/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 05:59:31,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 05:59:31,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 05:59:31,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 05:59:31,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 05:59:31,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 05:59:31,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 05:59:31,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 05:59:31,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 05:59:31,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 05:59:31,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 05:59:31,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 05:59:31,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 05:59:31,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 05:59:31,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 05:59:31,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 05:59:31,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 05:59:32,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 05:59:32,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 05:59:32,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 05:59:32,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 05:59:32,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 05:59:32,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 05:59:32,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 05:59:32,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 05:59:32,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 05:59:32,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 05:59:32,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 05:59:32,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 05:59:32,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 05:59:32,024 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 05:59:32,025 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 05:59:32,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 05:59:32,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 05:59:32,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 05:59:32,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 05:59:32,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 05:59:32,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 05:59:32,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 05:59:32,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 05:59:32,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 05:59:32,031 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 [2020-10-15 05:59:32,053 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 05:59:32,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 05:59:32,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 05:59:32,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 05:59:32,055 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 05:59:32,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 05:59:32,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 05:59:32,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 05:59:32,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 05:59:32,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 05:59:32,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 05:59:32,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 05:59:32,056 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 05:59:32,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 05:59:32,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 05:59:32,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 05:59:32,057 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 05:59:32,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 05:59:32,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 05:59:32,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 05:59:32,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 05:59:32,058 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 05:59:32,058 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 05:59:32,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 05:59:32,059 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 05:59:32,059 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 05:59:32,059 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 05:59:32,059 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 05:59:32,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 05:59:32,359 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 05:59:32,363 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 05:59:32,364 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 05:59:32,365 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 05:59:32,365 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i [2020-10-15 05:59:32,421 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d0929e6f6/9639b8a21e094caab8b644b8364f4703/FLAG2ed5aad65 [2020-10-15 05:59:33,187 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 05:59:33,189 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i [2020-10-15 05:59:33,227 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d0929e6f6/9639b8a21e094caab8b644b8364f4703/FLAG2ed5aad65 [2020-10-15 05:59:33,256 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d0929e6f6/9639b8a21e094caab8b644b8364f4703 [2020-10-15 05:59:33,265 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 05:59:33,266 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 05:59:33,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 05:59:33,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 05:59:33,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 05:59:33,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:59:33" (1/1) ... [2020-10-15 05:59:33,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d649a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:59:33, skipping insertion in model container [2020-10-15 05:59:33,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 05:59:33" (1/1) ... [2020-10-15 05:59:33,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 05:59:33,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 05:59:35,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 05:59:35,199 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 05:59:35,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 05:59:35,731 INFO L208 MainTranslator]: Completed translation [2020-10-15 05:59:35,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:59:35 WrapperNode [2020-10-15 05:59:35,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 05:59:35,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 05:59:35,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 05:59:35,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 05:59:35,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:59:35" (1/1) ... [2020-10-15 05:59:35,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:59:35" (1/1) ... [2020-10-15 05:59:35,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:59:35" (1/1) ... [2020-10-15 05:59:35,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:59:35" (1/1) ... [2020-10-15 05:59:35,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:59:35" (1/1) ... [2020-10-15 05:59:35,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:59:35" (1/1) ... [2020-10-15 05:59:35,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:59:35" (1/1) ... [2020-10-15 05:59:36,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 05:59:36,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 05:59:36,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 05:59:36,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 05:59:36,030 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:59:35" (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 [2020-10-15 05:59:36,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 05:59:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 05:59:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2020-10-15 05:59:36,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-15 05:59:36,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive_int [2020-10-15 05:59:36,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-15 05:59:36,136 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-15 05:59:36,137 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-15 05:59:36,138 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-15 05:59:36,140 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-15 05:59:36,140 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-15 05:59:36,141 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-15 05:59:36,141 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-15 05:59:36,141 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-15 05:59:36,141 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2020-10-15 05:59:36,142 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-15 05:59:36,142 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2020-10-15 05:59:36,148 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-15 05:59:36,148 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-15 05:59:36,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-15 05:59:36,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-15 05:59:36,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-15 05:59:36,149 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-15 05:59:36,149 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-15 05:59:36,149 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-10-15 05:59:36,150 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2020-10-15 05:59:36,150 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2020-10-15 05:59:36,151 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-15 05:59:36,151 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice [2020-10-15 05:59:36,151 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2020-10-15 05:59:36,151 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2020-10-15 05:59:36,151 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2020-10-15 05:59:36,152 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2020-10-15 05:59:36,152 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2020-10-15 05:59:36,152 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2020-10-15 05:59:36,152 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2020-10-15 05:59:36,152 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2020-10-15 05:59:36,152 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2020-10-15 05:59:36,153 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_alloc_bufs [2020-10-15 05:59:36,153 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2020-10-15 05:59:36,153 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_realloc_bufs [2020-10-15 05:59:36,153 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_lock [2020-10-15 05:59:36,153 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2020-10-15 05:59:36,153 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2020-10-15 05:59:36,154 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_encaps [2020-10-15 05:59:36,154 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_write_wakeup [2020-10-15 05:59:36,154 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_tx_timeout [2020-10-15 05:59:36,154 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_xmit [2020-10-15 05:59:36,154 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_close [2020-10-15 05:59:36,155 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_open [2020-10-15 05:59:36,155 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_change_mtu [2020-10-15 05:59:36,155 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_get_stats64 [2020-10-15 05:59:36,155 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_init [2020-10-15 05:59:36,156 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_uninit [2020-10-15 05:59:36,156 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_netdev [2020-10-15 05:59:36,156 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_setup [2020-10-15 05:59:36,156 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_receive_buf [2020-10-15 05:59:36,157 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_sync [2020-10-15 05:59:36,157 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_alloc [2020-10-15 05:59:36,157 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_open [2020-10-15 05:59:36,157 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2020-10-15 05:59:36,157 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_hangup [2020-10-15 05:59:36,157 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_esc [2020-10-15 05:59:36,157 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_unesc [2020-10-15 05:59:36,158 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_esc6 [2020-10-15 05:59:36,158 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_unesc6 [2020-10-15 05:59:36,158 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2020-10-15 05:59:36,158 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_compat_ioctl [2020-10-15 05:59:36,159 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2020-10-15 05:59:36,159 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_init [2020-10-15 05:59:36,159 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_exit [2020-10-15 05:59:36,160 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_outfill [2020-10-15 05:59:36,160 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_keepalive [2020-10-15 05:59:36,161 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 05:59:36,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sl_alloc_bufs_1 [2020-10-15 05:59:36,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdevice_2 [2020-10-15 05:59:36,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_slip_open_3 [2020-10-15 05:59:36,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-15 05:59:36,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_callback_ret_val [2020-10-15 05:59:36,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2020-10-15 05:59:36,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-15 05:59:36,162 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-15 05:59:36,163 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-15 05:59:36,163 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2020-10-15 05:59:36,163 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-15 05:59:36,163 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2020-10-15 05:59:36,164 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2020-10-15 05:59:36,164 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2020-10-15 05:59:36,164 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-10-15 05:59:36,164 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2020-10-15 05:59:36,164 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2020-10-15 05:59:36,165 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2020-10-15 05:59:36,165 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2020-10-15 05:59:36,165 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2020-10-15 05:59:36,165 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2020-10-15 05:59:36,165 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-10-15 05:59:36,165 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2020-10-15 05:59:36,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-15 05:59:36,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-15 05:59:36,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-10-15 05:59:36,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-15 05:59:36,166 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-15 05:59:36,167 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2020-10-15 05:59:36,167 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2020-10-15 05:59:36,167 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2020-10-15 05:59:36,167 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2020-10-15 05:59:36,168 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-15 05:59:36,168 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice [2020-10-15 05:59:36,168 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2020-10-15 05:59:36,168 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2020-10-15 05:59:36,169 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-15 05:59:36,169 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_compress [2020-10-15 05:59:36,169 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2020-10-15 05:59:36,169 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_init [2020-10-15 05:59:36,169 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_remember [2020-10-15 05:59:36,170 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_uncompress [2020-10-15 05:59:36,171 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_chars_in_buffer [2020-10-15 05:59:36,171 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2020-10-15 05:59:36,171 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2020-10-15 05:59:36,172 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_mode_ioctl [2020-10-15 05:59:36,172 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2020-10-15 05:59:36,172 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2020-10-15 05:59:36,173 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-10-15 05:59:36,173 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_queue [2020-10-15 05:59:36,173 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-15 05:59:36,174 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-15 05:59:36,175 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-15 05:59:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 05:59:36,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-15 05:59:36,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-15 05:59:36,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 05:59:36,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive_int [2020-10-15 05:59:36,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_callback_ret_val [2020-10-15 05:59:36,182 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-15 05:59:36,183 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-15 05:59:36,183 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-15 05:59:36,184 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-15 05:59:36,184 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-15 05:59:36,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 05:59:36,185 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-15 05:59:36,185 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-15 05:59:36,185 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-15 05:59:36,185 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-15 05:59:36,185 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-15 05:59:36,186 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-15 05:59:36,195 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2020-10-15 05:59:36,195 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-15 05:59:36,196 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-15 05:59:36,196 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-15 05:59:36,197 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2020-10-15 05:59:36,197 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-15 05:59:36,197 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2020-10-15 05:59:36,198 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-15 05:59:36,198 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-15 05:59:36,198 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2020-10-15 05:59:36,198 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-15 05:59:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2020-10-15 05:59:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2020-10-15 05:59:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2020-10-15 05:59:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2020-10-15 05:59:36,199 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2020-10-15 05:59:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2020-10-15 05:59:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2020-10-15 05:59:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-15 05:59:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-15 05:59:36,200 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-10-15 05:59:36,201 INFO L130 BoogieDeclarations]: Found specification of procedure tty_chars_in_buffer [2020-10-15 05:59:36,201 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2020-10-15 05:59:36,201 INFO L130 BoogieDeclarations]: Found specification of procedure tty_mode_ioctl [2020-10-15 05:59:36,201 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2020-10-15 05:59:36,202 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2020-10-15 05:59:36,202 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2020-10-15 05:59:36,202 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-15 05:59:36,202 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 05:59:36,202 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-15 05:59:36,203 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 05:59:36,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-15 05:59:36,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-15 05:59:36,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 05:59:36,203 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-15 05:59:36,204 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-15 05:59:36,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-15 05:59:36,205 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-15 05:59:36,205 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2020-10-15 05:59:36,205 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-15 05:59:36,205 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-10-15 05:59:36,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 05:59:36,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 05:59:36,206 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2020-10-15 05:59:36,206 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2020-10-15 05:59:36,206 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2020-10-15 05:59:36,206 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-15 05:59:36,206 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2020-10-15 05:59:36,206 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice [2020-10-15 05:59:36,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdevice_2 [2020-10-15 05:59:36,207 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_queue [2020-10-15 05:59:36,207 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice [2020-10-15 05:59:36,207 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-10-15 05:59:36,207 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2020-10-15 05:59:36,207 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2020-10-15 05:59:36,207 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2020-10-15 05:59:36,208 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2020-10-15 05:59:36,208 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2020-10-15 05:59:36,208 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2020-10-15 05:59:36,208 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2020-10-15 05:59:36,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 05:59:36,208 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2020-10-15 05:59:36,209 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2020-10-15 05:59:36,209 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2020-10-15 05:59:36,209 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2020-10-15 05:59:36,209 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2020-10-15 05:59:36,209 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2020-10-15 05:59:36,209 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2020-10-15 05:59:36,210 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-10-15 05:59:36,210 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2020-10-15 05:59:36,210 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2020-10-15 05:59:36,210 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2020-10-15 05:59:36,210 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2020-10-15 05:59:36,210 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_compress [2020-10-15 05:59:36,210 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_uncompress [2020-10-15 05:59:36,211 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_remember [2020-10-15 05:59:36,211 INFO L130 BoogieDeclarations]: Found specification of procedure slip_esc [2020-10-15 05:59:36,211 INFO L130 BoogieDeclarations]: Found specification of procedure slip_unesc [2020-10-15 05:59:36,211 INFO L130 BoogieDeclarations]: Found specification of procedure slip_esc6 [2020-10-15 05:59:36,211 INFO L130 BoogieDeclarations]: Found specification of procedure slip_unesc6 [2020-10-15 05:59:36,211 INFO L130 BoogieDeclarations]: Found specification of procedure sl_keepalive [2020-10-15 05:59:36,212 INFO L130 BoogieDeclarations]: Found specification of procedure sl_outfill [2020-10-15 05:59:36,212 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2020-10-15 05:59:36,212 INFO L130 BoogieDeclarations]: Found specification of procedure sl_alloc_bufs [2020-10-15 05:59:36,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sl_alloc_bufs_1 [2020-10-15 05:59:36,212 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2020-10-15 05:59:36,212 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-15 05:59:36,213 INFO L130 BoogieDeclarations]: Found specification of procedure sl_realloc_bufs [2020-10-15 05:59:36,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-15 05:59:36,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 05:59:36,213 INFO L130 BoogieDeclarations]: Found specification of procedure sl_lock [2020-10-15 05:59:36,213 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2020-10-15 05:59:36,213 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2020-10-15 05:59:36,214 INFO L130 BoogieDeclarations]: Found specification of procedure sl_encaps [2020-10-15 05:59:36,214 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2020-10-15 05:59:36,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 05:59:36,214 INFO L130 BoogieDeclarations]: Found specification of procedure slip_write_wakeup [2020-10-15 05:59:36,214 INFO L130 BoogieDeclarations]: Found specification of procedure sl_tx_timeout [2020-10-15 05:59:36,214 INFO L130 BoogieDeclarations]: Found specification of procedure sl_xmit [2020-10-15 05:59:36,214 INFO L130 BoogieDeclarations]: Found specification of procedure sl_close [2020-10-15 05:59:36,215 INFO L130 BoogieDeclarations]: Found specification of procedure sl_open [2020-10-15 05:59:36,215 INFO L130 BoogieDeclarations]: Found specification of procedure sl_change_mtu [2020-10-15 05:59:36,215 INFO L130 BoogieDeclarations]: Found specification of procedure sl_get_stats64 [2020-10-15 05:59:36,215 INFO L130 BoogieDeclarations]: Found specification of procedure sl_init [2020-10-15 05:59:36,215 INFO L130 BoogieDeclarations]: Found specification of procedure sl_uninit [2020-10-15 05:59:36,215 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_netdev [2020-10-15 05:59:36,215 INFO L130 BoogieDeclarations]: Found specification of procedure sl_setup [2020-10-15 05:59:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure slip_receive_buf [2020-10-15 05:59:36,216 INFO L130 BoogieDeclarations]: Found specification of procedure sl_sync [2020-10-15 05:59:36,217 INFO L130 BoogieDeclarations]: Found specification of procedure sl_alloc [2020-10-15 05:59:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure slip_open [2020-10-15 05:59:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_slip_open_3 [2020-10-15 05:59:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2020-10-15 05:59:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure slip_hangup [2020-10-15 05:59:36,220 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2020-10-15 05:59:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure slip_compat_ioctl [2020-10-15 05:59:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure slip_init [2020-10-15 05:59:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure slip_exit [2020-10-15 05:59:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-15 05:59:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-15 05:59:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-15 05:59:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-10-15 05:59:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 05:59:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-15 05:59:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-15 05:59:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-15 05:59:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 05:59:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 05:59:36,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 05:59:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-15 05:59:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 05:59:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-15 05:59:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-15 05:59:36,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-15 05:59:36,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-15 05:59:37,301 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-15 05:59:39,903 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 05:59:39,903 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-15 05:59:39,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:59:39 BoogieIcfgContainer [2020-10-15 05:59:39,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 05:59:39,917 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 05:59:39,918 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 05:59:39,922 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 05:59:39,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 05:59:33" (1/3) ... [2020-10-15 05:59:39,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dcbec7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:59:39, skipping insertion in model container [2020-10-15 05:59:39,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 05:59:35" (2/3) ... [2020-10-15 05:59:39,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dcbec7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 05:59:39, skipping insertion in model container [2020-10-15 05:59:39,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 05:59:39" (3/3) ... [2020-10-15 05:59:39,925 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-net-slip-ko--108_1a--1b0b0ac.i [2020-10-15 05:59:39,936 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 05:59:39,946 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 05:59:39,962 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 05:59:39,992 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 05:59:39,992 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 05:59:39,992 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 05:59:39,992 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 05:59:39,992 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 05:59:39,992 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 05:59:39,993 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 05:59:39,993 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 05:59:40,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states. [2020-10-15 05:59:40,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-15 05:59:40,055 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 05:59:40,056 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] [2020-10-15 05:59:40,056 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 05:59:40,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 05:59:40,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1375221901, now seen corresponding path program 1 times [2020-10-15 05:59:40,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 05:59:40,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1940467695] [2020-10-15 05:59:40,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 05:59:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:59:40,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:59:40,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:59:42,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:59:45,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:59:45,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-15 05:59:45,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 05:59:45,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-15 05:59:45,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:59:45,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:59:45,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 05:59:45,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 05:59:45,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-15 05:59:45,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 05:59:45,822 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 05:59:45,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 05:59:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:59:45,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:59:46,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:59:46,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 05:59:46,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:59:46,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-10-15 05:59:46,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:59:46,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:59:46,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:59:46,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:59:46,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 05:59:46,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 05:59:46,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 05:59:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:59:46,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:59:46,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:59:46,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 05:59:46,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:59:46,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 05:59:46,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:59:46,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:59:46,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:59:46,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:59:46,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 05:59:46,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 05:59:46,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 05:59:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:59:46,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:59:46,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:59:46,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 05:59:46,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:59:46,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 05:59:46,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:59:46,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:59:46,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 05:59:46,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:59:46,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 05:59:46,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 05:59:46,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 05:59:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:59:46,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:59:46,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:59:46,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 05:59:46,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:59:46,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 05:59:46,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:59:46,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:59:46,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:59:46,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:59:46,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 05:59:46,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 05:59:46,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 05:59:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:59:46,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:59:46,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:59:46,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 05:59:46,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:59:46,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 05:59:46,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:59:46,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:59:46,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:59:46,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:59:46,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 05:59:46,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 05:59:46,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 05:59:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:59:46,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:59:46,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:59:46,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 05:59:46,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:59:46,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-15 05:59:46,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:59:46,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:59:46,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 05:59:46,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 05:59:46,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-15 05:59:46,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 05:59:46,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 05:59:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:59:46,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:59:46,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:59:46,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 05:59:46,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:59:46,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-15 05:59:46,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:59:46,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:59:46,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:59:46,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:59:46,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-15 05:59:46,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 05:59:46,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 05:59:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:59:46,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:59:46,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:59:46,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 05:59:46,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:59:46,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-15 05:59:46,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:59:46,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:59:46,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 05:59:46,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:59:46,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 05:59:46,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 05:59:46,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 05:59:46,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:59:46,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:59:46,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:59:46,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 05:59:46,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:59:46,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 05:59:46,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:59:46,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:59:46,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 05:59:46,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:59:46,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 05:59:46,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 05:59:46,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 05:59:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:59:46,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:59:46,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:59:46,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 05:59:46,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:59:46,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 05:59:46,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:59:46,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:59:46,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 05:59:46,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:59:46,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 05:59:46,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 05:59:46,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-15 05:59:46,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:59:46,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:59:46,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:59:46,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 05:59:46,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:59:46,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 05:59:46,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:59:46,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:59:46,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 05:59:46,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-15 05:59:46,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 05:59:46,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 05:59:46,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-15 05:59:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:59:46,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:59:46,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:59:46,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 05:59:46,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:59:46,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 05:59:46,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:59:46,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:59:46,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 05:59:46,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 05:59:46,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 05:59:46,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 05:59:46,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 05:59:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:59:46,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:59:46,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:59:46,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 05:59:46,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:59:46,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 05:59:46,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:59:46,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:59:46,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 05:59:46,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:59:46,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 05:59:46,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 05:59:46,749 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-15 05:59:46,750 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1940467695] [2020-10-15 05:59:46,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 05:59:46,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 05:59:46,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958122765] [2020-10-15 05:59:46,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 05:59:46,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 05:59:46,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 05:59:46,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-15 05:59:46,787 INFO L87 Difference]: Start difference. First operand 1243 states. Second operand 9 states. [2020-10-15 05:59:47,236 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-15 05:59:47,807 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-15 05:59:50,051 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 06:00:06,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:00:06,161 INFO L93 Difference]: Finished difference Result 2714 states and 3828 transitions. [2020-10-15 06:00:06,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 06:00:06,167 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-10-15 06:00:06,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:00:06,210 INFO L225 Difference]: With dead ends: 2714 [2020-10-15 06:00:06,210 INFO L226 Difference]: Without dead ends: 1419 [2020-10-15 06:00:06,225 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2020-10-15 06:00:06,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1419 states. [2020-10-15 06:00:06,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1419 to 1189. [2020-10-15 06:00:06,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1189 states. [2020-10-15 06:00:06,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 1189 states and 1630 transitions. [2020-10-15 06:00:06,508 INFO L78 Accepts]: Start accepts. Automaton has 1189 states and 1630 transitions. Word has length 88 [2020-10-15 06:00:06,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:00:06,508 INFO L479 AbstractCegarLoop]: Abstraction has 1189 states and 1630 transitions. [2020-10-15 06:00:06,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 06:00:06,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1630 transitions. [2020-10-15 06:00:06,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-15 06:00:06,515 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:00:06,516 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] [2020-10-15 06:00:06,516 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 06:00:06,516 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:00:06,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:00:06,517 INFO L82 PathProgramCache]: Analyzing trace with hash -1792618507, now seen corresponding path program 1 times [2020-10-15 06:00:06,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:00:06,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1442878978] [2020-10-15 06:00:06,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:00:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:06,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:07,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:09,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:09,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-15 06:00:09,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 06:00:09,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2485 [2020-10-15 06:00:09,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:09,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:09,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 06:00:09,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 111 [2020-10-15 06:00:09,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 06:00:09,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:00:09,455 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 06:00:09,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:00:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:09,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:09,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:09,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:00:09,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:00:09,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-15 06:00:09,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:09,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:09,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:00:09,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:00:09,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:00:09,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:00:09,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:00:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:09,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:09,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:09,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:00:09,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:00:09,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 06:00:09,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:09,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:09,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:00:09,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:00:09,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:00:09,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:00:09,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:00:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:09,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:09,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:09,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:00:09,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:00:09,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:00:09,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:09,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:09,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:00:09,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:00:09,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:00:09,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:00:09,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 06:00:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:09,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:09,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:09,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:00:09,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:00:09,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:00:09,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:09,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:09,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:00:09,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:00:09,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:00:09,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:00:09,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 06:00:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:09,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:09,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:09,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:00:09,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:00:09,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:00:09,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:09,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:09,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:00:09,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:00:09,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:00:09,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:00:09,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 06:00:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:09,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:09,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:09,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 06:00:09,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:00:09,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 06:00:09,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:09,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:09,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:00:09,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:00:09,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:00:09,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:00:09,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 06:00:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:09,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:09,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:09,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 06:00:09,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:00:09,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 06:00:09,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:09,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:09,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:00:09,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:00:09,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:00:09,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:00:09,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:00:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:09,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:09,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:09,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 06:00:09,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:00:09,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 06:00:09,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:09,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:09,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:00:09,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:00:09,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:00:09,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:00:09,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:00:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:09,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:09,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:09,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:00:09,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:00:09,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 06:00:09,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:09,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:09,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:00:09,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:00:09,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:00:09,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:00:09,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:00:09,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:09,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:09,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:09,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:00:09,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:00:09,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:00:09,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:09,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:09,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:00:09,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:00:09,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:00:09,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:00:09,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-15 06:00:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:09,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:09,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:09,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:00:09,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:00:09,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:00:09,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:09,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:09,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:00:09,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:00:09,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:00:09,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:00:09,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-15 06:00:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:09,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:09,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:09,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:00:09,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:00:09,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 06:00:09,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:09,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:09,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 06:00:09,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:00:09,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 06:00:09,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:00:09,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:00:09,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:09,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:09,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:09,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:00:09,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:00:09,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:00:09,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:09,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:09,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:00:09,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:00:09,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:00:09,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:00:10,017 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-15 06:00:10,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1442878978] [2020-10-15 06:00:10,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:00:10,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 06:00:10,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531826457] [2020-10-15 06:00:10,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 06:00:10,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:00:10,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 06:00:10,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-15 06:00:10,021 INFO L87 Difference]: Start difference. First operand 1189 states and 1630 transitions. Second operand 11 states. [2020-10-15 06:00:10,310 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-15 06:00:19,769 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-15 06:00:20,459 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-15 06:00:20,917 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-15 06:00:21,414 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-15 06:00:21,906 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-15 06:00:34,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:00:34,300 INFO L93 Difference]: Finished difference Result 1433 states and 2007 transitions. [2020-10-15 06:00:34,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 06:00:34,301 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 88 [2020-10-15 06:00:34,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:00:34,311 INFO L225 Difference]: With dead ends: 1433 [2020-10-15 06:00:34,312 INFO L226 Difference]: Without dead ends: 1430 [2020-10-15 06:00:34,313 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-10-15 06:00:34,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2020-10-15 06:00:34,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1197. [2020-10-15 06:00:34,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1197 states. [2020-10-15 06:00:34,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1638 transitions. [2020-10-15 06:00:34,489 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1638 transitions. Word has length 88 [2020-10-15 06:00:34,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:00:34,490 INFO L479 AbstractCegarLoop]: Abstraction has 1197 states and 1638 transitions. [2020-10-15 06:00:34,490 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 06:00:34,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1638 transitions. [2020-10-15 06:00:34,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-15 06:00:34,495 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:00:34,496 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] [2020-10-15 06:00:34,496 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 06:00:34,496 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:00:34,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:00:34,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1556946050, now seen corresponding path program 1 times [2020-10-15 06:00:34,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:00:34,497 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [702113362] [2020-10-15 06:00:34,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:00:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:34,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:34,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:34,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:35,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:39,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:39,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-15 06:00:39,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 06:00:39,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 06:00:39,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:39,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:39,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 06:00:39,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:00:39,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-15 06:00:39,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:00:40,105 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 06:00:40,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:00:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:40,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:40,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:40,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:00:40,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:00:40,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-15 06:00:40,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:40,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:40,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:00:40,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:00:40,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:00:40,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:00:40,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:00:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:40,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:40,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:40,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:00:40,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:00:40,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 06:00:40,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:40,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:40,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:00:40,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:00:40,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 06:00:40,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:00:40,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:00:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:40,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:40,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:40,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:00:40,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:00:40,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:00:40,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:40,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:40,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:00:40,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:00:40,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:00:40,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:00:40,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 06:00:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:40,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:40,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:40,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:00:40,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:00:40,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:00:40,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:40,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:40,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:00:40,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:00:40,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 06:00:40,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:00:40,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 06:00:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:40,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:40,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:40,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:00:40,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:00:40,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:00:40,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:40,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:40,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:00:40,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:00:40,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 06:00:40,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:00:40,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 06:00:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:40,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:40,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:40,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 06:00:40,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:00:40,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-15 06:00:40,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:40,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:40,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 06:00:40,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 06:00:40,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-15 06:00:40,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:00:40,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 06:00:40,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:40,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:40,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:40,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 06:00:40,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:00:40,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 06:00:40,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:40,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:40,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:00:40,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:00:40,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-15 06:00:40,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:00:40,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:00:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:40,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:40,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:40,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 06:00:40,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:00:40,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 06:00:40,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:40,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:40,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:00:40,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:00:40,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:00:40,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:00:40,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:00:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:40,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:40,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:40,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:00:40,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:00:40,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 06:00:40,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:40,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:40,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:00:40,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:00:40,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:00:40,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:00:40,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:00:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:40,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:40,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:40,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:00:40,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:00:40,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:00:40,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:40,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:40,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:00:40,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:00:40,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:00:40,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:00:40,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-15 06:00:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:40,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:40,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:40,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:00:40,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:00:40,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 06:00:40,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:40,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:40,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:00:40,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:00:40,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 06:00:40,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:00:40,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-15 06:00:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:40,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:40,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:40,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:40,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-15 06:00:40,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 06:00:40,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-15 06:00:40,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:40,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:40,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 06:00:40,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-15 06:00:40,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 06:00:40,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:00:40,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:00:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:40,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:40,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:40,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:00:40,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:00:40,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:00:40,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:40,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:40,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:00:40,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:00:40,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:00:40,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:00:40,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-15 06:00:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:40,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:40,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:40,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:00:40,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:00:40,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-15 06:00:40,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:40,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:40,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:00:40,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:00:40,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:00:40,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:00:40,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 06:00:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:40,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:40,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:40,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:00:40,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:00:40,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:00:40,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:40,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:40,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 06:00:40,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:00:40,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 06:00:40,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:00:40,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 06:00:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:00:40,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:00:40,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:00:40,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:00:40,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:00:40,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:00:40,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:00:40,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:00:40,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:00:40,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:00:40,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 06:00:40,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:00:40,881 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-15 06:00:40,882 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [702113362] [2020-10-15 06:00:40,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:00:40,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 06:00:40,883 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744932286] [2020-10-15 06:00:40,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 06:00:40,885 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:00:40,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 06:00:40,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-15 06:00:40,885 INFO L87 Difference]: Start difference. First operand 1197 states and 1638 transitions. Second operand 10 states. [2020-10-15 06:00:41,182 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-15 06:00:41,805 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-15 06:00:43,831 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 06:00:49,698 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-15 06:01:02,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:01:02,446 INFO L93 Difference]: Finished difference Result 2601 states and 3620 transitions. [2020-10-15 06:01:02,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 06:01:02,447 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2020-10-15 06:01:02,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:01:02,457 INFO L225 Difference]: With dead ends: 2601 [2020-10-15 06:01:02,457 INFO L226 Difference]: Without dead ends: 1440 [2020-10-15 06:01:02,462 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-10-15 06:01:02,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1440 states. [2020-10-15 06:01:02,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1440 to 1198. [2020-10-15 06:01:02,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1198 states. [2020-10-15 06:01:02,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 1639 transitions. [2020-10-15 06:01:02,621 INFO L78 Accepts]: Start accepts. Automaton has 1198 states and 1639 transitions. Word has length 104 [2020-10-15 06:01:02,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:01:02,622 INFO L479 AbstractCegarLoop]: Abstraction has 1198 states and 1639 transitions. [2020-10-15 06:01:02,622 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 06:01:02,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1639 transitions. [2020-10-15 06:01:02,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-15 06:01:02,625 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:01:02,626 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 06:01:02,626 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 06:01:02,626 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:01:02,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:01:02,627 INFO L82 PathProgramCache]: Analyzing trace with hash -772961023, now seen corresponding path program 1 times [2020-10-15 06:01:02,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:01:02,627 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1518643974] [2020-10-15 06:01:02,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:01:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:02,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:02,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:03,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:07,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:07,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-15 06:01:07,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 06:01:07,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5054 [2020-10-15 06:01:07,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:07,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:07,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 06:01:07,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-15 06:01:07,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-15 06:01:07,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:01:08,077 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 06:01:08,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:01:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:08,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:08,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:08,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:01:08,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:08,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-15 06:01:08,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:08,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:08,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:01:08,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:08,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:01:08,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:01:08,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:01:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:08,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:08,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:08,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:01:08,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:08,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 06:01:08,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:08,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:08,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:01:08,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:08,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:01:08,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:01:08,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:01:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:08,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:08,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:08,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:01:08,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:08,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:01:08,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:08,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:08,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:01:08,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:08,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:01:08,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:01:08,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 06:01:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:08,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:08,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:08,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:01:08,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:08,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:01:08,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:08,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:08,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:01:08,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:08,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:01:08,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:01:08,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 06:01:08,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:08,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:08,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:08,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:01:08,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:08,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:01:08,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:08,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:08,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:01:08,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:08,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:01:08,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:01:08,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 06:01:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:08,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:08,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:08,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 06:01:08,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:08,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 06:01:08,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:08,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:08,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:01:08,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:08,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:01:08,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:01:08,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 06:01:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:08,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:08,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:08,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 06:01:08,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:08,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 06:01:08,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:08,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:08,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:01:08,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:08,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:01:08,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:01:08,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:01:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:08,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:08,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:08,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 06:01:08,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:08,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:01:08,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:08,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:08,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:01:08,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:08,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:01:08,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:01:08,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:01:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:08,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:08,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:08,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:01:08,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:08,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:01:08,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:08,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:08,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:01:08,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:08,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:01:08,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:01:08,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:01:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:08,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:08,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:08,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:01:08,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:08,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:01:08,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:08,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:08,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:01:08,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:08,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:01:08,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:01:08,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-15 06:01:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:08,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:08,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:08,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:01:08,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:08,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:01:08,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:08,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:08,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:01:08,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:08,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:01:08,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:01:08,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-15 06:01:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:08,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:08,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:08,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:08,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 06:01:08,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 06:01:08,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-15 06:01:08,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:08,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:08,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 06:01:08,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:08,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-15 06:01:08,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:01:08,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:01:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:08,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:08,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:08,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:01:08,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:08,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:01:08,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:08,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:08,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:01:08,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:08,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:01:08,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:01:08,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-15 06:01:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:08,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:08,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:08,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:01:08,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:08,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:01:08,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:08,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:08,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:01:08,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:08,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:01:08,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:01:08,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 06:01:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:08,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:08,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:08,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 06:01:08,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:08,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:01:08,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:08,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:08,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:01:08,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:08,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:01:08,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:01:08,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 06:01:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:08,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:08,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:08,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:01:08,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:08,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:01:08,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:08,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:08,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:01:08,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:08,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 06:01:08,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:01:08,592 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-15 06:01:08,593 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1518643974] [2020-10-15 06:01:08,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:01:08,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 06:01:08,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199458767] [2020-10-15 06:01:08,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 06:01:08,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:01:08,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 06:01:08,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-15 06:01:08,595 INFO L87 Difference]: Start difference. First operand 1198 states and 1639 transitions. Second operand 12 states. [2020-10-15 06:01:08,891 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-15 06:01:18,645 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-15 06:01:20,100 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-15 06:01:20,619 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-15 06:01:21,019 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-15 06:01:21,407 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-15 06:01:21,770 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-15 06:01:32,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:01:32,121 INFO L93 Difference]: Finished difference Result 1438 states and 2011 transitions. [2020-10-15 06:01:32,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 06:01:32,123 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 106 [2020-10-15 06:01:32,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:01:32,132 INFO L225 Difference]: With dead ends: 1438 [2020-10-15 06:01:32,132 INFO L226 Difference]: Without dead ends: 1435 [2020-10-15 06:01:32,134 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2020-10-15 06:01:32,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1435 states. [2020-10-15 06:01:32,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1435 to 1200. [2020-10-15 06:01:32,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1200 states. [2020-10-15 06:01:32,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 1200 states and 1642 transitions. [2020-10-15 06:01:32,310 INFO L78 Accepts]: Start accepts. Automaton has 1200 states and 1642 transitions. Word has length 106 [2020-10-15 06:01:32,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:01:32,311 INFO L479 AbstractCegarLoop]: Abstraction has 1200 states and 1642 transitions. [2020-10-15 06:01:32,311 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 06:01:32,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1642 transitions. [2020-10-15 06:01:32,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-15 06:01:32,319 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:01:32,320 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 06:01:32,320 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 06:01:32,320 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:01:32,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:01:32,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1146363518, now seen corresponding path program 1 times [2020-10-15 06:01:32,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:01:32,321 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1245241876] [2020-10-15 06:01:32,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:01:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:32,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:32,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:36,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:36,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-10-15 06:01:36,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 06:01:36,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3994 [2020-10-15 06:01:36,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:36,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:36,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 06:01:36,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-10-15 06:01:36,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 06:01:36,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:01:36,758 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 06:01:36,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:01:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:36,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:36,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:36,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:01:36,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:36,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-15 06:01:36,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:36,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:36,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:01:36,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:36,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:01:36,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:01:36,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:01:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:36,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:36,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:36,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:01:36,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:36,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 06:01:36,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:36,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:36,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:01:36,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:36,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:01:36,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:01:36,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:01:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:36,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:36,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:36,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:01:36,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:36,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:01:36,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:36,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:36,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:01:36,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:36,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:01:36,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:01:36,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 06:01:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:36,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:36,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:36,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:01:36,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:36,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:01:36,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:36,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:36,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:01:36,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:36,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:01:36,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:01:36,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 06:01:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:36,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:36,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:36,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:01:36,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:36,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:01:36,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:36,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:36,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:01:36,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:36,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:01:36,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:01:36,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 06:01:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:36,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:36,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:36,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 06:01:36,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:36,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 06:01:36,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:36,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:36,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:01:36,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:36,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:01:36,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:01:36,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 06:01:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:36,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:36,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:36,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 06:01:36,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:36,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:01:36,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:36,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:36,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:01:36,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:36,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:01:36,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:01:36,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:01:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:36,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:36,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:36,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 06:01:36,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:36,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 06:01:36,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:36,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:36,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:01:36,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:36,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:01:36,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:01:36,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:01:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:37,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:37,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:37,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:01:37,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:37,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:01:37,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:37,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:37,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:01:37,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:37,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:01:37,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:01:37,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:01:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:37,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:37,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:37,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:01:37,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:37,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:01:37,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:37,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:37,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:01:37,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:37,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:01:37,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:01:37,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-15 06:01:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:37,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:37,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:37,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:01:37,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:37,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:01:37,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:37,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:37,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:01:37,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:37,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:01:37,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:01:37,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-15 06:01:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:37,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:37,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:37,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-15 06:01:37,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:37,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-15 06:01:37,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:37,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:37,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 06:01:37,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:37,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-15 06:01:37,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:01:37,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:01:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:37,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:37,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:37,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:01:37,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:37,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:01:37,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:37,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:37,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:01:37,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:37,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:01:37,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:01:37,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-15 06:01:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:37,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:37,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:37,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:01:37,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:37,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:01:37,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:37,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:37,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:01:37,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:37,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:01:37,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:01:37,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 06:01:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:37,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:37,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:37,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 06:01:37,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:37,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:01:37,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:37,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:37,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:01:37,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:37,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:01:37,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:01:37,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 06:01:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:37,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:37,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:37,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:01:37,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:37,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:01:37,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:37,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:37,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:01:37,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:37,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 06:01:37,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:01:37,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 06:01:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:37,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:37,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:37,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:01:37,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:37,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 06:01:37,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:37,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:37,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:01:37,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:37,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 06:01:37,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:01:37,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-15 06:01:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:01:37,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:01:37,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:01:37,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:01:37,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:01:37,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:01:37,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:01:37,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:01:37,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:01:37,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:01:37,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 06:01:37,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:01:37,394 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-15 06:01:37,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1245241876] [2020-10-15 06:01:37,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:01:37,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 06:01:37,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807499032] [2020-10-15 06:01:37,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 06:01:37,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:01:37,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 06:01:37,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-15 06:01:37,397 INFO L87 Difference]: Start difference. First operand 1200 states and 1642 transitions. Second operand 12 states. [2020-10-15 06:01:37,703 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-15 06:01:47,162 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-15 06:01:49,623 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-15 06:01:49,993 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-15 06:02:00,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:02:00,666 INFO L93 Difference]: Finished difference Result 1450 states and 2029 transitions. [2020-10-15 06:02:00,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 06:02:00,671 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 118 [2020-10-15 06:02:00,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:02:00,679 INFO L225 Difference]: With dead ends: 1450 [2020-10-15 06:02:00,679 INFO L226 Difference]: Without dead ends: 1447 [2020-10-15 06:02:00,681 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2020-10-15 06:02:00,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1447 states. [2020-10-15 06:02:00,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1447 to 1200. [2020-10-15 06:02:00,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1200 states. [2020-10-15 06:02:00,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 1200 states and 1642 transitions. [2020-10-15 06:02:00,870 INFO L78 Accepts]: Start accepts. Automaton has 1200 states and 1642 transitions. Word has length 118 [2020-10-15 06:02:00,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:02:00,872 INFO L479 AbstractCegarLoop]: Abstraction has 1200 states and 1642 transitions. [2020-10-15 06:02:00,872 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 06:02:00,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1642 transitions. [2020-10-15 06:02:00,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-15 06:02:00,880 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:02:00,880 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 06:02:00,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 06:02:00,883 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:02:00,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:02:00,883 INFO L82 PathProgramCache]: Analyzing trace with hash -248482353, now seen corresponding path program 1 times [2020-10-15 06:02:00,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:02:00,884 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [811842564] [2020-10-15 06:02:00,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:02:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:00,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:01,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:01,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:05,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:05,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:05,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-15 06:02:05,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 06:02:05,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5053 [2020-10-15 06:02:05,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:05,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:05,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 06:02:05,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 179 [2020-10-15 06:02:05,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 06:02:05,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:06,432 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 06:02:06,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:02:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:06,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:06,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:06,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:02:06,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:06,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-15 06:02:06,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:06,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:06,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:06,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:06,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:06,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:02:06,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:02:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:06,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:06,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:06,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:02:06,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:06,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:02:06,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:06,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:06,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:06,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:06,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:06,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:06,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:02:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:06,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:06,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:06,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:02:06,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:06,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:02:06,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:06,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:06,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:06,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:06,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:06,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:06,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 06:02:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:06,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:06,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:06,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:02:06,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:06,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:02:06,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:06,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:06,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:06,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:06,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:06,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:06,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 06:02:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:06,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:06,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:06,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:02:06,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:06,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:02:06,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:06,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:06,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:06,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:06,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:06,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:06,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 06:02:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:06,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:06,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:06,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 06:02:06,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:06,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 06:02:06,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:06,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:06,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:06,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:06,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:06,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:06,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 06:02:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:06,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:06,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:06,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 06:02:06,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:06,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 06:02:06,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:06,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:06,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:06,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:06,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:06,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:06,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:02:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:06,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:06,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:06,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 06:02:06,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:06,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 06:02:06,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:06,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:06,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:06,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:06,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:06,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:06,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:02:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:06,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:06,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:06,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:02:06,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:06,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 06:02:06,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:06,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:06,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:06,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:06,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:06,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:06,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:02:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:06,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:06,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:06,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:02:06,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:06,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:02:06,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:06,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:06,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:06,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:06,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:06,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:06,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-15 06:02:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:06,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:06,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:06,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:02:06,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:06,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:02:06,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:06,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:06,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:06,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:06,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:06,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:02:06,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-15 06:02:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:06,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:06,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:06,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:07,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:07,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-15 06:02:07,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 06:02:07,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 590 [2020-10-15 06:02:07,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:07,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:07,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 06:02:07,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:07,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-15 06:02:07,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:07,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:02:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:07,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:07,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:07,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:02:07,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:07,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:02:07,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:07,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:07,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:07,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:07,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:07,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:02:07,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-15 06:02:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:07,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:07,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:07,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:02:07,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:07,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:02:07,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:07,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:07,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:07,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:07,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:07,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:02:07,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 06:02:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:07,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:07,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:07,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 06:02:07,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:07,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:02:07,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:07,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:07,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:07,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:07,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:07,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 06:02:07,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 06:02:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:07,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:07,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:07,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:02:07,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:07,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:02:07,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:07,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:07,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:07,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:07,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:07,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:02:07,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 06:02:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:07,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:07,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:07,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:02:07,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:07,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:02:07,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:07,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:07,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:07,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:07,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:07,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:02:07,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-15 06:02:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:07,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:07,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:07,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:02:07,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:07,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:02:07,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:07,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:07,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:07,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:07,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:07,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:07,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 06:02:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:07,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:07,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:07,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:07,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 06:02:07,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 06:02:07,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:02:07,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:07,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:07,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:02:07,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 06:02:07,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:02:07,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:07,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-15 06:02:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:07,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:07,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:07,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:02:07,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:07,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:02:07,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:07,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:07,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:07,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:07,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:07,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:07,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 06:02:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:07,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:07,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:07,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:02:07,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:07,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:02:07,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:07,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:07,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:07,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:07,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:07,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:02:07,618 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-15 06:02:07,618 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [811842564] [2020-10-15 06:02:07,619 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:02:07,620 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 06:02:07,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524594325] [2020-10-15 06:02:07,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 06:02:07,621 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:02:07,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 06:02:07,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-15 06:02:07,622 INFO L87 Difference]: Start difference. First operand 1200 states and 1642 transitions. Second operand 12 states. [2020-10-15 06:02:07,945 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-15 06:02:19,985 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-15 06:02:24,607 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-15 06:02:27,934 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-15 06:02:28,301 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-15 06:02:34,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:02:34,818 INFO L93 Difference]: Finished difference Result 2606 states and 3632 transitions. [2020-10-15 06:02:34,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 06:02:34,819 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 140 [2020-10-15 06:02:34,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:02:34,828 INFO L225 Difference]: With dead ends: 2606 [2020-10-15 06:02:34,828 INFO L226 Difference]: Without dead ends: 1442 [2020-10-15 06:02:34,832 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2020-10-15 06:02:34,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1442 states. [2020-10-15 06:02:35,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1442 to 1200. [2020-10-15 06:02:35,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1200 states. [2020-10-15 06:02:35,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 1200 states and 1639 transitions. [2020-10-15 06:02:35,020 INFO L78 Accepts]: Start accepts. Automaton has 1200 states and 1639 transitions. Word has length 140 [2020-10-15 06:02:35,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:02:35,020 INFO L479 AbstractCegarLoop]: Abstraction has 1200 states and 1639 transitions. [2020-10-15 06:02:35,020 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 06:02:35,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1639 transitions. [2020-10-15 06:02:35,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-15 06:02:35,028 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:02:35,029 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2020-10-15 06:02:35,029 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 06:02:35,029 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:02:35,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:02:35,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1330844434, now seen corresponding path program 1 times [2020-10-15 06:02:35,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:02:35,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [561800444] [2020-10-15 06:02:35,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:02:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:35,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:35,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:40,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:40,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-10-15 06:02:40,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 06:02:40,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5182 [2020-10-15 06:02:40,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:40,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:40,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 06:02:40,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-15 06:02:40,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 06:02:40,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:40,656 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 06:02:40,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:02:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:40,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:40,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:40,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:02:40,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:40,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-15 06:02:40,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:40,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:40,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:40,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:40,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:40,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:02:40,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:02:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:40,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:40,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:40,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:02:40,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:40,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:02:40,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:40,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:40,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:40,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:40,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:40,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:02:40,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:02:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:40,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:40,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:40,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:02:40,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:40,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:02:40,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:40,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:40,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:40,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:40,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:40,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:40,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 06:02:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:40,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:40,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:40,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:02:40,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:40,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:02:40,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:40,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:40,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:40,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:40,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:40,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:02:40,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 06:02:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:40,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:40,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:40,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:02:40,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:40,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:02:40,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:40,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:40,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:40,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:40,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:40,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:02:40,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-15 06:02:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:40,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:40,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:40,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 06:02:40,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:40,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-15 06:02:40,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:40,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:40,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 06:02:40,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:40,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-15 06:02:40,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:02:40,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 06:02:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:40,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:40,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:40,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-15 06:02:40,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:40,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:02:40,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:40,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:40,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:40,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:40,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:40,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:40,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:02:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:40,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:40,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:40,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 06:02:40,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:40,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:02:40,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:40,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:40,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:40,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:40,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:40,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:02:40,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:02:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:40,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:40,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:40,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:02:40,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:40,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:02:40,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:40,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:40,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:40,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:40,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:40,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-15 06:02:40,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:02:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:40,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:40,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:40,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:02:40,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:40,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:02:40,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:40,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:40,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:40,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:40,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:40,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:40,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-15 06:02:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:40,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:40,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:40,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:02:41,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:41,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:02:41,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:41,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:41,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:41,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-15 06:02:41,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:41,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:02:41,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-15 06:02:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:41,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:41,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:41,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:41,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-15 06:02:41,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 06:02:41,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 326 [2020-10-15 06:02:41,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:41,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:41,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 06:02:41,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-15 06:02:41,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 06:02:41,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:41,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:02:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:41,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:41,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:41,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:02:41,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:41,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:02:41,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:41,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:41,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:41,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:41,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:41,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:02:41,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-15 06:02:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:41,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:41,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:41,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:02:41,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:41,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:02:41,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:41,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:41,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:41,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:41,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:41,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:41,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-15 06:02:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:41,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:41,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:41,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 06:02:41,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:41,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:02:41,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:41,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:41,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:41,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:41,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:41,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:41,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 06:02:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:41,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:41,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:41,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:02:41,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:41,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:02:41,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:41,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:41,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:41,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:41,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:41,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:02:41,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-15 06:02:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:41,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:41,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:41,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:02:41,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:41,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 06:02:41,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:41,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:41,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 06:02:41,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:41,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 06:02:41,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:02:41,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-15 06:02:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:41,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:41,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:41,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:02:41,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:41,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:02:41,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:41,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:41,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:41,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:02:41,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:41,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:41,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 06:02:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:41,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:41,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:41,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 06:02:41,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:41,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:02:41,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:41,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:41,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:41,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 06:02:41,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:41,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:02:41,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-15 06:02:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:41,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:41,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:41,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:02:41,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:41,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:02:41,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:41,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:41,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:41,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:02:41,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:41,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:02:41,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-15 06:02:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:41,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:41,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:41,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-15 06:02:41,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:41,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-15 06:02:41,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:41,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:41,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:41,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-15 06:02:41,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:41,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:41,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:02:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:41,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:41,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:41,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 06:02:41,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:41,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 06:02:41,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:41,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:41,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:41,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:41,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:41,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:41,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 06:02:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:41,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:41,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:41,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 06:02:41,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:41,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 06:02:41,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:41,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:41,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:41,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:41,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:41,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:41,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:02:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:41,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:41,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:41,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:02:41,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:41,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 06:02:41,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:41,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:41,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:41,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:41,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:41,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-15 06:02:41,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:02:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:41,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:41,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:41,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:02:41,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:41,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:02:41,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:41,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:41,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:41,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:41,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:41,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:41,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 06:02:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:41,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:41,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:41,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:02:41,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:41,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:02:41,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:41,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:41,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:41,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:41,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:41,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:41,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 06:02:41,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:41,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:41,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:41,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:02:41,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:41,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:02:41,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:41,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:41,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:41,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:41,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:41,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:41,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 06:02:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:41,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:41,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:41,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:02:41,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:41,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:02:41,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:41,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:41,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:41,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:41,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:41,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:41,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 06:02:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:41,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:41,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:41,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 06:02:41,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:41,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:02:41,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:41,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:41,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:41,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:02:41,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:41,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:02:41,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-15 06:02:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:41,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:41,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:41,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:02:41,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:41,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:02:41,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:41,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:41,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:41,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:02:41,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:41,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:02:41,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-15 06:02:41,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:02:41,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:02:41,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:02:41,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 06:02:41,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:02:41,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:02:41,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:02:41,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:02:41,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:02:41,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-15 06:02:41,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:02:41,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:02:41,937 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-15 06:02:41,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [561800444] [2020-10-15 06:02:41,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:02:41,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 06:02:41,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249712079] [2020-10-15 06:02:41,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 06:02:41,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:02:41,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 06:02:41,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-15 06:02:41,941 INFO L87 Difference]: Start difference. First operand 1200 states and 1639 transitions. Second operand 13 states. [2020-10-15 06:02:42,388 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-15 06:03:01,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:03:01,590 INFO L93 Difference]: Finished difference Result 2608 states and 3618 transitions. [2020-10-15 06:03:01,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 06:03:01,591 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 194 [2020-10-15 06:03:01,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:03:01,598 INFO L225 Difference]: With dead ends: 2608 [2020-10-15 06:03:01,598 INFO L226 Difference]: Without dead ends: 1438 [2020-10-15 06:03:01,602 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2020-10-15 06:03:01,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2020-10-15 06:03:01,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 1204. [2020-10-15 06:03:01,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1204 states. [2020-10-15 06:03:01,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 1642 transitions. [2020-10-15 06:03:01,828 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 1642 transitions. Word has length 194 [2020-10-15 06:03:01,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:03:01,829 INFO L479 AbstractCegarLoop]: Abstraction has 1204 states and 1642 transitions. [2020-10-15 06:03:01,829 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 06:03:01,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1642 transitions. [2020-10-15 06:03:01,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-15 06:03:01,839 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:03:01,839 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 06:03:01,839 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 06:03:01,839 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:03:01,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:03:01,840 INFO L82 PathProgramCache]: Analyzing trace with hash 486630465, now seen corresponding path program 1 times [2020-10-15 06:03:01,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:03:01,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1511910009] [2020-10-15 06:03:01,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:03:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:03:01,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:03:02,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:03:02,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:03:02,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:03:03,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking...