/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-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 22:14:34,741 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 22:14:34,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 22:14:34,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 22:14:34,793 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 22:14:34,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 22:14:34,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 22:14:34,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 22:14:34,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 22:14:34,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 22:14:34,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 22:14:34,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 22:14:34,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 22:14:34,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 22:14:34,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 22:14:34,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 22:14:34,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 22:14:34,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 22:14:34,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 22:14:34,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 22:14:34,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 22:14:34,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 22:14:34,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 22:14:34,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 22:14:34,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 22:14:34,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 22:14:34,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 22:14:34,852 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 22:14:34,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 22:14:34,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 22:14:34,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 22:14:34,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 22:14:34,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 22:14:34,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 22:14:34,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 22:14:34,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 22:14:34,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 22:14:34,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 22:14:34,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 22:14:34,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 22:14:34,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 22:14:34,862 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 22:14:34,908 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 22:14:34,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 22:14:34,911 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 22:14:34,911 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 22:14:34,911 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 22:14:34,911 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 22:14:34,912 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 22:14:34,912 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 22:14:34,912 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 22:14:34,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 22:14:34,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 22:14:34,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 22:14:34,914 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 22:14:34,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 22:14:34,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 22:14:34,915 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 22:14:34,915 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 22:14:34,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 22:14:34,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 22:14:34,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 22:14:34,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 22:14:34,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 22:14:34,916 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 22:14:34,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 22:14:34,917 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 22:14:34,917 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 22:14:34,917 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-12 22:14:34,917 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 22:14:35,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 22:14:35,257 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 22:14:35,268 INFO L214 ainManager$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$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2020-10-12 22:14:35,348 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1fb8e003e/94907debaa724ed9a0ecdfe6fc181112/FLAG4e628f221 [2020-10-12 22:14:36,110 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 22:14:36,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2020-10-12 22:14:36,151 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1fb8e003e/94907debaa724ed9a0ecdfe6fc181112/FLAG4e628f221 [2020-10-12 22:14:36,190 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1fb8e003e/94907debaa724ed9a0ecdfe6fc181112 [2020-10-12 22:14:36,201 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 22:14:36,204 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 22:14:36,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 22:14:36,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 22:14:36,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 22:14:36,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:14:36" (1/1) ... [2020-10-12 22:14:36,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a5fe62a 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 22:14:36,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:14:36" (1/1) ... [2020-10-12 22:14:36,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 22:14:36,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 22:14:38,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 22:14:38,240 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 22:14:38,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 22:14:38,959 INFO L208 MainTranslator]: Completed translation [2020-10-12 22:14:38,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:14:38 WrapperNode [2020-10-12 22:14:38,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 22:14:38,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 22:14:38,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 22:14:38,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 22:14:38,977 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 22:14:38,978 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 22:14:39,057 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 22:14:39,060 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 22:14:39,197 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 22:14:39,237 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 22:14:39,252 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 22:14:39,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 22:14:39,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 22:14:39,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 22:14:39,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 22:14:39,276 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 22:14:39,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 22:14:39,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 22:14:39,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2020-10-12 22:14:39,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-12 22:14:39,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive_int [2020-10-12 22:14:39,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-12 22:14:39,350 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-12 22:14:39,350 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-12 22:14:39,350 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-12 22:14:39,351 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-12 22:14:39,352 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-12 22:14:39,352 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-12 22:14:39,352 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-12 22:14:39,352 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-12 22:14:39,352 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2020-10-12 22:14:39,352 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-12 22:14:39,353 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2020-10-12 22:14:39,357 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-12 22:14:39,357 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-12 22:14:39,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-12 22:14:39,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-12 22:14:39,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-12 22:14:39,358 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-12 22:14:39,358 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-12 22:14:39,359 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-10-12 22:14:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2020-10-12 22:14:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2020-10-12 22:14:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-12 22:14:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice [2020-10-12 22:14:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2020-10-12 22:14:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2020-10-12 22:14:39,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2020-10-12 22:14:39,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2020-10-12 22:14:39,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2020-10-12 22:14:39,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2020-10-12 22:14:39,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2020-10-12 22:14:39,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2020-10-12 22:14:39,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2020-10-12 22:14:39,362 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_alloc_bufs [2020-10-12 22:14:39,362 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2020-10-12 22:14:39,362 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_realloc_bufs [2020-10-12 22:14:39,362 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_lock [2020-10-12 22:14:39,362 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2020-10-12 22:14:39,362 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2020-10-12 22:14:39,363 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_encaps [2020-10-12 22:14:39,363 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_write_wakeup [2020-10-12 22:14:39,363 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_tx_timeout [2020-10-12 22:14:39,363 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_xmit [2020-10-12 22:14:39,363 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_close [2020-10-12 22:14:39,363 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_open [2020-10-12 22:14:39,363 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_change_mtu [2020-10-12 22:14:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_get_stats64 [2020-10-12 22:14:39,365 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_init [2020-10-12 22:14:39,365 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_uninit [2020-10-12 22:14:39,365 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_netdev [2020-10-12 22:14:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_setup [2020-10-12 22:14:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_receive_buf [2020-10-12 22:14:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_sync [2020-10-12 22:14:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_alloc [2020-10-12 22:14:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_open [2020-10-12 22:14:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2020-10-12 22:14:39,366 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_hangup [2020-10-12 22:14:39,367 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_esc [2020-10-12 22:14:39,367 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_unesc [2020-10-12 22:14:39,367 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_esc6 [2020-10-12 22:14:39,367 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_unesc6 [2020-10-12 22:14:39,367 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2020-10-12 22:14:39,367 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_compat_ioctl [2020-10-12 22:14:39,367 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2020-10-12 22:14:39,367 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_init [2020-10-12 22:14:39,368 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_exit [2020-10-12 22:14:39,368 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_outfill [2020-10-12 22:14:39,369 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_keepalive [2020-10-12 22:14:39,369 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 22:14:39,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sl_alloc_bufs_1 [2020-10-12 22:14:39,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdevice_2 [2020-10-12 22:14:39,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_slip_open_3 [2020-10-12 22:14:39,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-12 22:14:39,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_callback_ret_val [2020-10-12 22:14:39,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2020-10-12 22:14:39,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-12 22:14:39,371 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-12 22:14:39,372 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-12 22:14:39,372 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2020-10-12 22:14:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-12 22:14:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2020-10-12 22:14:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2020-10-12 22:14:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2020-10-12 22:14:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-10-12 22:14:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2020-10-12 22:14:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2020-10-12 22:14:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2020-10-12 22:14:39,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2020-10-12 22:14:39,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2020-10-12 22:14:39,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2020-10-12 22:14:39,374 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-10-12 22:14:39,374 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2020-10-12 22:14:39,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-12 22:14:39,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-12 22:14:39,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-10-12 22:14:39,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-12 22:14:39,375 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-12 22:14:39,375 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2020-10-12 22:14:39,375 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2020-10-12 22:14:39,375 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2020-10-12 22:14:39,375 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2020-10-12 22:14:39,375 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-12 22:14:39,376 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice [2020-10-12 22:14:39,376 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2020-10-12 22:14:39,376 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2020-10-12 22:14:39,376 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-12 22:14:39,376 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_compress [2020-10-12 22:14:39,376 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2020-10-12 22:14:39,376 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_init [2020-10-12 22:14:39,377 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_remember [2020-10-12 22:14:39,377 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_uncompress [2020-10-12 22:14:39,377 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_chars_in_buffer [2020-10-12 22:14:39,377 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2020-10-12 22:14:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2020-10-12 22:14:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_mode_ioctl [2020-10-12 22:14:39,378 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2020-10-12 22:14:39,379 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2020-10-12 22:14:39,379 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-10-12 22:14:39,379 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_queue [2020-10-12 22:14:39,379 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-12 22:14:39,380 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-12 22:14:39,380 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-12 22:14:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 22:14:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-12 22:14:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-12 22:14:39,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 22:14:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive_int [2020-10-12 22:14:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_callback_ret_val [2020-10-12 22:14:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-12 22:14:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-12 22:14:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-12 22:14:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-12 22:14:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-12 22:14:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 22:14:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-12 22:14:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-12 22:14:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-12 22:14:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-12 22:14:39,387 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-12 22:14:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-12 22:14:39,395 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2020-10-12 22:14:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-12 22:14:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-12 22:14:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-12 22:14:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2020-10-12 22:14:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-12 22:14:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2020-10-12 22:14:39,396 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-12 22:14:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-12 22:14:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2020-10-12 22:14:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-12 22:14:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2020-10-12 22:14:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2020-10-12 22:14:39,397 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2020-10-12 22:14:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2020-10-12 22:14:39,398 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2020-10-12 22:14:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2020-10-12 22:14:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2020-10-12 22:14:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-12 22:14:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-12 22:14:39,399 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-10-12 22:14:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure tty_chars_in_buffer [2020-10-12 22:14:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2020-10-12 22:14:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure tty_mode_ioctl [2020-10-12 22:14:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2020-10-12 22:14:39,400 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2020-10-12 22:14:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2020-10-12 22:14:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-12 22:14:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-12 22:14:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-12 22:14:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 22:14:39,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-12 22:14:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-12 22:14:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 22:14:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-12 22:14:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-12 22:14:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-12 22:14:39,402 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-12 22:14:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2020-10-12 22:14:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-12 22:14:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-10-12 22:14:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 22:14:39,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 22:14:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2020-10-12 22:14:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2020-10-12 22:14:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2020-10-12 22:14:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-12 22:14:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2020-10-12 22:14:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice [2020-10-12 22:14:39,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdevice_2 [2020-10-12 22:14:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_queue [2020-10-12 22:14:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice [2020-10-12 22:14:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-10-12 22:14:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2020-10-12 22:14:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2020-10-12 22:14:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2020-10-12 22:14:39,405 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2020-10-12 22:14:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2020-10-12 22:14:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2020-10-12 22:14:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2020-10-12 22:14:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 22:14:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2020-10-12 22:14:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2020-10-12 22:14:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2020-10-12 22:14:39,406 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2020-10-12 22:14:39,407 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2020-10-12 22:14:39,407 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2020-10-12 22:14:39,407 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2020-10-12 22:14:39,407 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-10-12 22:14:39,407 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2020-10-12 22:14:39,407 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2020-10-12 22:14:39,407 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2020-10-12 22:14:39,408 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2020-10-12 22:14:39,408 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_compress [2020-10-12 22:14:39,408 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_uncompress [2020-10-12 22:14:39,408 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_remember [2020-10-12 22:14:39,408 INFO L130 BoogieDeclarations]: Found specification of procedure slip_esc [2020-10-12 22:14:39,408 INFO L130 BoogieDeclarations]: Found specification of procedure slip_unesc [2020-10-12 22:14:39,408 INFO L130 BoogieDeclarations]: Found specification of procedure slip_esc6 [2020-10-12 22:14:39,409 INFO L130 BoogieDeclarations]: Found specification of procedure slip_unesc6 [2020-10-12 22:14:39,409 INFO L130 BoogieDeclarations]: Found specification of procedure sl_keepalive [2020-10-12 22:14:39,409 INFO L130 BoogieDeclarations]: Found specification of procedure sl_outfill [2020-10-12 22:14:39,409 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2020-10-12 22:14:39,409 INFO L130 BoogieDeclarations]: Found specification of procedure sl_alloc_bufs [2020-10-12 22:14:39,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sl_alloc_bufs_1 [2020-10-12 22:14:39,409 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2020-10-12 22:14:39,409 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-12 22:14:39,410 INFO L130 BoogieDeclarations]: Found specification of procedure sl_realloc_bufs [2020-10-12 22:14:39,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-12 22:14:39,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 22:14:39,410 INFO L130 BoogieDeclarations]: Found specification of procedure sl_lock [2020-10-12 22:14:39,410 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2020-10-12 22:14:39,410 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2020-10-12 22:14:39,410 INFO L130 BoogieDeclarations]: Found specification of procedure sl_encaps [2020-10-12 22:14:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2020-10-12 22:14:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 22:14:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure slip_write_wakeup [2020-10-12 22:14:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure sl_tx_timeout [2020-10-12 22:14:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure sl_xmit [2020-10-12 22:14:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure sl_close [2020-10-12 22:14:39,411 INFO L130 BoogieDeclarations]: Found specification of procedure sl_open [2020-10-12 22:14:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure sl_change_mtu [2020-10-12 22:14:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure sl_get_stats64 [2020-10-12 22:14:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure sl_init [2020-10-12 22:14:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure sl_uninit [2020-10-12 22:14:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_netdev [2020-10-12 22:14:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure sl_setup [2020-10-12 22:14:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure slip_receive_buf [2020-10-12 22:14:39,412 INFO L130 BoogieDeclarations]: Found specification of procedure sl_sync [2020-10-12 22:14:39,413 INFO L130 BoogieDeclarations]: Found specification of procedure sl_alloc [2020-10-12 22:14:39,414 INFO L130 BoogieDeclarations]: Found specification of procedure slip_open [2020-10-12 22:14:39,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_slip_open_3 [2020-10-12 22:14:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2020-10-12 22:14:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure slip_hangup [2020-10-12 22:14:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2020-10-12 22:14:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure slip_compat_ioctl [2020-10-12 22:14:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure slip_init [2020-10-12 22:14:39,419 INFO L130 BoogieDeclarations]: Found specification of procedure slip_exit [2020-10-12 22:14:39,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-12 22:14:39,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-12 22:14:39,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-12 22:14:39,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-10-12 22:14:39,420 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 22:14:39,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-12 22:14:39,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-12 22:14:39,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-12 22:14:39,421 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 22:14:39,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 22:14:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 22:14:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-12 22:14:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 22:14:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-12 22:14:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-12 22:14:39,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-12 22:14:39,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-12 22:14:40,476 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-12 22:14:42,775 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 22:14:42,775 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-12 22:14:42,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:14:42 BoogieIcfgContainer [2020-10-12 22:14:42,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 22:14:42,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 22:14:42,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 22:14:42,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 22:14:42,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 10:14:36" (1/3) ... [2020-10-12 22:14:42,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c390109 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 22:14:42,795 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 22:14:42,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c390109 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 22:14:42,795 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 22:14:42,797 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2020-10-12 22:14:42,885 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 22:14:42,894 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 22:14:42,910 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 22:14:42,942 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 22:14:42,942 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 22:14:42,942 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 22:14:42,942 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 22:14:42,942 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 22:14:42,943 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 22:14:42,943 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 22:14:42,943 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 22:14:42,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states. [2020-10-12 22:14:43,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-12 22:14:43,009 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:14:43,010 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 22:14:43,010 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:14:43,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:14:43,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1375221901, now seen corresponding path program 1 times [2020-10-12 22:14:43,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:14:43,026 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1791584346] [2020-10-12 22:14:43,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:14:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:14:43,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:43,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:46,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:48,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:14:48,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-12 22:14:48,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 22:14:48,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5061 [2020-10-12 22:14:48,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:14:48,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 22:14:48,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-10-12 22:14:48,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 22:14:48,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 22:14:48,892 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 22:14:48,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:14:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:14:48,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:48,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:14:48,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:14:48,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:14:48,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-12 22:14:48,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:14:48,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:14:48,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:14:48,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:14:48,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:14:49,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:14:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:14:49,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:49,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:14:49,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 22:14:49,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:14:49,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 22:14:49,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:14:49,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:14:49,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:14:49,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:14:49,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:14:49,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:14:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:14:49,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:49,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:14:49,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:14:49,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:14:49,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 22:14:49,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:14:49,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:14:49,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:14:49,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:14:49,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:14:49,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 22:14:49,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:14:49,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:49,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:14:49,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:14:49,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:14:49,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 22:14:49,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:14:49,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:14:49,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:14:49,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:14:49,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:14:49,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 22:14:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:14:49,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:49,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:14:49,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:14:49,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:14:49,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 22:14:49,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:14:49,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:14:49,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:14:49,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:14:49,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:14:49,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 22:14:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:14:49,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:49,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:14:49,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 22:14:49,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:14:49,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 22:14:49,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:14:49,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:14:49,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:14:49,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:14:49,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:14:49,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 22:14:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:14:49,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:49,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:14:49,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 22:14:49,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:14:49,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 22:14:49,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:14:49,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:14:49,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:14:49,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:14:49,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:14:49,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:14:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:14:49,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:49,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:14:49,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 22:14:49,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:14:49,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-12 22:14:49,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:14:49,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:14:49,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:14:49,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:14:49,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:14:49,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:14:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:14:49,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:49,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:14:49,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 22:14:49,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:14:49,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 22:14:49,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:14:49,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:14:49,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:14:49,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:14:49,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:14:49,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:14:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:14:49,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:49,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:14:49,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:14:49,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:14:49,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 22:14:49,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:14:49,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:14:49,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:14:49,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:14:49,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:14:49,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 22:14:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:14:49,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:49,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:14:49,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:14:49,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:14:49,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 22:14:49,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:14:49,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:14:49,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:14:49,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:14:49,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:14:49,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 22:14:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:14:49,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:49,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:14:49,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 22:14:49,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:14:49,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 22:14:49,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:14:49,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 22:14:49,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:14:49,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 22:14:49,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:14:49,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:14:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:14:49,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:14:49,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:14:49,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:14:49,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:14:49,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 22:14:49,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:14:49,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:14:49,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:14:49,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:14:49,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:14:49,523 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 22:14:49,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1791584346] [2020-10-12 22:14:49,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:14:49,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 22:14:49,526 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077590120] [2020-10-12 22:14:49,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 22:14:49,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:14:49,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 22:14:49,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-12 22:14:49,553 INFO L87 Difference]: Start difference. First operand 1243 states. Second operand 11 states. [2020-10-12 22:14:49,846 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 22:14:58,196 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-12 22:14:58,823 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-12 22:14:59,268 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-12 22:14:59,671 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-12 22:15:00,065 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-12 22:15:11,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:15:11,043 INFO L93 Difference]: Finished difference Result 2728 states and 3847 transitions. [2020-10-12 22:15:11,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 22:15:11,045 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 88 [2020-10-12 22:15:11,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:15:11,082 INFO L225 Difference]: With dead ends: 2728 [2020-10-12 22:15:11,082 INFO L226 Difference]: Without dead ends: 1433 [2020-10-12 22:15:11,096 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-10-12 22:15:11,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1433 states. [2020-10-12 22:15:11,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1433 to 1197. [2020-10-12 22:15:11,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1197 states. [2020-10-12 22:15:11,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1639 transitions. [2020-10-12 22:15:11,369 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1639 transitions. Word has length 88 [2020-10-12 22:15:11,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:15:11,370 INFO L479 AbstractCegarLoop]: Abstraction has 1197 states and 1639 transitions. [2020-10-12 22:15:11,370 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 22:15:11,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1639 transitions. [2020-10-12 22:15:11,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-12 22:15:11,380 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:15:11,381 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 22:15:11,381 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 22:15:11,381 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:15:11,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:15:11,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1316706304, now seen corresponding path program 1 times [2020-10-12 22:15:11,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:15:11,383 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [883424441] [2020-10-12 22:15:11,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:15:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:11,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:11,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:11,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:13,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:16,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:16,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-12 22:15:16,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 22:15:16,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-12 22:15:16,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:16,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 22:15:16,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 22:15:16,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 22:15:16,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:16,797 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 22:15:16,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:15:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:16,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:16,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:16,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:15:16,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:16,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-12 22:15:16,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:16,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:15:16,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:16,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 22:15:16,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:16,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:15:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:16,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:16,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:16,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 22:15:16,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:16,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 22:15:16,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:16,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:15:16,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:16,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 22:15:16,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:16,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:15:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:16,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:16,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:17,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:15:17,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:17,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:15:17,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:17,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:17,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:17,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:17,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:17,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 22:15:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:17,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:17,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:17,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:15:17,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:17,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:15:17,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:17,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:15:17,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:17,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 22:15:17,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:17,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 22:15:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:17,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:17,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:17,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:15:17,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:17,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 22:15:17,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:17,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:15:17,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:17,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 22:15:17,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:17,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 22:15:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:17,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:17,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:17,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 22:15:17,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:17,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-12 22:15:17,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:17,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 22:15:17,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 22:15:17,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 22:15:17,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:15:17,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 22:15:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:17,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:17,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:17,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 22:15:17,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:17,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 22:15:17,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:17,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:15:17,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:17,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 22:15:17,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:15:17,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:15:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:17,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:17,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:17,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 22:15:17,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:17,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 22:15:17,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:17,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:17,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:17,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:17,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:15:17,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:15:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:17,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:17,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:17,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 22:15:17,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:17,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 22:15:17,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:17,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:17,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:17,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:17,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:17,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:15:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:17,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:17,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:17,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:15:17,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:17,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 22:15:17,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:17,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:17,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:17,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:17,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:15:17,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 22:15:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:17,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:17,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:17,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:15:17,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:17,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 22:15:17,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:17,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:17,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 22:15:17,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:17,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:17,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 22:15:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:17,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:17,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:17,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:17,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 22:15:17,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 22:15:17,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 22:15:17,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:17,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:15:17,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 22:15:17,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 22:15:17,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:17,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:15:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:17,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:17,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:17,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:15:17,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:17,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:15:17,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:17,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:17,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:17,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:17,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:17,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 22:15:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:17,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:17,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:17,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:15:17,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:17,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:15:17,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:17,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:17,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:17,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:17,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:17,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 22:15:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:17,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:17,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:17,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:15:17,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:17,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:15:17,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:17,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:17,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:17,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:17,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:17,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 22:15:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:17,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:17,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:17,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:15:17,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:17,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:15:17,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:17,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:17,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 22:15:17,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:17,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:17,481 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 22:15:17,482 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [883424441] [2020-10-12 22:15:17,482 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:15:17,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 22:15:17,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890850262] [2020-10-12 22:15:17,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 22:15:17,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:15:17,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 22:15:17,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-12 22:15:17,486 INFO L87 Difference]: Start difference. First operand 1197 states and 1639 transitions. Second operand 10 states. [2020-10-12 22:15:17,773 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 22:15:18,816 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-12 22:15:20,426 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 22:15:23,825 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-10-12 22:15:33,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:15:33,441 INFO L93 Difference]: Finished difference Result 2610 states and 3627 transitions. [2020-10-12 22:15:33,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 22:15:33,442 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2020-10-12 22:15:33,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:15:33,461 INFO L225 Difference]: With dead ends: 2610 [2020-10-12 22:15:33,461 INFO L226 Difference]: Without dead ends: 1428 [2020-10-12 22:15:33,467 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-10-12 22:15:33,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2020-10-12 22:15:33,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1198. [2020-10-12 22:15:33,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1198 states. [2020-10-12 22:15:33,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 1639 transitions. [2020-10-12 22:15:33,679 INFO L78 Accepts]: Start accepts. Automaton has 1198 states and 1639 transitions. Word has length 104 [2020-10-12 22:15:33,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:15:33,681 INFO L479 AbstractCegarLoop]: Abstraction has 1198 states and 1639 transitions. [2020-10-12 22:15:33,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 22:15:33,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1639 transitions. [2020-10-12 22:15:33,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-12 22:15:33,687 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:15:33,687 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 22:15:33,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 22:15:33,687 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:15:33,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:15:33,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1726903996, now seen corresponding path program 1 times [2020-10-12 22:15:33,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:15:33,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [401512349] [2020-10-12 22:15:33,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:15:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:33,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:33,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:34,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:37,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:38,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:38,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-12 22:15:38,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 22:15:38,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-12 22:15:38,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:38,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 22:15:38,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-12 22:15:38,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-12 22:15:38,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:39,100 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 22:15:39,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:15:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:39,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:39,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:39,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:15:39,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:39,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-12 22:15:39,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:39,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:39,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:39,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:39,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:39,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:15:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:39,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:39,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:39,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 22:15:39,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:39,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 22:15:39,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:39,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:39,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:39,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:39,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:39,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:15:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:39,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:39,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:39,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:15:39,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:39,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:15:39,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:39,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:39,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:39,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:39,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:15:39,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 22:15:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:39,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:39,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:39,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:15:39,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:39,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:15:39,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:39,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:39,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:39,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:39,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:39,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 22:15:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:39,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:39,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:39,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:15:39,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:39,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 22:15:39,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:39,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:39,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:39,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:39,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:39,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 22:15:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:39,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:39,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:39,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 22:15:39,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:39,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 22:15:39,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:39,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:39,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:39,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:39,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:39,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 22:15:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:39,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:39,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:39,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 22:15:39,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:39,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 22:15:39,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:39,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:39,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:39,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:39,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:39,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:15:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:39,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:39,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:39,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 22:15:39,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:39,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 22:15:39,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:39,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:39,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:39,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:39,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:39,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:15:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:39,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:39,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:39,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 22:15:39,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:39,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:15:39,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:39,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:39,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:39,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:39,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:39,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:15:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:39,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:39,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:39,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:15:39,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:39,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:15:39,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:39,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:39,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:39,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:39,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:39,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 22:15:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:39,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:39,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:39,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:15:39,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:39,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:15:39,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:39,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:39,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:39,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:39,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:39,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 22:15:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:39,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:39,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:39,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 22:15:39,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:39,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-12 22:15:39,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:39,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 22:15:39,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:39,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 22:15:39,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:39,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:15:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:39,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:39,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:39,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:15:39,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:39,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:15:39,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:39,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:39,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:39,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:39,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:39,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 22:15:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:39,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:39,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:39,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:15:39,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:39,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 22:15:39,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:39,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:39,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:39,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:39,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:39,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 22:15:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:39,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:39,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:39,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:15:39,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:39,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:15:39,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:39,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:15:39,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:39,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:15:39,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:39,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 22:15:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:15:39,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:15:39,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:15:39,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:15:39,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:15:39,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:15:39,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:15:39,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:15:39,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:15:39,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 22:15:39,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:15:39,533 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 22:15:39,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [401512349] [2020-10-12 22:15:39,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:15:39,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-12 22:15:39,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304681374] [2020-10-12 22:15:39,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 22:15:39,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:15:39,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 22:15:39,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-12 22:15:39,537 INFO L87 Difference]: Start difference. First operand 1198 states and 1639 transitions. Second operand 12 states. [2020-10-12 22:15:39,782 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 22:15:47,841 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-12 22:15:48,498 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-12 22:15:48,900 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-12 22:15:49,305 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-12 22:15:49,687 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-12 22:15:50,451 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-12 22:15:51,297 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-12 22:16:03,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:16:03,401 INFO L93 Difference]: Finished difference Result 1465 states and 2045 transitions. [2020-10-12 22:16:03,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 22:16:03,401 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 104 [2020-10-12 22:16:03,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:16:03,414 INFO L225 Difference]: With dead ends: 1465 [2020-10-12 22:16:03,415 INFO L226 Difference]: Without dead ends: 1462 [2020-10-12 22:16:03,416 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2020-10-12 22:16:03,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1462 states. [2020-10-12 22:16:03,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1462 to 1200. [2020-10-12 22:16:03,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1200 states. [2020-10-12 22:16:03,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 1200 states and 1642 transitions. [2020-10-12 22:16:03,590 INFO L78 Accepts]: Start accepts. Automaton has 1200 states and 1642 transitions. Word has length 104 [2020-10-12 22:16:03,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:16:03,591 INFO L479 AbstractCegarLoop]: Abstraction has 1200 states and 1642 transitions. [2020-10-12 22:16:03,591 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 22:16:03,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1642 transitions. [2020-10-12 22:16:03,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-12 22:16:03,597 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:16:03,597 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] [2020-10-12 22:16:03,598 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 22:16:03,598 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:16:03,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:16:03,598 INFO L82 PathProgramCache]: Analyzing trace with hash -358292208, now seen corresponding path program 1 times [2020-10-12 22:16:03,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:16:03,599 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1388083234] [2020-10-12 22:16:03,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:16:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:03,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:03,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:03,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:04,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:07,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:08,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:08,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-12 22:16:08,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 22:16:08,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5116 [2020-10-12 22:16:08,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:08,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 22:16:08,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 22:16:08,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-12 22:16:08,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:16:09,194 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 22:16:09,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:16:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:09,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:09,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:09,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:16:09,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:09,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-12 22:16:09,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:09,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:16:09,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:09,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 22:16:09,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:09,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:16:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:09,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:09,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:09,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 22:16:09,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:09,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 22:16:09,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:09,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:16:09,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:09,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 22:16:09,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:09,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:16:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:09,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:09,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:09,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:16:09,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:09,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:16:09,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:09,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:09,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:09,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:09,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:09,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 22:16:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:09,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:09,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:09,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:16:09,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:09,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:16:09,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:09,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:16:09,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:09,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 22:16:09,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:09,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 22:16:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:09,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:09,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:09,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:16:09,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:09,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:16:09,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:09,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:16:09,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:09,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 22:16:09,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:09,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 22:16:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:09,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:09,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:09,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 22:16:09,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:09,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-12 22:16:09,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:09,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 22:16:09,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 22:16:09,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 22:16:09,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:09,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 22:16:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:09,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:09,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:09,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 22:16:09,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:09,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 22:16:09,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:09,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:16:09,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:09,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 22:16:09,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:09,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:16:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:09,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:09,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:09,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 22:16:09,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:09,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 22:16:09,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:09,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:09,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:09,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:09,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:09,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:16:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:09,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:09,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:09,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 22:16:09,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:09,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 22:16:09,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:09,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:09,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:09,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:09,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:09,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:16:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:09,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:09,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:09,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:16:09,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:09,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 22:16:09,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:09,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:09,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:09,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:09,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:09,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 22:16:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:09,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:09,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:09,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:16:09,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:09,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 22:16:09,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:09,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:16:09,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:09,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 22:16:09,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:09,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 22:16:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:09,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:09,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:09,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:10,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:10,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-12 22:16:10,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 22:16:10,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 746 [2020-10-12 22:16:10,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:10,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 22:16:10,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-12 22:16:10,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 22:16:10,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:10,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:16:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:10,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:10,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:10,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:16:10,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:10,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:16:10,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:10,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:10,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:10,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:10,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:10,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 22:16:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:10,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:10,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:10,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:16:10,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:10,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:16:10,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:10,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:10,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:10,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:10,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:10,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 22:16:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:10,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:10,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:10,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:16:10,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:10,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:16:10,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:10,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:10,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:10,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:10,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:10,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 22:16:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:10,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:10,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:10,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:16:10,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:10,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 22:16:10,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:10,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:10,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:10,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:10,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:10,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 22:16:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:10,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:10,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:10,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:16:10,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:10,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 22:16:10,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:10,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 22:16:10,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:10,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 22:16:10,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:10,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 22:16:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:10,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:10,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:10,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:16:10,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:10,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:16:10,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:10,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:10,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 22:16:10,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:10,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:10,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 22:16:10,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:10,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:10,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:10,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:10,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 22:16:10,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 22:16:10,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 22:16:10,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:10,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:16:10,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 22:16:10,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 22:16:10,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:10,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 22:16:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:10,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:10,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:10,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:16:10,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:10,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:16:10,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:10,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:10,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 22:16:10,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:10,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:10,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 22:16:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:10,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:10,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:10,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:16:10,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:10,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:16:10,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:10,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:10,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 22:16:10,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:10,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:10,802 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 22:16:10,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1388083234] [2020-10-12 22:16:10,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:16:10,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 22:16:10,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638634347] [2020-10-12 22:16:10,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 22:16:10,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:16:10,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 22:16:10,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-10-12 22:16:10,806 INFO L87 Difference]: Start difference. First operand 1200 states and 1642 transitions. Second operand 13 states. [2020-10-12 22:16:11,050 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 22:16:11,611 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-12 22:16:13,325 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 22:16:24,322 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-10-12 22:16:32,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:16:32,643 INFO L93 Difference]: Finished difference Result 2603 states and 3630 transitions. [2020-10-12 22:16:32,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 22:16:32,644 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 138 [2020-10-12 22:16:32,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:16:32,654 INFO L225 Difference]: With dead ends: 2603 [2020-10-12 22:16:32,654 INFO L226 Difference]: Without dead ends: 1439 [2020-10-12 22:16:32,659 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=108, Invalid=354, Unknown=0, NotChecked=0, Total=462 [2020-10-12 22:16:32,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1439 states. [2020-10-12 22:16:32,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1439 to 1204. [2020-10-12 22:16:32,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1204 states. [2020-10-12 22:16:32,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 1643 transitions. [2020-10-12 22:16:32,834 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 1643 transitions. Word has length 138 [2020-10-12 22:16:32,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:16:32,837 INFO L479 AbstractCegarLoop]: Abstraction has 1204 states and 1643 transitions. [2020-10-12 22:16:32,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 22:16:32,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1643 transitions. [2020-10-12 22:16:32,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-12 22:16:32,848 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:16:32,849 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] [2020-10-12 22:16:32,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 22:16:32,849 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:16:32,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:16:32,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1438647124, now seen corresponding path program 1 times [2020-10-12 22:16:32,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:16:32,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1417105762] [2020-10-12 22:16:32,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:16:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:32,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:33,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:33,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:33,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:33,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:33,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:33,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:35,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:36,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:37,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:37,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-12 22:16:37,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 22:16:37,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5060 [2020-10-12 22:16:37,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:37,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 22:16:37,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-12 22:16:37,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-12 22:16:37,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:38,564 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 22:16:38,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:16:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:38,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:38,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:38,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:16:38,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:38,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-12 22:16:38,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:38,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:38,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:38,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:38,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:16:38,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:16:38,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:38,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:38,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:38,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 22:16:38,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:38,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 22:16:38,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:38,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:38,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:38,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:38,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:38,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:16:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:38,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:38,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:38,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:16:38,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:38,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:16:38,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:38,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:38,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:38,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:38,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:16:38,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 22:16:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:38,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:38,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:38,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:16:38,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:38,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:16:38,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:38,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:38,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:38,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:38,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:16:38,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 22:16:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:38,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:38,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:38,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:16:38,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:38,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:16:38,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:38,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:38,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:38,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:38,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:16:38,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 22:16:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:38,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:38,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:38,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 22:16:39,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:39,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-10-12 22:16:39,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:39,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 22:16:39,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:39,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-12 22:16:39,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:16:39,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 22:16:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:39,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:39,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:39,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 22:16:39,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:39,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-12 22:16:39,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:39,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 22:16:39,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:39,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-12 22:16:39,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:16:39,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:16:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:39,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:39,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:39,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 22:16:39,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:39,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-12 22:16:39,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:39,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 22:16:39,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:39,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 22:16:39,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:39,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:16:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:39,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:39,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:39,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 22:16:39,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:39,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 22:16:39,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:39,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 22:16:39,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:39,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 22:16:39,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:39,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:16:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:39,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:39,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:39,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:16:39,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:39,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 22:16:39,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:39,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 22:16:39,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:39,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 22:16:39,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:16:39,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 22:16:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:39,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:39,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:39,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:16:39,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:39,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:16:39,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:39,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:16:39,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:39,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 22:16:39,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:39,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 22:16:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:39,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:39,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:39,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:39,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:40,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:41,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:41,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-12 22:16:41,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 22:16:41,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1897 [2020-10-12 22:16:41,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:41,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 22:16:41,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 22:16:41,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 22:16:41,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:16:41,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:16:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:41,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:41,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:41,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:16:41,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:41,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 22:16:41,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:41,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:41,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:41,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:41,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:16:41,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 22:16:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:41,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:41,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:41,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:16:41,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:41,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:16:41,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:41,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:41,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:41,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:41,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:16:41,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 22:16:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:41,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:41,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:41,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:16:41,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:41,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 22:16:41,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:41,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 22:16:41,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:41,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 22:16:41,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:41,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 22:16:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:41,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:41,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:41,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:16:41,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:41,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 22:16:41,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:41,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:16:41,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:41,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 22:16:41,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:16:41,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 22:16:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:41,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:41,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:41,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:41,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:42,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:42,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-12 22:16:42,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 22:16:42,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 330 [2020-10-12 22:16:42,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:42,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 22:16:42,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 22:16:42,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 22:16:42,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:42,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:16:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:42,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:42,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:42,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:16:42,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:42,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:16:42,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:42,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:16:42,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:42,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 22:16:42,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:16:42,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 22:16:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:42,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:42,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:42,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:16:42,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:42,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:16:42,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:42,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:16:42,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:42,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 22:16:42,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:42,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 22:16:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:42,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:42,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:42,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:16:42,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:42,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:16:42,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:42,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:16:42,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:42,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 22:16:42,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:42,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 22:16:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:42,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:42,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:42,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:16:42,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:42,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 22:16:42,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:42,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:16:42,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:42,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 22:16:42,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:42,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 22:16:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:42,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:42,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:42,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:16:42,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:42,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:16:42,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:42,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:16:42,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:16:42,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 22:16:42,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:42,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 22:16:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:42,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:42,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:42,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:16:42,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:42,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:16:42,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:42,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:42,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 22:16:42,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:42,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:42,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 22:16:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:42,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:42,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:42,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 22:16:42,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:42,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:16:42,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:42,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:42,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 22:16:42,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:42,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:42,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 22:16:42,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:42,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:42,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:42,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:16:42,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:42,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:16:42,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:42,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:42,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 22:16:42,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:42,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:42,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 22:16:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:16:42,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:16:42,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:16:42,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:16:42,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:16:42,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:16:42,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:16:42,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:16:42,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 22:16:42,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:16:42,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:16:42,354 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 22:16:42,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1417105762] [2020-10-12 22:16:42,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:16:42,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-10-12 22:16:42,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968249128] [2020-10-12 22:16:42,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 22:16:42,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:16:42,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 22:16:42,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2020-10-12 22:16:42,357 INFO L87 Difference]: Start difference. First operand 1204 states and 1643 transitions. Second operand 20 states. [2020-10-12 22:16:42,630 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 22:16:43,690 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-12 22:16:44,116 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-12 22:16:44,904 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-12 22:16:45,269 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-12 22:16:45,641 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-12 22:16:45,989 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-12 22:16:46,333 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-12 22:16:46,667 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-12 22:16:47,034 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-12 22:16:49,083 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 22:16:59,258 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-12 22:17:02,751 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-12 22:17:03,292 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 22:17:09,297 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-12 22:17:11,399 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-12 22:17:24,346 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-12 22:17:24,702 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-12 22:17:25,073 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-12 22:17:25,405 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-12 22:17:38,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:17:38,718 INFO L93 Difference]: Finished difference Result 3794 states and 5275 transitions. [2020-10-12 22:17:38,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-12 22:17:38,719 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 170 [2020-10-12 22:17:38,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:17:38,729 INFO L225 Difference]: With dead ends: 3794 [2020-10-12 22:17:38,729 INFO L226 Difference]: Without dead ends: 1474 [2020-10-12 22:17:38,738 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=312, Invalid=1410, Unknown=0, NotChecked=0, Total=1722 [2020-10-12 22:17:38,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2020-10-12 22:17:38,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 1239. [2020-10-12 22:17:38,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1239 states. [2020-10-12 22:17:38,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 1239 states and 1677 transitions. [2020-10-12 22:17:38,981 INFO L78 Accepts]: Start accepts. Automaton has 1239 states and 1677 transitions. Word has length 170 [2020-10-12 22:17:38,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:17:38,981 INFO L479 AbstractCegarLoop]: Abstraction has 1239 states and 1677 transitions. [2020-10-12 22:17:38,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-12 22:17:38,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1677 transitions. [2020-10-12 22:17:38,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-12 22:17:38,988 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:17:38,989 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 22:17:38,991 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 22:17:38,991 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:17:38,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:17:38,991 INFO L82 PathProgramCache]: Analyzing trace with hash 2145775977, now seen corresponding path program 1 times [2020-10-12 22:17:38,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:17:38,997 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [744573503] [2020-10-12 22:17:38,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:17:39,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:39,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:39,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:39,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:39,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:39,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:40,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:40,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:41,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:44,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:44,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-10-12 22:17:44,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 22:17:44,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 22:17:44,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:44,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 22:17:44,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 22:17:44,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-10-12 22:17:44,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:44,497 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-12 22:17:44,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:17:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:44,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:44,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:44,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:17:44,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:44,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-12 22:17:44,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:44,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:17:44,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:44,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 22:17:44,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:17:44,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:17:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:44,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:44,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:44,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 22:17:44,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:44,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 22:17:44,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:44,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:17:44,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:44,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 22:17:44,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:17:44,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:17:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:44,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:44,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:44,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:17:44,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:44,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:17:44,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:44,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:44,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:44,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:44,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:17:44,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 22:17:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:44,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:44,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:44,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:17:44,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:44,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 22:17:44,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:44,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:17:44,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:44,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 22:17:44,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:17:44,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 22:17:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:44,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:44,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:44,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:17:44,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:44,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 22:17:44,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:44,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:17:44,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:44,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 22:17:44,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:17:44,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 22:17:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:44,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:44,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:44,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-12 22:17:44,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:44,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-12 22:17:44,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:44,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 22:17:44,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 22:17:44,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-12 22:17:44,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:17:45,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 22:17:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:45,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:45,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:45,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-12 22:17:45,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:45,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-12 22:17:45,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:45,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:17:45,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:45,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 22:17:45,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:17:45,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:17:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:45,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:45,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:45,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-12 22:17:45,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:45,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 22:17:45,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:45,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:45,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:45,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:45,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:17:45,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:17:45,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:45,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:45,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:45,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 22:17:45,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:45,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 22:17:45,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:45,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:45,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:45,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:45,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:17:45,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:17:45,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:45,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:45,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:45,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 22:17:45,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:45,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 22:17:45,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:45,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:45,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:45,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:45,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:17:45,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 22:17:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:45,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:45,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:45,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:17:45,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:45,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:17:45,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:45,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:45,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:45,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:45,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:17:45,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-12 22:17:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:45,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:45,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:45,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:17:45,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:45,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:17:45,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:45,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:45,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:45,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:45,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:17:45,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 22:17:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:45,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:45,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:45,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:17:45,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:45,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:17:45,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:45,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:17:45,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:45,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 22:17:45,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:17:45,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 22:17:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:45,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:45,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:45,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:45,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:46,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:47,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:47,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-12 22:17:47,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 22:17:47,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2343 [2020-10-12 22:17:47,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:47,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 22:17:47,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 22:17:47,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-12 22:17:47,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:47,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:17:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:47,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:47,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:47,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:17:47,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:47,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:17:47,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:47,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:47,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:47,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:47,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:47,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-12 22:17:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:47,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:47,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:47,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:17:47,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:47,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 22:17:47,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:47,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:47,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:47,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:47,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:47,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 22:17:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:47,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:47,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:47,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 22:17:47,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:47,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 22:17:47,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:47,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 22:17:47,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:47,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 22:17:47,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:17:47,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 22:17:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:47,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:47,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:47,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:17:47,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:47,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:17:47,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:47,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:17:47,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:47,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 22:17:47,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:47,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 22:17:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:47,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:47,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:47,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:47,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:48,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:48,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-12 22:17:48,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 22:17:48,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 275 [2020-10-12 22:17:48,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:48,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 22:17:48,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 22:17:48,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 22:17:48,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:48,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:17:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:48,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:48,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:48,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:17:48,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:48,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:17:48,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:48,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:17:48,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:48,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 22:17:48,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:48,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 22:17:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:48,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:48,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:48,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:17:48,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:48,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:17:48,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:48,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:17:48,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:48,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 22:17:48,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:48,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 22:17:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:48,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:48,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:48,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:17:48,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:48,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 22:17:48,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:48,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:17:48,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:48,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 22:17:48,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:48,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 22:17:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:48,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:48,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:48,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:17:48,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:48,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 22:17:48,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:48,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:17:48,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:48,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 22:17:48,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:48,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 22:17:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:48,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:48,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:48,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:17:48,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:48,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 22:17:48,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:48,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:17:48,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:17:48,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 22:17:48,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:48,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 22:17:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:48,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:48,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:48,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:17:48,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:48,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:17:48,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:48,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:48,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 22:17:48,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:48,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:48,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 22:17:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:48,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:48,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:48,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 22:17:48,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:48,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:17:48,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:48,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:48,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 22:17:48,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:48,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:48,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 22:17:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:48,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:48,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:48,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:17:48,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:48,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:17:48,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:48,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:48,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 22:17:48,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:48,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:48,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 22:17:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:17:48,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:17:48,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:17:48,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:17:48,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:17:48,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:17:48,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:17:48,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:17:48,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 22:17:48,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:17:48,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:17:48,344 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-12 22:17:48,344 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [744573503] [2020-10-12 22:17:48,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:17:48,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-12 22:17:48,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042720399] [2020-10-12 22:17:48,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 22:17:48,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:17:48,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 22:17:48,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-12 22:17:48,346 INFO L87 Difference]: Start difference. First operand 1239 states and 1677 transitions. Second operand 12 states. [2020-10-12 22:17:48,636 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-12 22:17:49,884 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-12 22:17:50,918 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-12 22:17:53,253 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-12 22:18:09,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:18:09,793 INFO L93 Difference]: Finished difference Result 2659 states and 3679 transitions. [2020-10-12 22:18:09,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 22:18:09,794 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 183 [2020-10-12 22:18:09,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:18:09,803 INFO L225 Difference]: With dead ends: 2659 [2020-10-12 22:18:09,803 INFO L226 Difference]: Without dead ends: 1490 [2020-10-12 22:18:09,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-12 22:18:09,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2020-10-12 22:18:09,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 1243. [2020-10-12 22:18:09,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1243 states. [2020-10-12 22:18:10,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 1682 transitions. [2020-10-12 22:18:10,001 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 1682 transitions. Word has length 183 [2020-10-12 22:18:10,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:18:10,003 INFO L479 AbstractCegarLoop]: Abstraction has 1243 states and 1682 transitions. [2020-10-12 22:18:10,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 22:18:10,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1682 transitions. [2020-10-12 22:18:10,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-12 22:18:10,011 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:18:10,011 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 22:18:10,012 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 22:18:10,012 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:18:10,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:18:10,012 INFO L82 PathProgramCache]: Analyzing trace with hash 368740648, now seen corresponding path program 1 times [2020-10-12 22:18:10,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:18:10,013 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [366759571] [2020-10-12 22:18:10,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY