/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 22:14:34,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 22:14:34,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 22:14:34,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 22:14:34,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 22:14:34,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 22:14:34,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 22:14:34,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 22:14:34,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 22:14:34,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 22:14:34,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 22:14:34,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 22:14:34,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 22:14:34,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 22:14:34,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 22:14:34,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 22:14:34,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 22:14:34,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 22:14:34,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 22:14:34,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 22:14:34,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 22:14:34,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 22:14:34,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 22:14:34,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 22:14:34,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 22:14:34,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 22:14:34,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 22:14:34,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 22:14:34,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 22:14:34,788 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 22:14:34,788 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 22:14:34,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 22:14:34,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 22:14:34,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 22:14:34,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 22:14:34,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 22:14:34,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 22:14:34,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 22:14:34,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 22:14:34,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 22:14:34,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 22:14:34,795 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-12 22:14:34,828 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 22:14:34,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 22:14:34,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 22:14:34,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 22:14:34,835 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 22:14:34,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 22:14:34,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 22:14:34,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 22:14:34,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 22:14:34,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 22:14:34,837 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 22:14:34,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 22:14:34,840 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 22:14:34,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 22:14:34,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 22:14:34,841 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 22:14:34,841 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 22:14:34,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 22:14:34,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 22:14:34,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 22:14:34,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 22:14:34,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 22:14:34,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 22:14:34,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 22:14:34,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 22:14:34,847 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 22:14:34,847 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-12 22:14:34,847 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 22:14:35,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 22:14:35,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 22:14:35,270 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 22:14:35,271 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 22:14:35,272 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 22:14:35,273 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i [2020-10-12 22:14:35,339 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e3005c8f4/c611bccf55b24eb787bf3f98883bddfe/FLAGbb6971e6d [2020-10-12 22:14:36,144 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 22:14:36,145 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i [2020-10-12 22:14:36,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e3005c8f4/c611bccf55b24eb787bf3f98883bddfe/FLAGbb6971e6d [2020-10-12 22:14:36,229 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e3005c8f4/c611bccf55b24eb787bf3f98883bddfe [2020-10-12 22:14:36,243 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 22:14:36,245 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 22:14:36,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 22:14:36,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 22:14:36,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 22:14:36,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:14:36" (1/1) ... [2020-10-12 22:14:36,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17a4d3cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:14:36, skipping insertion in model container [2020-10-12 22:14:36,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:14:36" (1/1) ... [2020-10-12 22:14:36,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 22:14:36,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 22:14:38,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 22:14:38,145 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 22:14:38,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 22:14:38,829 INFO L208 MainTranslator]: Completed translation [2020-10-12 22:14:38,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:14:38 WrapperNode [2020-10-12 22:14:38,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 22:14:38,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 22:14:38,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 22:14:38,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 22:14:38,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:14:38" (1/1) ... [2020-10-12 22:14:38,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:14:38" (1/1) ... [2020-10-12 22:14:38,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:14:38" (1/1) ... [2020-10-12 22:14:38,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:14:38" (1/1) ... [2020-10-12 22:14:39,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:14:38" (1/1) ... [2020-10-12 22:14:39,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:14:38" (1/1) ... [2020-10-12 22:14:39,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:14:38" (1/1) ... [2020-10-12 22:14:39,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 22:14:39,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 22:14:39,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 22:14:39,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 22:14:39,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:14:38" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 22:14:39,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 22:14:39,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 22:14:39,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2020-10-12 22:14:39,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-12 22:14:39,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive_int [2020-10-12 22:14:39,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-12 22:14:39,181 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-12 22:14:39,182 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-12 22:14:39,182 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-12 22:14:39,183 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-12 22:14:39,183 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-12 22:14:39,183 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-12 22:14:39,183 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-12 22:14:39,183 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-12 22:14:39,184 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2020-10-12 22:14:39,184 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-12 22:14:39,184 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2020-10-12 22:14:39,186 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-12 22:14:39,186 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-12 22:14:39,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-12 22:14:39,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-12 22:14:39,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-12 22:14:39,188 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-12 22:14:39,188 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-12 22:14:39,188 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-10-12 22:14:39,188 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2020-10-12 22:14:39,188 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2020-10-12 22:14:39,189 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-12 22:14:39,189 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice [2020-10-12 22:14:39,189 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2020-10-12 22:14:39,189 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2020-10-12 22:14:39,189 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2020-10-12 22:14:39,190 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2020-10-12 22:14:39,190 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2020-10-12 22:14:39,190 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2020-10-12 22:14:39,190 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2020-10-12 22:14:39,190 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2020-10-12 22:14:39,190 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2020-10-12 22:14:39,191 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_alloc_bufs [2020-10-12 22:14:39,191 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2020-10-12 22:14:39,191 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_realloc_bufs [2020-10-12 22:14:39,191 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_lock [2020-10-12 22:14:39,191 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2020-10-12 22:14:39,191 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2020-10-12 22:14:39,193 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_encaps [2020-10-12 22:14:39,193 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_write_wakeup [2020-10-12 22:14:39,193 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_tx_timeout [2020-10-12 22:14:39,193 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_xmit [2020-10-12 22:14:39,193 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_close [2020-10-12 22:14:39,193 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_open [2020-10-12 22:14:39,194 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_change_mtu [2020-10-12 22:14:39,194 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_get_stats64 [2020-10-12 22:14:39,194 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_init [2020-10-12 22:14:39,194 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_uninit [2020-10-12 22:14:39,195 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_netdev [2020-10-12 22:14:39,195 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_setup [2020-10-12 22:14:39,195 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_receive_buf [2020-10-12 22:14:39,195 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_sync [2020-10-12 22:14:39,195 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_alloc [2020-10-12 22:14:39,196 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_open [2020-10-12 22:14:39,196 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2020-10-12 22:14:39,196 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_hangup [2020-10-12 22:14:39,196 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_esc [2020-10-12 22:14:39,196 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_unesc [2020-10-12 22:14:39,196 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_esc6 [2020-10-12 22:14:39,196 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_unesc6 [2020-10-12 22:14:39,197 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2020-10-12 22:14:39,197 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_compat_ioctl [2020-10-12 22:14:39,197 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2020-10-12 22:14:39,197 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_init [2020-10-12 22:14:39,197 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_exit [2020-10-12 22:14:39,198 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_outfill [2020-10-12 22:14:39,198 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_keepalive [2020-10-12 22:14:39,199 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 22:14:39,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sl_alloc_bufs_1 [2020-10-12 22:14:39,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdevice_2 [2020-10-12 22:14:39,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_slip_open_3 [2020-10-12 22:14:39,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-12 22:14:39,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_callback_ret_val [2020-10-12 22:14:39,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2020-10-12 22:14:39,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-12 22:14:39,200 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-12 22:14:39,201 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-12 22:14:39,201 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2020-10-12 22:14:39,201 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-12 22:14:39,201 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2020-10-12 22:14:39,201 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2020-10-12 22:14:39,201 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2020-10-12 22:14:39,201 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-10-12 22:14:39,202 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2020-10-12 22:14:39,202 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2020-10-12 22:14:39,202 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2020-10-12 22:14:39,202 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2020-10-12 22:14:39,202 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2020-10-12 22:14:39,202 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2020-10-12 22:14:39,202 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-10-12 22:14:39,203 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2020-10-12 22:14:39,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-12 22:14:39,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-12 22:14:39,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-10-12 22:14:39,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-12 22:14:39,203 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-12 22:14:39,203 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2020-10-12 22:14:39,204 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2020-10-12 22:14:39,204 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2020-10-12 22:14:39,204 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2020-10-12 22:14:39,204 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-12 22:14:39,204 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice [2020-10-12 22:14:39,205 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2020-10-12 22:14:39,205 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2020-10-12 22:14:39,205 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-12 22:14:39,205 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_compress [2020-10-12 22:14:39,205 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2020-10-12 22:14:39,205 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_init [2020-10-12 22:14:39,205 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_remember [2020-10-12 22:14:39,206 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_uncompress [2020-10-12 22:14:39,206 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_chars_in_buffer [2020-10-12 22:14:39,206 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2020-10-12 22:14:39,206 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2020-10-12 22:14:39,206 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_mode_ioctl [2020-10-12 22:14:39,207 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2020-10-12 22:14:39,207 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2020-10-12 22:14:39,208 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-10-12 22:14:39,208 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_queue [2020-10-12 22:14:39,208 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-12 22:14:39,209 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-12 22:14:39,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-12 22:14:39,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 22:14:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-12 22:14:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-12 22:14:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 22:14:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive_int [2020-10-12 22:14:39,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_callback_ret_val [2020-10-12 22:14:39,214 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-12 22:14:39,214 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-12 22:14:39,214 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-12 22:14:39,215 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-12 22:14:39,215 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-12 22:14:39,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 22:14:39,215 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-12 22:14:39,216 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-12 22:14:39,216 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-12 22:14:39,216 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-12 22:14:39,216 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-12 22:14:39,217 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-12 22:14:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2020-10-12 22:14:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-12 22:14:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-12 22:14:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-12 22:14:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2020-10-12 22:14:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-12 22:14:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2020-10-12 22:14:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-12 22:14:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-12 22:14:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2020-10-12 22:14:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-12 22:14:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2020-10-12 22:14:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2020-10-12 22:14:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2020-10-12 22:14:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2020-10-12 22:14:39,227 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2020-10-12 22:14:39,227 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2020-10-12 22:14:39,227 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2020-10-12 22:14:39,227 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-12 22:14:39,227 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-12 22:14:39,227 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-10-12 22:14:39,227 INFO L130 BoogieDeclarations]: Found specification of procedure tty_chars_in_buffer [2020-10-12 22:14:39,228 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2020-10-12 22:14:39,228 INFO L130 BoogieDeclarations]: Found specification of procedure tty_mode_ioctl [2020-10-12 22:14:39,228 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2020-10-12 22:14:39,228 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2020-10-12 22:14:39,229 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2020-10-12 22:14:39,229 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-12 22:14:39,229 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-12 22:14:39,229 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-12 22:14:39,229 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 22:14:39,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-12 22:14:39,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-12 22:14:39,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 22:14:39,230 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-12 22:14:39,230 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-12 22:14:39,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-12 22:14:39,231 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-12 22:14:39,231 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2020-10-12 22:14:39,231 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-12 22:14:39,231 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-10-12 22:14:39,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 22:14:39,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 22:14:39,231 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2020-10-12 22:14:39,231 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2020-10-12 22:14:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2020-10-12 22:14:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-12 22:14:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2020-10-12 22:14:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice [2020-10-12 22:14:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdevice_2 [2020-10-12 22:14:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_queue [2020-10-12 22:14:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice [2020-10-12 22:14:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-10-12 22:14:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2020-10-12 22:14:39,233 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2020-10-12 22:14:39,233 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2020-10-12 22:14:39,233 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2020-10-12 22:14:39,233 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2020-10-12 22:14:39,233 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2020-10-12 22:14:39,233 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2020-10-12 22:14:39,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 22:14:39,233 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2020-10-12 22:14:39,234 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2020-10-12 22:14:39,234 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2020-10-12 22:14:39,234 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2020-10-12 22:14:39,234 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2020-10-12 22:14:39,234 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2020-10-12 22:14:39,234 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2020-10-12 22:14:39,234 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-10-12 22:14:39,234 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2020-10-12 22:14:39,235 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2020-10-12 22:14:39,235 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2020-10-12 22:14:39,235 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2020-10-12 22:14:39,235 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_compress [2020-10-12 22:14:39,235 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_uncompress [2020-10-12 22:14:39,235 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_remember [2020-10-12 22:14:39,235 INFO L130 BoogieDeclarations]: Found specification of procedure slip_esc [2020-10-12 22:14:39,235 INFO L130 BoogieDeclarations]: Found specification of procedure slip_unesc [2020-10-12 22:14:39,236 INFO L130 BoogieDeclarations]: Found specification of procedure slip_esc6 [2020-10-12 22:14:39,236 INFO L130 BoogieDeclarations]: Found specification of procedure slip_unesc6 [2020-10-12 22:14:39,236 INFO L130 BoogieDeclarations]: Found specification of procedure sl_keepalive [2020-10-12 22:14:39,236 INFO L130 BoogieDeclarations]: Found specification of procedure sl_outfill [2020-10-12 22:14:39,236 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2020-10-12 22:14:39,236 INFO L130 BoogieDeclarations]: Found specification of procedure sl_alloc_bufs [2020-10-12 22:14:39,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sl_alloc_bufs_1 [2020-10-12 22:14:39,236 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2020-10-12 22:14:39,236 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-12 22:14:39,237 INFO L130 BoogieDeclarations]: Found specification of procedure sl_realloc_bufs [2020-10-12 22:14:39,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-12 22:14:39,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 22:14:39,237 INFO L130 BoogieDeclarations]: Found specification of procedure sl_lock [2020-10-12 22:14:39,237 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2020-10-12 22:14:39,237 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2020-10-12 22:14:39,237 INFO L130 BoogieDeclarations]: Found specification of procedure sl_encaps [2020-10-12 22:14:39,237 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2020-10-12 22:14:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 22:14:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure slip_write_wakeup [2020-10-12 22:14:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure sl_tx_timeout [2020-10-12 22:14:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure sl_xmit [2020-10-12 22:14:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure sl_close [2020-10-12 22:14:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure sl_open [2020-10-12 22:14:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure sl_change_mtu [2020-10-12 22:14:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure sl_get_stats64 [2020-10-12 22:14:39,239 INFO L130 BoogieDeclarations]: Found specification of procedure sl_init [2020-10-12 22:14:39,239 INFO L130 BoogieDeclarations]: Found specification of procedure sl_uninit [2020-10-12 22:14:39,239 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_netdev [2020-10-12 22:14:39,239 INFO L130 BoogieDeclarations]: Found specification of procedure sl_setup [2020-10-12 22:14:39,239 INFO L130 BoogieDeclarations]: Found specification of procedure slip_receive_buf [2020-10-12 22:14:39,239 INFO L130 BoogieDeclarations]: Found specification of procedure sl_sync [2020-10-12 22:14:39,239 INFO L130 BoogieDeclarations]: Found specification of procedure sl_alloc [2020-10-12 22:14:39,240 INFO L130 BoogieDeclarations]: Found specification of procedure slip_open [2020-10-12 22:14:39,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_slip_open_3 [2020-10-12 22:14:39,244 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2020-10-12 22:14:39,245 INFO L130 BoogieDeclarations]: Found specification of procedure slip_hangup [2020-10-12 22:14:39,245 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2020-10-12 22:14:39,245 INFO L130 BoogieDeclarations]: Found specification of procedure slip_compat_ioctl [2020-10-12 22:14:39,245 INFO L130 BoogieDeclarations]: Found specification of procedure slip_init [2020-10-12 22:14:39,245 INFO L130 BoogieDeclarations]: Found specification of procedure slip_exit [2020-10-12 22:14:39,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-12 22:14:39,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-12 22:14:39,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-12 22:14:39,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-10-12 22:14:39,246 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 22:14:39,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-12 22:14:39,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-12 22:14:39,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-12 22:14:39,246 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 22:14:39,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 22:14:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 22:14:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-12 22:14:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 22:14:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-12 22:14:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-12 22:14:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-12 22:14:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-12 22:14:40,300 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-12 22:14:42,972 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 22:14:42,972 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-12 22:14:42,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:14:42 BoogieIcfgContainer [2020-10-12 22:14:42,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 22:14:42,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 22:14:42,992 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 22:14:42,995 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 22:14:42,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 10:14:36" (1/3) ... [2020-10-12 22:14:42,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@349fc149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:14:42, skipping insertion in model container [2020-10-12 22:14:42,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:14:38" (2/3) ... [2020-10-12 22:14:42,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@349fc149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:14:42, skipping insertion in model container [2020-10-12 22:14:42,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:14:42" (3/3) ... [2020-10-12 22:14:42,999 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-net-slip-ko--108_1a--1b0b0ac.i [2020-10-12 22:14:43,011 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 22:14:43,027 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 22:14:43,044 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 22:14:43,082 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 22:14:43,082 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 22:14:43,082 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 22:14:43,082 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 22:14:43,082 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 22:14:43,082 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 22:14:43,082 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 22:14:43,083 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 22:14:43,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states. [2020-10-12 22:14:43,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-12 22:14:43,182 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:14:43,184 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 22:14:43,184 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:14:43,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:14:43,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1375221901, now seen corresponding path program 1 times [2020-10-12 22:14:43,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:14:43,202 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [125457098] [2020-10-12 22:14:43,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:14:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:14:43,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:44,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:46,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:48,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:14:48,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-12 22:14:48,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 22:14:48,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5087 [2020-10-12 22:14:48,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:14:48,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 22:14:48,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 22:14:48,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 22:14:48,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 22:14:49,301 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 22:14:49,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:14:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:14:49,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:49,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:14:49,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:14:49,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:14:49,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-12 22:14:49,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:14:49,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:14:49,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:14:49,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 22:14:49,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:14:49,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:14:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:14:49,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:49,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:14:49,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 22:14:49,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:14:49,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 22:14:49,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:14:49,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:14:49,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:14:49,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 22:14:49,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:14:49,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:14:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:14:49,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:49,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:14:49,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:14:49,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:14:49,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 22:14:49,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:14:49,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:14:49,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:14:49,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:14:49,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:14:49,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 22:14:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:14:49,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:49,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:14:49,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:14:49,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:14:49,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 22:14:49,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:14:49,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:14:49,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:14:49,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 22:14:49,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:14:49,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 22:14:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:14:49,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:49,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:14:49,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:14:49,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:14:49,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 22:14:49,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:14:49,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:14:49,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:14:49,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 22:14:49,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:14:49,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 22:14:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:14:49,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:49,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:14:49,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 22:14:49,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:14:49,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-12 22:14:49,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:14:49,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 22:14:49,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 22:14:49,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 22:14:49,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:14:49,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 22:14:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:14:49,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:49,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:14:49,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 22:14:49,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:14:49,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 22:14:49,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:14:49,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:14:49,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:14:49,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 22:14:49,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:14:49,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:14:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:14:49,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:49,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:14:49,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 22:14:49,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:14:49,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-12 22:14:49,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:14:49,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:14:49,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:14:49,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:14:49,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:14:49,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:14:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:14:49,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:49,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:14:49,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 22:14:49,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:14:49,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 22:14:49,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:14:49,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:14:49,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:14:49,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:14:49,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:14:49,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:14:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:14:49,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:49,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:14:49,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:14:49,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:14:49,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 22:14:49,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:14:49,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:14:49,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:14:49,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:14:49,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:14:49,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 22:14:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:14:50,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:50,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:14:50,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:14:50,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:14:50,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 22:14:50,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:14:50,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:14:50,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 22:14:50,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:14:50,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:14:50,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 22:14:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:14:50,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:50,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:14:50,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 22:14:50,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:14:50,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 22:14:50,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:14:50,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:14:50,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-12 22:14:50,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:14:50,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:14:50,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:14:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:14:50,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:50,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:14:50,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:14:50,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:14:50,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:14:50,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:14:50,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:14:50,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:14:50,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:14:50,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:14:50,116 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 22:14:50,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [125457098] [2020-10-12 22:14:50,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:14:50,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 22:14:50,120 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029154385] [2020-10-12 22:14:50,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 22:14:50,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:14:50,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 22:14:50,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-12 22:14:50,154 INFO L87 Difference]: Start difference. First operand 1243 states. Second operand 9 states. [2020-10-12 22:14:50,590 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 22:14:51,180 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-12 22:14:53,598 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 22:15:10,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:15:10,446 INFO L93 Difference]: Finished difference Result 2714 states and 3828 transitions. [2020-10-12 22:15:10,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 22:15:10,449 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-10-12 22:15:10,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:15:10,483 INFO L225 Difference]: With dead ends: 2714 [2020-10-12 22:15:10,484 INFO L226 Difference]: Without dead ends: 1419 [2020-10-12 22:15:10,494 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2020-10-12 22:15:10,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1419 states. [2020-10-12 22:15:10,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1419 to 1189. [2020-10-12 22:15:10,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1189 states. [2020-10-12 22:15:10,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 1189 states and 1630 transitions. [2020-10-12 22:15:10,793 INFO L78 Accepts]: Start accepts. Automaton has 1189 states and 1630 transitions. Word has length 88 [2020-10-12 22:15:10,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:15:10,794 INFO L479 AbstractCegarLoop]: Abstraction has 1189 states and 1630 transitions. [2020-10-12 22:15:10,795 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 22:15:10,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1630 transitions. [2020-10-12 22:15:10,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-12 22:15:10,802 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:15:10,802 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 22:15:10,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 22:15:10,803 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:15:10,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:15:10,803 INFO L82 PathProgramCache]: Analyzing trace with hash -1792618507, now seen corresponding path program 1 times [2020-10-12 22:15:10,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:15:10,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [107283326] [2020-10-12 22:15:10,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:15:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:10,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:11,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:13,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:13,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-12 22:15:13,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 22:15:13,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2767 [2020-10-12 22:15:13,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:13,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 22:15:13,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-10-12 22:15:13,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 22:15:13,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:14,075 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 22:15:14,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:15:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:14,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:14,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:14,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:15:14,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:14,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-12 22:15:14,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:14,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:14,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:14,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:14,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:14,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:15:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:14,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:14,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:14,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 22:15:14,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:14,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 22:15:14,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:14,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:14,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:15:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:14,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:14,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:14,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:15:14,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:14,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:15:14,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:14,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:14,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:14,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:14,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:14,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 22:15:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:14,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:14,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:14,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:15:14,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:14,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:15:14,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:14,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:14,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:14,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:14,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:14,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 22:15:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:14,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:14,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:14,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:15:14,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:14,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:15:14,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:14,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:14,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:14,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:14,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:14,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 22:15:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:14,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:14,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:14,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 22:15:14,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:14,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 22:15:14,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:14,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:14,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:14,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:14,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:14,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 22:15:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:14,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:14,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:14,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 22:15:14,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:14,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 22:15:14,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:14,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:14,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:14,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:14,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:14,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:15:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:14,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:14,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:14,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 22:15:14,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:14,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 22:15:14,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:14,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:14,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:14,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:14,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:14,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:15:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:14,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:14,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:14,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 22:15:14,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:14,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 22:15:14,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:14,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:14,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:14,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:14,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:15:14,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:15:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:14,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:14,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:14,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:15:14,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:14,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:15:14,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:14,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:14,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:14,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:14,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:14,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 22:15:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:14,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:14,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:14,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:15:14,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:14,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 22:15:14,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:14,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:14,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:14,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:14,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:14,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 22:15:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:14,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:14,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:14,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 22:15:14,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:14,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 22:15:14,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:14,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 22:15:14,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:14,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 22:15:14,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:14,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:15:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:14,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:14,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:14,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:15:14,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:14,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:15:14,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:14,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:14,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:14,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:14,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:14,565 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 22:15:14,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [107283326] [2020-10-12 22:15:14,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:15:14,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 22:15:14,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964065087] [2020-10-12 22:15:14,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 22:15:14,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:15:14,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 22:15:14,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-12 22:15:14,571 INFO L87 Difference]: Start difference. First operand 1189 states and 1630 transitions. Second operand 11 states. [2020-10-12 22:15:15,008 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 22:15:24,466 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-12 22:15:25,203 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-12 22:15:25,731 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-12 22:15:26,272 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-12 22:15:26,777 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-12 22:15:39,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:15:39,442 INFO L93 Difference]: Finished difference Result 1433 states and 2007 transitions. [2020-10-12 22:15:39,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 22:15:39,444 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 88 [2020-10-12 22:15:39,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:15:39,457 INFO L225 Difference]: With dead ends: 1433 [2020-10-12 22:15:39,457 INFO L226 Difference]: Without dead ends: 1430 [2020-10-12 22:15:39,459 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-10-12 22:15:39,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2020-10-12 22:15:39,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1197. [2020-10-12 22:15:39,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1197 states. [2020-10-12 22:15:39,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1638 transitions. [2020-10-12 22:15:39,663 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1638 transitions. Word has length 88 [2020-10-12 22:15:39,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:15:39,664 INFO L479 AbstractCegarLoop]: Abstraction has 1197 states and 1638 transitions. [2020-10-12 22:15:39,665 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 22:15:39,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1638 transitions. [2020-10-12 22:15:39,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-12 22:15:39,669 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:15:39,670 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 22:15:39,670 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 22:15:39,670 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:15:39,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:15:39,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1532432365, now seen corresponding path program 1 times [2020-10-12 22:15:39,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:15:39,671 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [205088493] [2020-10-12 22:15:39,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:15:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:39,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:40,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:41,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:41,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-12 22:15:41,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 22:15:41,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2160 [2020-10-12 22:15:41,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:41,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 22:15:41,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 112 [2020-10-12 22:15:41,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 22:15:41,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:42,262 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 22:15:42,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:15:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:42,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:42,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:42,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:15:42,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:42,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 22:15:42,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:42,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:42,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:42,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:42,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:15:42,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:15:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:42,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:42,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:42,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 22:15:42,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:42,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:15:42,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:42,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:42,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:42,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:42,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:42,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:15:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:42,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:42,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:42,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:15:42,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:42,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:15:42,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:42,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:42,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:42,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:42,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:42,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 22:15:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:42,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:42,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:42,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:15:42,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:42,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:15:42,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:42,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:42,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:42,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:42,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:42,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 22:15:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:42,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:42,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:42,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:15:42,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:42,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:15:42,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:42,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:42,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:42,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:42,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:42,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 22:15:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:42,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:42,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:42,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 22:15:42,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:42,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 22:15:42,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:42,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:42,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:42,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:42,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:42,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 22:15:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:42,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:42,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:42,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 22:15:42,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:42,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 22:15:42,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:42,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:42,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:42,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:42,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:15:42,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:15:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:42,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:42,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:42,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 22:15:42,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:42,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 22:15:42,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:42,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:42,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:42,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:42,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:15:42,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:15:42,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:42,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:42,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:42,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 22:15:42,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:42,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 22:15:42,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:42,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:42,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:42,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:42,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:15:42,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:15:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:42,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:42,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:42,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:15:42,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:42,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:15:42,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:42,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:42,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:42,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:42,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:42,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 22:15:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:42,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:42,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:42,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:15:42,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:42,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:15:42,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:42,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:42,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:42,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:42,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:42,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 22:15:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:42,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:42,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:42,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 22:15:42,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:42,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 22:15:42,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:42,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 22:15:42,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:42,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 22:15:42,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:42,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:15:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:42,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:42,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:42,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:15:42,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:42,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:15:42,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:42,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:42,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:42,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:42,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:42,710 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 22:15:42,711 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [205088493] [2020-10-12 22:15:42,711 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:15:42,711 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 22:15:42,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364702538] [2020-10-12 22:15:42,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 22:15:42,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:15:42,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 22:15:42,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-12 22:15:42,714 INFO L87 Difference]: Start difference. First operand 1197 states and 1638 transitions. Second operand 11 states. [2020-10-12 22:15:43,006 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 22:15:51,880 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-12 22:15:52,633 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-12 22:15:53,122 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-12 22:15:53,619 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-12 22:15:54,077 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-12 22:16:08,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:16:08,908 INFO L93 Difference]: Finished difference Result 1441 states and 2015 transitions. [2020-10-12 22:16:08,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 22:16:08,910 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 89 [2020-10-12 22:16:08,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:16:08,920 INFO L225 Difference]: With dead ends: 1441 [2020-10-12 22:16:08,920 INFO L226 Difference]: Without dead ends: 1438 [2020-10-12 22:16:08,922 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-10-12 22:16:08,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2020-10-12 22:16:09,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 1197. [2020-10-12 22:16:09,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1197 states. [2020-10-12 22:16:09,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1638 transitions. [2020-10-12 22:16:09,100 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1638 transitions. Word has length 89 [2020-10-12 22:16:09,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:16:09,101 INFO L479 AbstractCegarLoop]: Abstraction has 1197 states and 1638 transitions. [2020-10-12 22:16:09,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 22:16:09,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1638 transitions. [2020-10-12 22:16:09,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-12 22:16:09,106 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:16:09,107 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 22:16:09,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 22:16:09,107 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:16:09,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:16:09,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1556946050, now seen corresponding path program 1 times [2020-10-12 22:16:09,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:16:09,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1659376061] [2020-10-12 22:16:09,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:16:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:09,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:09,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:09,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:10,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:14,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:14,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-12 22:16:14,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 22:16:14,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 22:16:14,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:14,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 22:16:14,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 22:16:14,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-12 22:16:14,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:14,628 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 22:16:14,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:16:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:14,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:14,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:14,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:16:14,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:14,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-12 22:16:14,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:14,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:16:14,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:14,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 22:16:14,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:14,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:16:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:14,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:14,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:14,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 22:16:14,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:14,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 22:16:14,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:14,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:16:14,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:14,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 22:16:14,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:14,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:16:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:14,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:14,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:14,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:16:14,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:14,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:16:14,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:14,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:14,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:14,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:14,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:16:14,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 22:16:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:14,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:14,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:14,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:16:14,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:14,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:16:14,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:14,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:16:14,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:14,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 22:16:14,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:14,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 22:16:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:14,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:14,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:14,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:16:14,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:14,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:16:14,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:14,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:16:14,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:14,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 22:16:14,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:14,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 22:16:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:14,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:14,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:14,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 22:16:14,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:14,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-12 22:16:14,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:14,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 22:16:14,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 22:16:14,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 22:16:14,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:14,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 22:16:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:14,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:14,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:14,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 22:16:14,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:14,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 22:16:14,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:14,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:16:15,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:15,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 22:16:15,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:15,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:16:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:15,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:15,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:15,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 22:16:15,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:15,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 22:16:15,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:15,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:15,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:15,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:15,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:15,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:16:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:15,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:15,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:15,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 22:16:15,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:15,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 22:16:15,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:15,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:15,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:15,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:15,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:15,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:16:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:15,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:15,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:15,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:16:15,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:15,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:16:15,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:15,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:15,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:15,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:15,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:16:15,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 22:16:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:15,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:15,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:15,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:16:15,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:15,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:16:15,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:15,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:16:15,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:15,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 22:16:15,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:15,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 22:16:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:15,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:15,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:15,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:15,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 22:16:15,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 22:16:15,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-12 22:16:15,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:15,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 22:16:15,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 22:16:15,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 22:16:15,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:15,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:16:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:15,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:15,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:15,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:16:15,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:15,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:16:15,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:15,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:15,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:15,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:15,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:15,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 22:16:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:15,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:15,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:15,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:16:15,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:15,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:16:15,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:15,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:15,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:15,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:15,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:16:15,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 22:16:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:15,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:15,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:15,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:16:15,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:15,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:16:15,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:15,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 22:16:15,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:15,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 22:16:15,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:15,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 22:16:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:15,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:15,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:15,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:16:15,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:15,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:16:15,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:15,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:16:15,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:15,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 22:16:15,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:15,309 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 22:16:15,310 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1659376061] [2020-10-12 22:16:15,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:16:15,311 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 22:16:15,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090377061] [2020-10-12 22:16:15,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 22:16:15,312 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:16:15,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 22:16:15,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-12 22:16:15,312 INFO L87 Difference]: Start difference. First operand 1197 states and 1638 transitions. Second operand 10 states. [2020-10-12 22:16:15,707 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 22:16:16,844 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-12 22:16:18,596 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 22:16:22,649 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-12 22:16:35,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:16:35,344 INFO L93 Difference]: Finished difference Result 2601 states and 3620 transitions. [2020-10-12 22:16:35,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 22:16:35,345 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2020-10-12 22:16:35,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:16:35,355 INFO L225 Difference]: With dead ends: 2601 [2020-10-12 22:16:35,356 INFO L226 Difference]: Without dead ends: 1440 [2020-10-12 22:16:35,360 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-10-12 22:16:35,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1440 states. [2020-10-12 22:16:35,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1440 to 1198. [2020-10-12 22:16:35,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1198 states. [2020-10-12 22:16:35,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 1639 transitions. [2020-10-12 22:16:35,543 INFO L78 Accepts]: Start accepts. Automaton has 1198 states and 1639 transitions. Word has length 104 [2020-10-12 22:16:35,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:16:35,546 INFO L479 AbstractCegarLoop]: Abstraction has 1198 states and 1639 transitions. [2020-10-12 22:16:35,546 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 22:16:35,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1639 transitions. [2020-10-12 22:16:35,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-12 22:16:35,553 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:16:35,553 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 22:16:35,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 22:16:35,554 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:16:35,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:16:35,554 INFO L82 PathProgramCache]: Analyzing trace with hash -772961023, now seen corresponding path program 1 times [2020-10-12 22:16:35,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:16:35,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1015596233] [2020-10-12 22:16:35,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:16:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:35,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:35,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:36,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:40,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:40,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-12 22:16:40,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 22:16:40,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-12 22:16:40,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:40,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 22:16:40,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-12 22:16:40,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 22:16:40,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:41,063 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 22:16:41,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:16:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:41,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:41,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:41,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:16:41,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:41,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 22:16:41,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:41,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:41,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:41,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:41,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:41,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:16:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:41,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:41,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:41,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 22:16:41,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:41,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:16:41,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:41,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:41,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:41,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:41,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:41,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:16:41,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:41,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:41,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:41,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:16:41,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:41,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:16:41,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:41,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:41,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:41,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:41,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:41,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 22:16:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:41,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:41,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:41,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:16:41,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:41,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:16:41,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:41,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:41,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:41,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:41,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:41,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 22:16:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:41,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:41,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:41,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:16:41,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:41,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:16:41,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:41,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:41,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:41,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:41,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:41,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 22:16:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:41,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:41,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:41,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 22:16:41,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:41,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 22:16:41,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:41,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:41,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:41,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:41,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:41,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 22:16:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:41,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:41,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:41,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 22:16:41,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:41,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 22:16:41,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:41,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:41,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:41,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:41,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:16:41,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:16:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:41,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:41,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:41,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 22:16:41,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:41,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 22:16:41,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:41,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:41,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:41,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:41,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:41,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:16:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:41,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:41,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:41,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 22:16:41,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:41,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:16:41,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:41,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:41,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:41,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:41,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:41,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:16:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:41,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:41,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:41,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:16:41,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:41,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:16:41,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:41,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:41,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:41,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:41,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:41,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 22:16:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:41,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:41,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:41,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:16:41,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:41,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:16:41,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:41,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:41,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:41,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:41,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:41,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 22:16:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:41,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:41,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:41,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:41,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 22:16:41,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 22:16:41,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-12 22:16:41,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:41,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 22:16:41,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:41,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-12 22:16:41,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:41,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:16:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:41,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:41,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:41,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:16:41,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:41,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:16:41,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:41,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:41,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:41,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:41,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:41,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 22:16:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:41,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:41,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:41,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:16:41,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:41,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:16:41,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:41,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:41,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:41,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:41,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 22:16:41,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 22:16:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:41,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:41,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:41,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 22:16:41,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:41,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:16:41,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:41,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:41,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:41,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:41,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:41,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 22:16:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:41,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:41,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:41,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:16:41,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:41,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:16:41,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:41,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:16:41,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:41,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 22:16:41,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:41,588 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 22:16:41,589 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1015596233] [2020-10-12 22:16:41,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:16:41,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-12 22:16:41,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318615564] [2020-10-12 22:16:41,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 22:16:41,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:16:41,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 22:16:41,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-12 22:16:41,591 INFO L87 Difference]: Start difference. First operand 1198 states and 1639 transitions. Second operand 12 states. [2020-10-12 22:16:41,900 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 22:16:51,273 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-12 22:16:51,983 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-12 22:16:52,516 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-12 22:16:53,013 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-12 22:16:53,485 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-12 22:16:54,561 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-12 22:16:55,406 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-12 22:17:07,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:17:07,579 INFO L93 Difference]: Finished difference Result 1465 states and 2045 transitions. [2020-10-12 22:17:07,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 22:17:07,580 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 106 [2020-10-12 22:17:07,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:17:07,590 INFO L225 Difference]: With dead ends: 1465 [2020-10-12 22:17:07,590 INFO L226 Difference]: Without dead ends: 1462 [2020-10-12 22:17:07,591 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2020-10-12 22:17:07,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1462 states. [2020-10-12 22:17:07,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1462 to 1200. [2020-10-12 22:17:07,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1200 states. [2020-10-12 22:17:07,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 1200 states and 1642 transitions. [2020-10-12 22:17:07,776 INFO L78 Accepts]: Start accepts. Automaton has 1200 states and 1642 transitions. Word has length 106 [2020-10-12 22:17:07,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:17:07,777 INFO L479 AbstractCegarLoop]: Abstraction has 1200 states and 1642 transitions. [2020-10-12 22:17:07,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 22:17:07,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1642 transitions. [2020-10-12 22:17:07,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-12 22:17:07,783 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:17:07,784 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 22:17:07,786 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 22:17:07,786 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:17:07,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:17:07,786 INFO L82 PathProgramCache]: Analyzing trace with hash -248482353, now seen corresponding path program 1 times [2020-10-12 22:17:07,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:17:07,787 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [39498664] [2020-10-12 22:17:07,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:17:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:07,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:07,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:07,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:12,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:12,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-12 22:17:12,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 22:17:12,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-12 22:17:12,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:12,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 22:17:12,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 141 [2020-10-12 22:17:12,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 22:17:12,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:13,177 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 22:17:13,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:17:13,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:13,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:13,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:13,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:17:13,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:13,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-12 22:17:13,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:13,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:13,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:13,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:13,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:13,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:17:13,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:13,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:13,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:13,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 22:17:13,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:13,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 22:17:13,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:13,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:13,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:13,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:13,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:13,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:17:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:13,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:13,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:13,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:17:13,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:13,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:17:13,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:13,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:13,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:13,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:13,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:13,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 22:17:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:13,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:13,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:13,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:17:13,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:13,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:17:13,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:13,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:13,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:13,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:13,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:13,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 22:17:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:13,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:13,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:13,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:17:13,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:13,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 22:17:13,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:13,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:13,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:13,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:13,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:13,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 22:17:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:13,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:13,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:13,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 22:17:13,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:13,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 22:17:13,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:13,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:13,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:13,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:13,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:13,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 22:17:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:13,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:13,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:13,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 22:17:13,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:13,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 22:17:13,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:13,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:13,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:13,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:13,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:13,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:17:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:13,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:13,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:13,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 22:17:13,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:13,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 22:17:13,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:13,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:13,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:13,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:13,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:13,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:17:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:13,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:13,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:13,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 22:17:13,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:13,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:17:13,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:13,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:13,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:13,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:13,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:13,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:17:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:13,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:13,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:13,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:17:13,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:13,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:17:13,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:13,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:13,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:13,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:13,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:13,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 22:17:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:13,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:13,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:13,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:17:13,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:13,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:17:13,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:13,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:13,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:13,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:13,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:17:13,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 22:17:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:13,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:13,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:13,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:13,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-12 22:17:13,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 22:17:13,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 334 [2020-10-12 22:17:13,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:13,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 22:17:13,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-12 22:17:13,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 22:17:13,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:17:13,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:17:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:13,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:13,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:13,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:17:13,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:13,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:17:13,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:13,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:13,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:13,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:13,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:13,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 22:17:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:13,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:13,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:13,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:17:13,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:13,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:17:13,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:13,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:13,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:13,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:13,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:13,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 22:17:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:13,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:13,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:13,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 22:17:13,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:13,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 22:17:13,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:13,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:13,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:13,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:13,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:13,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 22:17:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:13,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:13,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:13,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:17:13,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:13,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:17:13,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:13,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:13,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:13,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:13,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:13,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 22:17:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:13,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:13,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:13,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:17:13,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:13,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 22:17:13,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:13,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 22:17:13,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:13,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 22:17:13,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:13,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 22:17:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:13,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:13,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:13,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:17:13,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:13,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:17:13,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:13,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:13,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 22:17:13,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:13,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:14,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 22:17:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:14,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:14,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:14,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:14,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 22:17:14,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 22:17:14,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 22:17:14,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:14,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:17:14,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 22:17:14,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 22:17:14,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:14,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 22:17:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:14,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:14,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:14,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:17:14,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:14,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:17:14,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:14,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:14,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 22:17:14,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:14,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:14,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 22:17:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:14,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:14,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:14,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:17:14,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:14,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:17:14,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:14,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:14,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 22:17:14,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:14,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:14,090 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-12 22:17:14,091 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [39498664] [2020-10-12 22:17:14,092 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:17:14,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 22:17:14,092 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862236285] [2020-10-12 22:17:14,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 22:17:14,093 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:17:14,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 22:17:14,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-12 22:17:14,094 INFO L87 Difference]: Start difference. First operand 1200 states and 1642 transitions. Second operand 10 states. [2020-10-12 22:17:14,466 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 22:17:26,776 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-12 22:17:38,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:17:38,167 INFO L93 Difference]: Finished difference Result 2603 states and 3630 transitions. [2020-10-12 22:17:38,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 22:17:38,168 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 140 [2020-10-12 22:17:38,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:17:38,179 INFO L225 Difference]: With dead ends: 2603 [2020-10-12 22:17:38,179 INFO L226 Difference]: Without dead ends: 1439 [2020-10-12 22:17:38,189 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-10-12 22:17:38,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1439 states. [2020-10-12 22:17:38,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1439 to 1204. [2020-10-12 22:17:38,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1204 states. [2020-10-12 22:17:38,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 1643 transitions. [2020-10-12 22:17:38,373 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 1643 transitions. Word has length 140 [2020-10-12 22:17:38,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:17:38,374 INFO L479 AbstractCegarLoop]: Abstraction has 1204 states and 1643 transitions. [2020-10-12 22:17:38,374 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 22:17:38,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1643 transitions. [2020-10-12 22:17:38,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-12 22:17:38,383 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:17:38,383 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 22:17:38,383 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 22:17:38,383 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:17:38,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:17:38,384 INFO L82 PathProgramCache]: Analyzing trace with hash -1375676397, now seen corresponding path program 1 times [2020-10-12 22:17:38,384 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:17:38,385 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2127632115] [2020-10-12 22:17:38,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:17:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:38,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:38,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:38,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:38,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:38,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:39,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:40,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:40,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:40,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:43,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:43,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-12 22:17:43,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 22:17:43,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5066 [2020-10-12 22:17:43,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:43,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 22:17:43,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-12 22:17:43,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-12 22:17:43,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:17:44,044 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 22:17:44,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:17:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:44,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:44,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:44,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:17:44,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:44,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 22:17:44,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:44,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:44,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:44,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:44,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:17:44,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:17:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:44,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:44,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:44,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 22:17:44,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:44,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:17:44,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:44,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:44,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:44,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:44,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:44,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:17:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:44,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:44,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:44,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:17:44,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:44,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:17:44,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:44,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:44,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:44,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:44,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:44,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 22:17:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:44,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:44,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:44,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:17:44,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:44,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:17:44,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:44,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:44,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:44,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:44,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:44,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 22:17:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:44,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:44,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:44,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:17:44,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:44,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:17:44,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:44,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:44,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:44,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:44,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:44,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 22:17:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:44,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:44,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:44,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 22:17:44,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:44,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-12 22:17:44,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:44,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 22:17:44,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:44,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 22:17:44,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:44,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 22:17:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:44,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:44,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:44,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 22:17:44,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:44,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-12 22:17:44,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:44,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 22:17:44,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:44,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 22:17:44,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:17:44,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:17:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:44,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:44,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:44,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 22:17:44,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:44,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-12 22:17:44,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:44,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 22:17:44,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:44,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 22:17:44,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:17:44,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:17:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:44,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:44,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:44,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 22:17:44,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:44,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 22:17:44,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:44,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 22:17:44,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:44,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 22:17:44,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:17:44,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:17:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:44,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:44,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:44,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:17:44,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:44,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 22:17:44,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:44,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 22:17:44,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:44,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 22:17:44,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:17:44,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 22:17:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:44,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:44,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:44,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:17:44,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:44,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 22:17:44,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:44,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:17:44,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:44,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 22:17:44,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:17:44,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 22:17:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:45,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:45,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:45,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:45,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:46,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:46,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:46,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-12 22:17:46,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 22:17:46,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1381 [2020-10-12 22:17:46,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:46,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 22:17:46,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 22:17:46,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 22:17:46,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:17:46,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:17:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:46,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:46,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:46,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:17:46,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:46,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:17:46,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:46,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:46,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:46,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:46,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:46,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 22:17:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:46,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:46,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:46,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:17:46,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:46,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:17:46,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:46,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:46,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:46,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:46,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:46,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 22:17:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:46,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:46,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:46,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 22:17:46,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:46,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 22:17:46,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:46,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 22:17:46,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:46,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 22:17:46,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:17:46,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 22:17:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:46,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:46,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:46,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:17:46,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:46,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 22:17:46,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:46,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:17:46,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:46,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 22:17:46,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:46,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 22:17:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:46,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:46,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:46,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:46,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:46,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:46,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-12 22:17:46,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 22:17:46,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 352 [2020-10-12 22:17:46,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:46,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 22:17:46,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 22:17:46,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 22:17:46,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:47,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:17:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:47,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:47,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:47,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:17:47,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:47,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:17:47,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:47,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:17:47,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:47,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 22:17:47,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:47,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 22:17:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:47,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:47,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:47,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:17:47,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:47,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:17:47,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:47,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:17:47,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:47,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 22:17:47,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:47,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 22:17:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:47,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:47,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:47,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:17:47,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:47,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:17:47,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:47,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:17:47,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:47,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 22:17:47,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:47,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 22:17:47,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:47,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:47,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:47,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:17:47,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:47,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:17:47,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:47,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:17:47,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:47,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 22:17:47,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:17:47,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 22:17:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:47,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:47,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:47,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:17:47,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:47,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:17:47,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:47,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:17:47,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:47,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 22:17:47,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:47,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 22:17:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:47,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:47,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:47,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:17:47,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:47,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:17:47,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:47,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:47,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 22:17:47,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:47,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:47,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 22:17:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:47,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:47,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:47,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 22:17:47,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:47,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:17:47,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:47,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:47,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 22:17:47,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:47,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:47,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 22:17:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:47,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:47,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:47,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:17:47,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:47,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:17:47,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:47,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:47,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 22:17:47,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:47,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:47,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 22:17:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:47,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:47,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:47,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:17:47,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:47,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:17:47,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:47,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:47,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 22:17:47,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:47,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:47,238 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-12 22:17:47,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2127632115] [2020-10-12 22:17:47,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:17:47,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-10-12 22:17:47,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309961604] [2020-10-12 22:17:47,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 22:17:47,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:17:47,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 22:17:47,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2020-10-12 22:17:47,240 INFO L87 Difference]: Start difference. First operand 1204 states and 1643 transitions. Second operand 20 states. [2020-10-12 22:17:47,582 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 22:17:48,518 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-12 22:17:48,974 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-12 22:17:49,897 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-12 22:17:50,306 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-12 22:17:50,737 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-12 22:17:51,124 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-12 22:17:51,527 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-12 22:17:51,913 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-12 22:17:52,314 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-12 22:17:54,637 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-12 22:18:04,505 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 203