:35,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:35,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:35,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:35,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:35,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:35,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:35,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:35,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:35,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:35,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:35,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:55:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:35,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:35,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:35,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:35,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:35,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:35,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:35,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:35,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:35,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:35,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:35,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:35,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 19:55:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:35,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:35,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:35,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 19:55:35,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:35,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:55:35,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:35,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:35,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:35,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 19:55:35,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:35,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:35,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 19:55:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:35,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:35,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:35,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:55:35,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:35,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:35,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:35,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:35,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:35,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:55:35,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:35,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:55:35,152 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 19:55:35,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [138654816] [2020-10-28 19:55:35,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:55:35,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:55:35,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420514718] [2020-10-28 19:55:35,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:55:35,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:55:35,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:55:35,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:55:35,155 INFO L87 Difference]: Start difference. First operand 9703 states and 14155 transitions. Second operand 9 states. [2020-10-28 19:55:35,379 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 19:55:41,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:55:41,102 INFO L93 Difference]: Finished difference Result 21416 states and 31768 transitions. [2020-10-28 19:55:41,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 19:55:41,102 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 177 [2020-10-28 19:55:41,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:55:41,161 INFO L225 Difference]: With dead ends: 21416 [2020-10-28 19:55:41,162 INFO L226 Difference]: Without dead ends: 12741 [2020-10-28 19:55:41,192 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-28 19:55:41,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12741 states. [2020-10-28 19:55:42,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12741 to 9698. [2020-10-28 19:55:42,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9698 states. [2020-10-28 19:55:42,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9698 states to 9698 states and 14077 transitions. [2020-10-28 19:55:42,924 INFO L78 Accepts]: Start accepts. Automaton has 9698 states and 14077 transitions. Word has length 177 [2020-10-28 19:55:42,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:55:42,924 INFO L481 AbstractCegarLoop]: Abstraction has 9698 states and 14077 transitions. [2020-10-28 19:55:42,924 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:55:42,924 INFO L276 IsEmpty]: Start isEmpty. Operand 9698 states and 14077 transitions. [2020-10-28 19:55:42,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-28 19:55:42,927 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:55:42,928 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] [2020-10-28 19:55:42,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 19:55:42,928 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:55:42,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:55:42,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1636150115, now seen corresponding path program 1 times [2020-10-28 19:55:42,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:55:42,929 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1061972556] [2020-10-28 19:55:42,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:55:42,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:42,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:43,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:43,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:43,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:43,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:47,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:47,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-28 19:55:47,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:55:47,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 19:55:47,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:47,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:47,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:55:47,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:55:47,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 19:55:47,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:48,190 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-28 19:55:48,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:55:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:48,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:48,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:48,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:48,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:48,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 19:55:48,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:48,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:48,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:48,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:48,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:55:48,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:48,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:55:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:48,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:48,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:48,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:55:48,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:48,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:55:48,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:48,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:48,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:48,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:48,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:55:48,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:48,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:55:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:48,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:48,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:48,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:55:48,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:48,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:55:48,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:48,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:48,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:48,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:48,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:55:48,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:48,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:55:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:48,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:48,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:48,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:55:48,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:48,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:55:48,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:48,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:48,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:55:48,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:48,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 19:55:48,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:48,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 19:55:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:48,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:48,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:48,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 19:55:48,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:48,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 19:55:48,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:48,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:48,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:55:48,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:55:48,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 19:55:48,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:48,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:55:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:48,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:48,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:48,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:48,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:48,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:52,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:52,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 19:55:52,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:55:52,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3960 [2020-10-28 19:55:52,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:52,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:52,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:52,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-28 19:55:52,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:52,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:52,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:55:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:52,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:52,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:52,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:52,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:52,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:55:52,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:52,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:52,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:52,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:52,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:52,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:52,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:55:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:52,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:52,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:52,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:52,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:52,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:55:52,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:52,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:52,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:52,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:52,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:52,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:52,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:55:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:52,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:52,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:52,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:52,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:52,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:52,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:52,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:52,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:52,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:52,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:52,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:52,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:55:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:52,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:52,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:52,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:52,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:52,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:52,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:52,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:52,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:52,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:52,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:52,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:52,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:55:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:52,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:52,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:52,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:52,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:52,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:52,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:52,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:52,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:52,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:52,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:52,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:52,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:55:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:52,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:52,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:52,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:52,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:52,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:55:52,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:52,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:52,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:52,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:52,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:52,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:52,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:55:52,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:52,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:52,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:52,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:52,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:52,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:52,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:52,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:52,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:52,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:52,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:52,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:52,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:55:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:52,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:52,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:52,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:52,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:52,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:52,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:52,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:52,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:52,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:52,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:52,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:52,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:55:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:52,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:52,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:52,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:55:52,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:52,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:55:52,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:52,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:52,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:52,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:55:52,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:52,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:52,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 19:55:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:52,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:52,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:52,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 19:55:52,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:52,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:55:52,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:52,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:52,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:52,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 19:55:52,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:52,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:52,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 19:55:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:55:52,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:55:52,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:55:52,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:55:52,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:55:52,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:55:52,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:55:52,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:55:52,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:55:52,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:55:52,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:55:52,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:55:52,461 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 19:55:52,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1061972556] [2020-10-28 19:55:52,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:55:52,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:55:52,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455652859] [2020-10-28 19:55:52,462 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:55:52,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:55:52,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:55:52,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:55:52,463 INFO L87 Difference]: Start difference. First operand 9698 states and 14077 transitions. Second operand 9 states. [2020-10-28 19:55:52,706 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 19:55:58,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:55:58,914 INFO L93 Difference]: Finished difference Result 21379 states and 31550 transitions. [2020-10-28 19:55:58,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 19:55:58,915 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 177 [2020-10-28 19:55:58,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:55:58,972 INFO L225 Difference]: With dead ends: 21379 [2020-10-28 19:55:58,973 INFO L226 Difference]: Without dead ends: 12709 [2020-10-28 19:55:58,996 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-10-28 19:55:59,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12709 states. [2020-10-28 19:56:00,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12709 to 9693. [2020-10-28 19:56:00,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9693 states. [2020-10-28 19:56:00,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9693 states to 9693 states and 13999 transitions. [2020-10-28 19:56:00,647 INFO L78 Accepts]: Start accepts. Automaton has 9693 states and 13999 transitions. Word has length 177 [2020-10-28 19:56:00,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:56:00,647 INFO L481 AbstractCegarLoop]: Abstraction has 9693 states and 13999 transitions. [2020-10-28 19:56:00,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:56:00,648 INFO L276 IsEmpty]: Start isEmpty. Operand 9693 states and 13999 transitions. [2020-10-28 19:56:00,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-28 19:56:00,650 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:56:00,650 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] [2020-10-28 19:56:00,650 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 19:56:00,650 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:56:00,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:56:00,651 INFO L82 PathProgramCache]: Analyzing trace with hash -304044825, now seen corresponding path program 1 times [2020-10-28 19:56:00,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:56:00,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [747461403] [2020-10-28 19:56:00,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:56:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:00,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:00,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:00,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:00,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:00,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:05,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:05,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-28 19:56:05,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:56:05,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 19:56:05,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:05,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:05,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:56:05,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:56:05,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-28 19:56:05,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:05,891 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-28 19:56:05,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:56:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:05,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:05,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:05,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:56:05,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:05,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 19:56:05,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:05,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:05,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:05,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:05,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:56:05,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:05,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:56:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:05,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:05,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:05,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:56:05,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:05,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:56:05,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:05,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:05,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:05,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:05,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:56:05,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:05,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:56:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:05,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:05,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:05,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:56:05,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:05,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:05,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:05,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:05,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:05,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:05,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:56:05,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:05,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:56:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:05,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:05,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:05,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:56:05,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:05,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:56:05,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:05,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:05,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:05,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:05,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 19:56:05,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:06,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 19:56:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:06,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:06,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:06,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 19:56:06,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:06,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 19:56:06,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:06,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:06,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:56:06,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:56:06,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 19:56:06,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:06,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:56:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:06,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:06,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:06,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:06,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:06,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:10,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:10,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 19:56:10,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:56:10,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4194 [2020-10-28 19:56:10,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:10,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:10,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:10,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-28 19:56:10,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:10,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:10,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:56:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:10,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:10,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:10,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:10,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:10,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:10,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:10,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:10,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:10,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:10,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:10,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:10,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:56:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:10,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:10,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:10,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:10,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:10,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:10,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:10,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:10,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:10,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:10,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:10,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:10,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:56:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:10,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:10,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:10,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:10,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:10,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:10,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:10,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:10,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:10,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:10,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:10,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:10,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:56:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:10,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:10,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:10,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:10,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:10,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:10,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:10,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:10,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:10,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:10,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:10,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:10,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:56:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:10,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:10,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:10,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:10,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:10,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:10,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:10,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:10,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:10,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:10,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:10,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:10,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:56:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:10,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:10,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:10,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:10,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:10,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:10,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:10,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:10,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:10,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:10,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:10,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:10,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:56:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:10,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:10,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:10,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:10,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:10,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:10,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:10,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:10,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:10,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:10,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:10,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:10,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:56:10,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:10,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:10,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:10,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:10,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:10,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:10,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:10,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:10,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:10,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:10,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:10,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:10,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:56:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:10,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:10,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:10,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:10,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:10,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:10,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:10,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:10,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:10,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:10,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:10,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:10,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 19:56:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:10,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:10,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:10,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 19:56:10,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:10,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:56:10,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:10,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:10,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:10,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 19:56:10,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:10,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:10,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 19:56:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:10,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:10,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:10,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:56:10,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:10,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:10,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:10,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:10,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:10,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:56:10,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:10,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:10,370 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 19:56:10,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [747461403] [2020-10-28 19:56:10,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:56:10,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:56:10,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341093516] [2020-10-28 19:56:10,371 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:56:10,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:56:10,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:56:10,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:56:10,372 INFO L87 Difference]: Start difference. First operand 9693 states and 13999 transitions. Second operand 9 states. [2020-10-28 19:56:10,603 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 19:56:16,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:56:16,558 INFO L93 Difference]: Finished difference Result 21322 states and 31304 transitions. [2020-10-28 19:56:16,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 19:56:16,558 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 177 [2020-10-28 19:56:16,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:56:16,624 INFO L225 Difference]: With dead ends: 21322 [2020-10-28 19:56:16,624 INFO L226 Difference]: Without dead ends: 12657 [2020-10-28 19:56:16,646 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-28 19:56:16,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12657 states. [2020-10-28 19:56:18,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12657 to 9683. [2020-10-28 19:56:18,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9683 states. [2020-10-28 19:56:18,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9683 states to 9683 states and 13911 transitions. [2020-10-28 19:56:18,258 INFO L78 Accepts]: Start accepts. Automaton has 9683 states and 13911 transitions. Word has length 177 [2020-10-28 19:56:18,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:56:18,259 INFO L481 AbstractCegarLoop]: Abstraction has 9683 states and 13911 transitions. [2020-10-28 19:56:18,259 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:56:18,259 INFO L276 IsEmpty]: Start isEmpty. Operand 9683 states and 13911 transitions. [2020-10-28 19:56:18,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-28 19:56:18,261 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:56:18,261 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] [2020-10-28 19:56:18,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 19:56:18,262 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:56:18,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:56:18,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1295936227, now seen corresponding path program 1 times [2020-10-28 19:56:18,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:56:18,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1586415597] [2020-10-28 19:56:18,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:56:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:18,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:18,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:18,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:18,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:18,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:23,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-28 19:56:23,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:56:23,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 19:56:23,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:23,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:23,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:56:23,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:56:23,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-28 19:56:23,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:23,517 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-28 19:56:23,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:56:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:23,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:23,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:56:23,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:23,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 19:56:23,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:23,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:23,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:23,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:23,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:56:23,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:23,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:56:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:23,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:23,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:56:23,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:23,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:56:23,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:23,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:23,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:23,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:23,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:56:23,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:23,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:56:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:23,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:23,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:56:23,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:23,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:23,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:23,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:23,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:23,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:23,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:56:23,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:23,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:56:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:23,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:23,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 19:56:23,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:23,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:56:23,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:23,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:23,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:56:23,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:23,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 19:56:23,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:23,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 19:56:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:23,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:23,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 19:56:23,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:23,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 19:56:23,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:23,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:23,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:56:23,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:56:23,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 19:56:23,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:23,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 19:56:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:23,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:23,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:24,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-28 19:56:27,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:56:27,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4036 [2020-10-28 19:56:27,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:27,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-28 19:56:27,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:27,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:56:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:27,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:27,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:27,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:27,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:27,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:56:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:27,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:27,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:27,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:27,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:27,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:56:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:27,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:27,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:27,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:27,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:27,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 19:56:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:27,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:27,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:27,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:27,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:27,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 19:56:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:27,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:27,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:27,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:27,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:27,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 19:56:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:27,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:27,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:27,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:27,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:27,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 19:56:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:27,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:27,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:27,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:27,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:27,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 19:56:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:27,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:27,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:27,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:27,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:27,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 19:56:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:56:27,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:56:27,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:27,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:56:27,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:27,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 19:56:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 19:56:27,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:56:27,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:27,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 19:56:27,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:27,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 19:56:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:27,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:27,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:56:27,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:56:27,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:56:27,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:56:27,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:56:27,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:56:27,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:56:27,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:56:27,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:56:27,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:56:27,882 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 19:56:27,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1586415597] [2020-10-28 19:56:27,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:56:27,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:56:27,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480515181] [2020-10-28 19:56:27,883 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:56:27,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:56:27,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:56:27,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:56:27,884 INFO L87 Difference]: Start difference. First operand 9683 states and 13911 transitions. Second operand 9 states. [2020-10-28 19:56:28,122 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 19:56:34,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:56:34,022 INFO L93 Difference]: Finished difference Result 11650 states and 17183 transitions. [2020-10-28 19:56:34,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 19:56:34,023 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 177 [2020-10-28 19:56:34,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:56:34,049 INFO L225 Difference]: With dead ends: 11650 [2020-10-28 19:56:34,049 INFO L226 Difference]: Without dead ends: 6945 [2020-10-28 19:56:34,058 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-28 19:56:34,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6945 states. [2020-10-28 19:56:34,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6945 to 3618. [2020-10-28 19:56:34,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3618 states. [2020-10-28 19:56:34,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3618 states to 3618 states and 5019 transitions. [2020-10-28 19:56:34,772 INFO L78 Accepts]: Start accepts. Automaton has 3618 states and 5019 transitions. Word has length 177 [2020-10-28 19:56:34,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:56:34,773 INFO L481 AbstractCegarLoop]: Abstraction has 3618 states and 5019 transitions. [2020-10-28 19:56:34,773 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:56:34,773 INFO L276 IsEmpty]: Start isEmpty. Operand 3618 states and 5019 transitions. [2020-10-28 19:56:34,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-28 19:56:34,774 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:56:34,775 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] [2020-10-28 19:56:34,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 19:56:34,775 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:56:34,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:56:34,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1347548519, now seen corresponding path program 1 times [2020-10-28 19:56:34,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:56:34,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [822863949] [2020-10-28 19:56:34,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:56:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:56:34,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:34,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:34,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:34,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:56:35,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking...