/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ddv-machzwd/ddv_machzwd_all.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 00:14:07,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 00:14:07,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 00:14:07,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 00:14:07,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 00:14:07,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 00:14:07,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 00:14:07,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 00:14:07,933 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 00:14:07,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 00:14:07,937 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 00:14:07,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 00:14:07,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 00:14:07,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 00:14:07,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 00:14:07,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 00:14:07,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 00:14:07,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 00:14:07,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 00:14:07,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 00:14:07,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 00:14:07,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 00:14:07,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 00:14:07,964 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 00:14:07,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 00:14:07,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 00:14:07,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 00:14:07,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 00:14:07,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 00:14:07,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 00:14:07,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 00:14:07,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 00:14:07,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 00:14:07,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 00:14:07,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 00:14:07,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 00:14:07,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 00:14:07,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 00:14:07,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 00:14:07,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 00:14:07,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 00:14:07,982 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 00:14:08,025 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 00:14:08,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 00:14:08,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 00:14:08,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 00:14:08,029 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 00:14:08,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 00:14:08,030 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 00:14:08,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 00:14:08,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 00:14:08,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 00:14:08,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 00:14:08,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 00:14:08,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 00:14:08,032 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 00:14:08,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 00:14:08,033 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 00:14:08,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 00:14:08,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 00:14:08,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 00:14:08,034 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 00:14:08,034 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 00:14:08,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 00:14:08,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 00:14:08,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 00:14:08,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 00:14:08,035 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 00:14:08,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 00:14:08,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 00:14:08,035 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 00:14:08,036 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 00:14:08,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 00:14:08,385 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 00:14:08,392 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 00:14:08,394 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 00:14:08,394 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 00:14:08,395 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ddv-machzwd/ddv_machzwd_all.i [2020-10-14 00:14:08,468 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/657c2b0e8/bb4f32d6e7194e21923f4cd3e754c50b/FLAG150e33aa3 [2020-10-14 00:14:09,142 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 00:14:09,143 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ddv-machzwd/ddv_machzwd_all.i [2020-10-14 00:14:09,182 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/657c2b0e8/bb4f32d6e7194e21923f4cd3e754c50b/FLAG150e33aa3 [2020-10-14 00:14:09,314 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/657c2b0e8/bb4f32d6e7194e21923f4cd3e754c50b [2020-10-14 00:14:09,322 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 00:14:09,324 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 00:14:09,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 00:14:09,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 00:14:09,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 00:14:09,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:14:09" (1/1) ... [2020-10-14 00:14:09,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@574fec72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:09, skipping insertion in model container [2020-10-14 00:14:09,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:14:09" (1/1) ... [2020-10-14 00:14:09,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 00:14:09,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 00:14:10,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:14:10,762 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 00:14:11,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 00:14:11,746 INFO L208 MainTranslator]: Completed translation [2020-10-14 00:14:11,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:11 WrapperNode [2020-10-14 00:14:11,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 00:14:11,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 00:14:11,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 00:14:11,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 00:14:11,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:11" (1/1) ... [2020-10-14 00:14:11,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:11" (1/1) ... [2020-10-14 00:14:11,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:11" (1/1) ... [2020-10-14 00:14:11,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:11" (1/1) ... [2020-10-14 00:14:12,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:11" (1/1) ... [2020-10-14 00:14:12,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:11" (1/1) ... [2020-10-14 00:14:12,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:11" (1/1) ... [2020-10-14 00:14:12,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 00:14:12,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 00:14:12,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 00:14:12,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 00:14:12,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:11" (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 [2020-10-14 00:14:12,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 00:14:12,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 00:14:12,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~int [2020-10-14 00:14:12,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2020-10-14 00:14:12,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~loff_t~0~X~int~TO~~loff_t~0 [2020-10-14 00:14:12,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2020-10-14 00:14:12,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2020-10-14 00:14:12,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-14 00:14:12,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-14 00:14:12,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-14 00:14:12,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~~irqreturn_t~0 [2020-10-14 00:14:12,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2020-10-14 00:14:12,191 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 00:14:12,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-14 00:14:12,191 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2020-10-14 00:14:12,191 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_interrupt [2020-10-14 00:14:12,192 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2020-10-14 00:14:12,192 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_usecs [2020-10-14 00:14:12,192 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2020-10-14 00:14:12,192 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2020-10-14 00:14:12,193 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-14 00:14:12,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-14 00:14:12,193 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-14 00:14:12,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2020-10-14 00:14:12,193 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2020-10-14 00:14:12,193 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-14 00:14:12,194 INFO L138 BoogieDeclarations]: Found implementation of procedure pthread_mutex_init [2020-10-14 00:14:12,194 INFO L138 BoogieDeclarations]: Found implementation of procedure pthread_mutex_destroy [2020-10-14 00:14:12,194 INFO L138 BoogieDeclarations]: Found implementation of procedure pthread_mutex_lock [2020-10-14 00:14:12,194 INFO L138 BoogieDeclarations]: Found implementation of procedure pthread_mutex_unlock [2020-10-14 00:14:12,194 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2020-10-14 00:14:12,194 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub [2020-10-14 00:14:12,194 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2020-10-14 00:14:12,195 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2020-10-14 00:14:12,195 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2020-10-14 00:14:12,195 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc_and_test [2020-10-14 00:14:12,195 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_negative [2020-10-14 00:14:12,195 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2020-10-14 00:14:12,195 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2020-10-14 00:14:12,195 INFO L138 BoogieDeclarations]: Found implementation of procedure sigfillset [2020-10-14 00:14:12,196 INFO L138 BoogieDeclarations]: Found implementation of procedure sigaddsetmask [2020-10-14 00:14:12,196 INFO L138 BoogieDeclarations]: Found implementation of procedure sigdelsetmask [2020-10-14 00:14:12,196 INFO L138 BoogieDeclarations]: Found implementation of procedure sigtestsetmask [2020-10-14 00:14:12,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2020-10-14 00:14:12,196 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-14 00:14:12,196 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-14 00:14:12,196 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2020-10-14 00:14:12,197 INFO L138 BoogieDeclarations]: Found implementation of procedure imajor [2020-10-14 00:14:12,197 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2020-10-14 00:14:12,197 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_status [2020-10-14 00:14:12,197 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2020-10-14 00:14:12,197 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2020-10-14 00:14:12,197 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_timer [2020-10-14 00:14:12,198 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2020-10-14 00:14:12,198 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_on [2020-10-14 00:14:12,198 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2020-10-14 00:14:12,198 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_write [2020-10-14 00:14:12,198 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ioctl [2020-10-14 00:14:12,198 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_open [2020-10-14 00:14:12,198 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_close [2020-10-14 00:14:12,199 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_notify_sys [2020-10-14 00:14:12,199 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_show_action [2020-10-14 00:14:12,199 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_init [2020-10-14 00:14:12,199 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_exit [2020-10-14 00:14:12,199 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 00:14:12,199 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-14 00:14:12,199 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-14 00:14:12,200 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2020-10-14 00:14:12,200 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2020-10-14 00:14:12,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-10-14 00:14:12,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-10-14 00:14:12,200 INFO L138 BoogieDeclarations]: Found implementation of procedure init_kernel [2020-10-14 00:14:12,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ddv [2020-10-14 00:14:12,200 INFO L138 BoogieDeclarations]: Found implementation of procedure call_ddv [2020-10-14 00:14:12,201 INFO L138 BoogieDeclarations]: Found implementation of procedure call_cdev_functions [2020-10-14 00:14:12,201 INFO L138 BoogieDeclarations]: Found implementation of procedure create_request [2020-10-14 00:14:12,201 INFO L138 BoogieDeclarations]: Found implementation of procedure call_rq_function [2020-10-14 00:14:12,201 INFO L138 BoogieDeclarations]: Found implementation of procedure call_genhd_functions [2020-10-14 00:14:12,201 INFO L138 BoogieDeclarations]: Found implementation of procedure call_interrupt_handler [2020-10-14 00:14:12,201 INFO L138 BoogieDeclarations]: Found implementation of procedure create_pci_dev [2020-10-14 00:14:12,202 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_probe_device [2020-10-14 00:14:12,202 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_remove_device [2020-10-14 00:14:12,202 INFO L138 BoogieDeclarations]: Found implementation of procedure call_pci_functions [2020-10-14 00:14:12,202 INFO L138 BoogieDeclarations]: Found implementation of procedure call_tasklet_functions [2020-10-14 00:14:12,202 INFO L138 BoogieDeclarations]: Found implementation of procedure call_timer_functions [2020-10-14 00:14:12,202 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2020-10-14 00:14:12,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_class [2020-10-14 00:14:12,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_register_driver [2020-10-14 00:14:12,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-10-14 00:14:12,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2020-10-14 00:14:12,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_region [2020-10-14 00:14:12,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2020-10-14 00:14:12,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2020-10-14 00:14:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_user [2020-10-14 00:14:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure get_user [2020-10-14 00:14:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __put_user [2020-10-14 00:14:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure put_user [2020-10-14 00:14:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-14 00:14:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-14 00:14:12,204 INFO L138 BoogieDeclarations]: Found implementation of procedure register_blkdev [2020-10-14 00:14:12,205 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_blkdev [2020-10-14 00:14:12,205 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_disk [2020-10-14 00:14:12,205 INFO L138 BoogieDeclarations]: Found implementation of procedure add_disk [2020-10-14 00:14:12,205 INFO L138 BoogieDeclarations]: Found implementation of procedure del_gendisk [2020-10-14 00:14:12,205 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fixed_request_queue [2020-10-14 00:14:12,205 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_init_queue [2020-10-14 00:14:12,205 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_alloc_queue [2020-10-14 00:14:12,206 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_make_request [2020-10-14 00:14:12,206 INFO L138 BoogieDeclarations]: Found implementation of procedure end_request [2020-10-14 00:14:12,206 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_queue_hardsect_size [2020-10-14 00:14:12,206 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_cleanup_queue [2020-10-14 00:14:12,206 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2020-10-14 00:14:12,206 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tty_driver [2020-10-14 00:14:12,206 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_operations [2020-10-14 00:14:12,207 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_chrdev_region [2020-10-14 00:14:12,207 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev_region [2020-10-14 00:14:12,207 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev [2020-10-14 00:14:12,207 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2020-10-14 00:14:12,207 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_alloc [2020-10-14 00:14:12,207 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_init [2020-10-14 00:14:12,207 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2020-10-14 00:14:12,208 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2020-10-14 00:14:12,208 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_init [2020-10-14 00:14:12,208 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-14 00:14:12,208 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-14 00:14:12,208 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2020-10-14 00:14:12,208 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2020-10-14 00:14:12,208 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-10-14 00:14:12,209 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-10-14 00:14:12,209 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2020-10-14 00:14:12,209 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2020-10-14 00:14:12,209 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2020-10-14 00:14:12,209 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2020-10-14 00:14:12,209 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2020-10-14 00:14:12,210 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2020-10-14 00:14:12,210 INFO L138 BoogieDeclarations]: Found implementation of procedure inw_p [2020-10-14 00:14:12,210 INFO L138 BoogieDeclarations]: Found implementation of procedure outw_p [2020-10-14 00:14:12,210 INFO L138 BoogieDeclarations]: Found implementation of procedure inl_p [2020-10-14 00:14:12,210 INFO L138 BoogieDeclarations]: Found implementation of procedure outl_p [2020-10-14 00:14:12,210 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-14 00:14:12,211 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2020-10-14 00:14:12,211 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2020-10-14 00:14:12,211 INFO L138 BoogieDeclarations]: Found implementation of procedure init_MUTEX [2020-10-14 00:14:12,211 INFO L138 BoogieDeclarations]: Found implementation of procedure init_MUTEX_LOCKED [2020-10-14 00:14:12,211 INFO L138 BoogieDeclarations]: Found implementation of procedure down [2020-10-14 00:14:12,211 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2020-10-14 00:14:12,211 INFO L138 BoogieDeclarations]: Found implementation of procedure down_trylock [2020-10-14 00:14:12,212 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2020-10-14 00:14:12,212 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2020-10-14 00:14:12,212 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2020-10-14 00:14:12,212 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2020-10-14 00:14:12,212 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-14 00:14:12,212 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2020-10-14 00:14:12,212 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-10-14 00:14:12,213 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2020-10-14 00:14:12,213 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-14 00:14:12,213 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-14 00:14:12,213 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-10-14 00:14:12,213 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2020-10-14 00:14:12,213 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer [2020-10-14 00:14:12,213 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2020-10-14 00:14:12,214 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer_on [2020-10-14 00:14:12,214 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2020-10-14 00:14:12,214 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2020-10-14 00:14:12,214 INFO L138 BoogieDeclarations]: Found implementation of procedure init_waitqueue_head [2020-10-14 00:14:12,214 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up [2020-10-14 00:14:12,214 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_all [2020-10-14 00:14:12,214 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_interruptible [2020-10-14 00:14:12,214 INFO L138 BoogieDeclarations]: Found implementation of procedure sleep_on [2020-10-14 00:14:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on [2020-10-14 00:14:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2020-10-14 00:14:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure call_shared_workqueue_functions [2020-10-14 00:14:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-10-14 00:14:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-10-14 00:14:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_pages [2020-10-14 00:14:12,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_free_page [2020-10-14 00:14:12,216 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2020-10-14 00:14:12,216 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages_node [2020-10-14 00:14:12,216 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2020-10-14 00:14:12,216 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_page [2020-10-14 00:14:12,216 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-14 00:14:12,216 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-14 00:14:12,216 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2020-10-14 00:14:12,217 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-14 00:14:12,217 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2020-10-14 00:14:12,217 INFO L138 BoogieDeclarations]: Found implementation of procedure nonseekable_open [2020-10-14 00:14:12,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __module_get [2020-10-14 00:14:12,217 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-14 00:14:12,217 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-14 00:14:12,217 INFO L138 BoogieDeclarations]: Found implementation of procedure register_reboot_notifier [2020-10-14 00:14:12,217 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2020-10-14 00:14:12,218 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2020-10-14 00:14:12,218 INFO L138 BoogieDeclarations]: Found implementation of procedure release_mem_region [2020-10-14 00:14:12,218 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-14 00:14:12,218 INFO L138 BoogieDeclarations]: Found implementation of procedure request_mem_region [2020-10-14 00:14:12,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2020-10-14 00:14:12,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2020-10-14 00:14:12,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-14 00:14:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 00:14:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 00:14:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 00:14:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-14 00:14:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2020-10-14 00:14:12,219 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_interrupt [2020-10-14 00:14:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure call_ddv [2020-10-14 00:14:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure barrier [2020-10-14 00:14:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-10-14 00:14:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2020-10-14 00:14:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2020-10-14 00:14:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_usecs [2020-10-14 00:14:12,220 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2020-10-14 00:14:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2020-10-14 00:14:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer [2020-10-14 00:14:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer_on [2020-10-14 00:14:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2020-10-14 00:14:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2020-10-14 00:14:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2020-10-14 00:14:12,221 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2020-10-14 00:14:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-14 00:14:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2020-10-14 00:14:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-10-14 00:14:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2020-10-14 00:14:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-14 00:14:12,222 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-14 00:14:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-10-14 00:14:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2020-10-14 00:14:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure rmb [2020-10-14 00:14:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure read_barrier_depends [2020-10-14 00:14:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure wmb [2020-10-14 00:14:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure mb [2020-10-14 00:14:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-14 00:14:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 00:14:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-14 00:14:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-14 00:14:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 00:14:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2020-10-14 00:14:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2020-10-14 00:14:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-14 00:14:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-14 00:14:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure init_waitqueue_head [2020-10-14 00:14:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-10-14 00:14:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-14 00:14:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up [2020-10-14 00:14:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_all [2020-10-14 00:14:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_interruptible [2020-10-14 00:14:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2020-10-14 00:14:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue_exclusive [2020-10-14 00:14:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2020-10-14 00:14:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure waitqueue_active [2020-10-14 00:14:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure sleep_on [2020-10-14 00:14:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on [2020-10-14 00:14:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pthread_t [2020-10-14 00:14:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2020-10-14 00:14:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_self [2020-10-14 00:14:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_equal [2020-10-14 00:14:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_exit [2020-10-14 00:14:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2020-10-14 00:14:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_detach [2020-10-14 00:14:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_init [2020-10-14 00:14:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_destroy [2020-10-14 00:14:12,227 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setdetachstate [2020-10-14 00:14:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getdetachstate [2020-10-14 00:14:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedparam [2020-10-14 00:14:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedparam [2020-10-14 00:14:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setschedpolicy [2020-10-14 00:14:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getschedpolicy [2020-10-14 00:14:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setinheritsched [2020-10-14 00:14:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getinheritsched [2020-10-14 00:14:12,228 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setscope [2020-10-14 00:14:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getscope [2020-10-14 00:14:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setguardsize [2020-10-14 00:14:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getguardsize [2020-10-14 00:14:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstackaddr [2020-10-14 00:14:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstackaddr [2020-10-14 00:14:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstack [2020-10-14 00:14:12,229 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstack [2020-10-14 00:14:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_setstacksize [2020-10-14 00:14:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_attr_getstacksize [2020-10-14 00:14:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getattr_np [2020-10-14 00:14:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setschedparam [2020-10-14 00:14:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getschedparam [2020-10-14 00:14:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_getconcurrency [2020-10-14 00:14:12,230 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setconcurrency [2020-10-14 00:14:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_yield [2020-10-14 00:14:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_init [2020-10-14 00:14:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 00:14:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 00:14:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 00:14:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 00:14:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 00:14:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_destroy [2020-10-14 00:14:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_trylock [2020-10-14 00:14:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-14 00:14:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-14 00:14:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_lock [2020-10-14 00:14:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_mutex_unlock [2020-10-14 00:14:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_init [2020-10-14 00:14:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_destroy [2020-10-14 00:14:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_lock [2020-10-14 00:14:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_trylock [2020-10-14 00:14:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_spin_unlock [2020-10-14 00:14:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_init [2020-10-14 00:14:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_destroy [2020-10-14 00:14:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_init [2020-10-14 00:14:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_destroy [2020-10-14 00:14:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_getpshared [2020-10-14 00:14:12,233 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrierattr_setpshared [2020-10-14 00:14:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_barrier_wait [2020-10-14 00:14:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcancelstate [2020-10-14 00:14:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_setcanceltype [2020-10-14 00:14:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_cancel [2020-10-14 00:14:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_testcancel [2020-10-14 00:14:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_atfork [2020-10-14 00:14:12,234 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_kill_other_threads_np [2020-10-14 00:14:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 00:14:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2020-10-14 00:14:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-14 00:14:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 00:14:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-14 00:14:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-14 00:14:12,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 00:14:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-14 00:14:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-14 00:14:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned [2020-10-14 00:14:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2020-10-14 00:14:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2020-10-14 00:14:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_sector_t [2020-10-14 00:14:12,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2020-10-14 00:14:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pchar [2020-10-14 00:14:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-14 00:14:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure noop [2020-10-14 00:14:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2020-10-14 00:14:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub [2020-10-14 00:14:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2020-10-14 00:14:12,237 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2020-10-14 00:14:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2020-10-14 00:14:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc_and_test [2020-10-14 00:14:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_negative [2020-10-14 00:14:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2020-10-14 00:14:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2020-10-14 00:14:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2020-10-14 00:14:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_page [2020-10-14 00:14:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2020-10-14 00:14:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2020-10-14 00:14:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure free_page [2020-10-14 00:14:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages_node [2020-10-14 00:14:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2020-10-14 00:14:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_page [2020-10-14 00:14:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-14 00:14:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-14 00:14:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-14 00:14:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure ksize [2020-10-14 00:14:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-14 00:14:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-14 00:14:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2020-10-14 00:14:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2020-10-14 00:14:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2020-10-14 00:14:12,240 INFO L130 BoogieDeclarations]: Found specification of procedure strncat [2020-10-14 00:14:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2020-10-14 00:14:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-10-14 00:14:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2020-10-14 00:14:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure strnicmp [2020-10-14 00:14:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2020-10-14 00:14:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure strnchr [2020-10-14 00:14:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2020-10-14 00:14:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure strstrip [2020-10-14 00:14:12,241 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2020-10-14 00:14:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-14 00:14:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2020-10-14 00:14:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure strpbrk [2020-10-14 00:14:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2020-10-14 00:14:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure strspn [2020-10-14 00:14:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2020-10-14 00:14:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-14 00:14:12,242 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-14 00:14:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure memscan [2020-10-14 00:14:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-14 00:14:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2020-10-14 00:14:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-14 00:14:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-14 00:14:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-14 00:14:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_change_bit [2020-10-14 00:14:12,243 INFO L130 BoogieDeclarations]: Found specification of procedure test_bit [2020-10-14 00:14:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-14 00:14:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2020-10-14 00:14:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure sigfillset [2020-10-14 00:14:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-14 00:14:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure sigaddsetmask [2020-10-14 00:14:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure sigdelsetmask [2020-10-14 00:14:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure sigtestsetmask [2020-10-14 00:14:12,244 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-14 00:14:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-14 00:14:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2020-10-14 00:14:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure need_resched [2020-10-14 00:14:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure dequeue_signal [2020-10-14 00:14:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure yield [2020-10-14 00:14:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure set_current_state [2020-10-14 00:14:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure kill_proc [2020-10-14 00:14:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure recalc_sigpending [2020-10-14 00:14:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2020-10-14 00:14:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtol [2020-10-14 00:14:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoull [2020-10-14 00:14:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoll [2020-10-14 00:14:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-14 00:14:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-14 00:14:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-14 00:14:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure cond_resched [2020-10-14 00:14:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure get_option [2020-10-14 00:14:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure get_options [2020-10-14 00:14:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2020-10-14 00:14:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure __module_get [2020-10-14 00:14:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2020-10-14 00:14:12,247 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2020-10-14 00:14:12,248 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2020-10-14 00:14:12,248 INFO L130 BoogieDeclarations]: Found specification of procedure init_MUTEX [2020-10-14 00:14:12,248 INFO L130 BoogieDeclarations]: Found specification of procedure init_MUTEX_LOCKED [2020-10-14 00:14:12,248 INFO L130 BoogieDeclarations]: Found specification of procedure down [2020-10-14 00:14:12,248 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2020-10-14 00:14:12,248 INFO L130 BoogieDeclarations]: Found specification of procedure down_trylock [2020-10-14 00:14:12,248 INFO L130 BoogieDeclarations]: Found specification of procedure up [2020-10-14 00:14:12,249 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2020-10-14 00:14:12,249 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-14 00:14:12,249 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-14 00:14:12,249 INFO L130 BoogieDeclarations]: Found specification of procedure fasync_helper [2020-10-14 00:14:12,249 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_chrdev_region [2020-10-14 00:14:12,249 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev_region [2020-10-14 00:14:12,249 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2020-10-14 00:14:12,250 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev [2020-10-14 00:14:12,250 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2020-10-14 00:14:12,250 INFO L130 BoogieDeclarations]: Found specification of procedure chrdev_open [2020-10-14 00:14:12,250 INFO L130 BoogieDeclarations]: Found specification of procedure chrdev_show [2020-10-14 00:14:12,250 INFO L130 BoogieDeclarations]: Found specification of procedure register_blkdev [2020-10-14 00:14:12,250 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_blkdev [2020-10-14 00:14:12,250 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2020-10-14 00:14:12,250 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2020-10-14 00:14:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure imajor [2020-10-14 00:14:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2020-10-14 00:14:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure check_disk_change [2020-10-14 00:14:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure nonseekable_open [2020-10-14 00:14:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2020-10-14 00:14:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure set_blocksize [2020-10-14 00:14:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2020-10-14 00:14:12,251 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2020-10-14 00:14:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure request_mem_region [2020-10-14 00:14:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure release_mem_region [2020-10-14 00:14:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure register_reboot_notifier [2020-10-14 00:14:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2020-10-14 00:14:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure machine_restart [2020-10-14 00:14:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure machine_halt [2020-10-14 00:14:12,252 INFO L130 BoogieDeclarations]: Found specification of procedure machine_power_off [2020-10-14 00:14:12,253 INFO L130 BoogieDeclarations]: Found specification of procedure machine_shutdown [2020-10-14 00:14:12,253 INFO L130 BoogieDeclarations]: Found specification of procedure machine_crash_shutdown [2020-10-14 00:14:12,253 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_shutdown_prepare [2020-10-14 00:14:12,253 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_restart [2020-10-14 00:14:12,253 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_halt [2020-10-14 00:14:12,253 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_power_off [2020-10-14 00:14:12,253 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_alt_del [2020-10-14 00:14:12,253 INFO L130 BoogieDeclarations]: Found specification of procedure emergency_restart [2020-10-14 00:14:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2020-10-14 00:14:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2020-10-14 00:14:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2020-10-14 00:14:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2020-10-14 00:14:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-10-14 00:14:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-10-14 00:14:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2020-10-14 00:14:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2020-10-14 00:14:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2020-10-14 00:14:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2020-10-14 00:14:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2020-10-14 00:14:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2020-10-14 00:14:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure inw_p [2020-10-14 00:14:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure outw_p [2020-10-14 00:14:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure inl_p [2020-10-14 00:14:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure outl_p [2020-10-14 00:14:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2020-10-14 00:14:12,256 INFO L130 BoogieDeclarations]: Found specification of procedure outsb [2020-10-14 00:14:12,256 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2020-10-14 00:14:12,256 INFO L130 BoogieDeclarations]: Found specification of procedure outsw [2020-10-14 00:14:12,256 INFO L130 BoogieDeclarations]: Found specification of procedure insl [2020-10-14 00:14:12,256 INFO L130 BoogieDeclarations]: Found specification of procedure outsl [2020-10-14 00:14:12,256 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2020-10-14 00:14:12,256 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2020-10-14 00:14:12,256 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2020-10-14 00:14:12,257 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2020-10-14 00:14:12,257 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2020-10-14 00:14:12,257 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2020-10-14 00:14:12,257 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8_rep [2020-10-14 00:14:12,257 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16_rep [2020-10-14 00:14:12,257 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2020-10-14 00:14:12,257 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8_rep [2020-10-14 00:14:12,257 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16_rep [2020-10-14 00:14:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32_rep [2020-10-14 00:14:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2020-10-14 00:14:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2020-10-14 00:14:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2020-10-14 00:14:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2020-10-14 00:14:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2020-10-14 00:14:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2020-10-14 00:14:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure access_ok [2020-10-14 00:14:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user [2020-10-14 00:14:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure get_user [2020-10-14 00:14:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user [2020-10-14 00:14:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure put_user [2020-10-14 00:14:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-14 00:14:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-14 00:14:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2020-10-14 00:14:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_status [2020-10-14 00:14:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2020-10-14 00:14:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2020-10-14 00:14:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_timer [2020-10-14 00:14:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2020-10-14 00:14:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_on [2020-10-14 00:14:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2020-10-14 00:14:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure zf_write [2020-10-14 00:14:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ioctl [2020-10-14 00:14:12,260 INFO L130 BoogieDeclarations]: Found specification of procedure zf_open [2020-10-14 00:14:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure zf_close [2020-10-14 00:14:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure zf_notify_sys [2020-10-14 00:14:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure zf_show_action [2020-10-14 00:14:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 00:14:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure zf_init [2020-10-14 00:14:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure zf_exit [2020-10-14 00:14:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 00:14:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_init [2020-10-14 00:14:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_alloc [2020-10-14 00:14:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_put [2020-10-14 00:14:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2020-10-14 00:14:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2020-10-14 00:14:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure cd_forget [2020-10-14 00:14:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure call_cdev_functions [2020-10-14 00:14:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure class_create [2020-10-14 00:14:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2020-10-14 00:14:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure class_device_create [2020-10-14 00:14:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure class_device_destroy [2020-10-14 00:14:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-14 00:14:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-14 00:14:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure dev_driver_string [2020-10-14 00:14:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk [2020-10-14 00:14:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure del_gendisk [2020-10-14 00:14:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_disk [2020-10-14 00:14:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure put_disk [2020-10-14 00:14:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure get_disk [2020-10-14 00:14:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2020-10-14 00:14:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure add_disk_randomness [2020-10-14 00:14:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2020-10-14 00:14:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure flush_scheduled_work [2020-10-14 00:14:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_init [2020-10-14 00:14:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-14 00:14:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-14 00:14:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure page_address [2020-10-14 00:14:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2020-10-14 00:14:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2020-10-14 00:14:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2020-10-14 00:14:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2020-10-14 00:14:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2020-10-14 00:14:12,266 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-10-14 00:14:12,266 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-10-14 00:14:12,266 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2020-10-14 00:14:12,266 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2020-10-14 00:14:12,266 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_mask [2020-10-14 00:14:12,266 INFO L130 BoogieDeclarations]: Found specification of procedure cli [2020-10-14 00:14:12,266 INFO L130 BoogieDeclarations]: Found specification of procedure sti [2020-10-14 00:14:12,266 INFO L130 BoogieDeclarations]: Found specification of procedure save_flags [2020-10-14 00:14:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure restore_flags [2020-10-14 00:14:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2020-10-14 00:14:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2020-10-14 00:14:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2020-10-14 00:14:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap_atomic [2020-10-14 00:14:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic_pfn [2020-10-14 00:14:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic_to_page [2020-10-14 00:14:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure __bio_kmap_atomic [2020-10-14 00:14:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure __bio_kunmap_atomic [2020-10-14 00:14:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2020-10-14 00:14:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure bio_cur_sectors [2020-10-14 00:14:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure elv_next_request [2020-10-14 00:14:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure blk_alloc_queue [2020-10-14 00:14:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure blk_init_queue [2020-10-14 00:14:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_make_request [2020-10-14 00:14:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_hardsect_size [2020-10-14 00:14:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure blk_cleanup_queue [2020-10-14 00:14:12,269 INFO L130 BoogieDeclarations]: Found specification of procedure blk_put_queue [2020-10-14 00:14:12,269 INFO L130 BoogieDeclarations]: Found specification of procedure blk_plug_device [2020-10-14 00:14:12,269 INFO L130 BoogieDeclarations]: Found specification of procedure blk_remove_plug [2020-10-14 00:14:12,269 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_dequeue_request [2020-10-14 00:14:12,269 INFO L130 BoogieDeclarations]: Found specification of procedure end_that_request_first [2020-10-14 00:14:12,269 INFO L130 BoogieDeclarations]: Found specification of procedure end_that_request_chunk [2020-10-14 00:14:12,269 INFO L130 BoogieDeclarations]: Found specification of procedure end_that_request_last [2020-10-14 00:14:12,269 INFO L130 BoogieDeclarations]: Found specification of procedure end_request [2020-10-14 00:14:12,270 INFO L130 BoogieDeclarations]: Found specification of procedure blk_complete_request [2020-10-14 00:14:12,270 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_bounce_limit [2020-10-14 00:14:12,270 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_phys_segments [2020-10-14 00:14:12,270 INFO L130 BoogieDeclarations]: Found specification of procedure blk_queue_max_hw_segments [2020-10-14 00:14:12,270 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_map_sg [2020-10-14 00:14:12,270 INFO L130 BoogieDeclarations]: Found specification of procedure call_genhd_functions [2020-10-14 00:14:12,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_present [2020-10-14 00:14:12,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_class [2020-10-14 00:14:12,270 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-10-14 00:14:12,271 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-10-14 00:14:12,271 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2020-10-14 00:14:12,271 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2020-10-14 00:14:12,271 INFO L130 BoogieDeclarations]: Found specification of procedure pci_register_driver [2020-10-14 00:14:12,271 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-10-14 00:14:12,271 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2020-10-14 00:14:12,271 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2020-10-14 00:14:12,271 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2020-10-14 00:14:12,272 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2020-10-14 00:14:12,272 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_region [2020-10-14 00:14:12,272 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2020-10-14 00:14:12,272 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2020-10-14 00:14:12,272 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2020-10-14 00:14:12,272 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2020-10-14 00:14:12,272 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2020-10-14 00:14:12,272 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2020-10-14 00:14:12,273 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2020-10-14 00:14:12,273 INFO L130 BoogieDeclarations]: Found specification of procedure pci_probe_device [2020-10-14 00:14:12,273 INFO L130 BoogieDeclarations]: Found specification of procedure pci_remove_device [2020-10-14 00:14:12,273 INFO L130 BoogieDeclarations]: Found specification of procedure call_pci_functions [2020-10-14 00:14:12,273 INFO L130 BoogieDeclarations]: Found specification of procedure call_interrupt_handler [2020-10-14 00:14:12,273 INFO L130 BoogieDeclarations]: Found specification of procedure call_tasklet_functions [2020-10-14 00:14:12,273 INFO L130 BoogieDeclarations]: Found specification of procedure call_timer_functions [2020-10-14 00:14:12,273 INFO L130 BoogieDeclarations]: Found specification of procedure call_shared_workqueue_functions [2020-10-14 00:14:12,274 INFO L130 BoogieDeclarations]: Found specification of procedure init_kernel [2020-10-14 00:14:12,274 INFO L130 BoogieDeclarations]: Found specification of procedure ddv [2020-10-14 00:14:12,274 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~int [2020-10-14 00:14:12,274 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2020-10-14 00:14:12,274 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~loff_t~0~X~int~TO~~loff_t~0 [2020-10-14 00:14:12,274 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2020-10-14 00:14:12,274 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2020-10-14 00:14:12,274 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-14 00:14:12,275 INFO L130 BoogieDeclarations]: Found specification of procedure create_request [2020-10-14 00:14:12,275 INFO L130 BoogieDeclarations]: Found specification of procedure call_rq_function [2020-10-14 00:14:12,275 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-14 00:14:12,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 00:14:12,275 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-14 00:14:12,275 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~X~$Pointer$~TO~~irqreturn_t~0 [2020-10-14 00:14:12,275 INFO L130 BoogieDeclarations]: Found specification of procedure create_pci_dev [2020-10-14 00:14:12,275 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2020-10-14 00:14:12,276 INFO L130 BoogieDeclarations]: Found specification of procedure get_fixed_request_queue [2020-10-14 00:14:12,276 INFO L130 BoogieDeclarations]: Found specification of procedure create_proc_read_entry [2020-10-14 00:14:12,276 INFO L130 BoogieDeclarations]: Found specification of procedure create_proc_entry [2020-10-14 00:14:12,276 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2020-10-14 00:14:12,276 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2020-10-14 00:14:12,276 INFO L130 BoogieDeclarations]: Found specification of procedure seq_open [2020-10-14 00:14:12,276 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2020-10-14 00:14:12,276 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2020-10-14 00:14:12,277 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release [2020-10-14 00:14:12,277 INFO L130 BoogieDeclarations]: Found specification of procedure seq_escape [2020-10-14 00:14:12,277 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2020-10-14 00:14:12,277 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2020-10-14 00:14:12,277 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2020-10-14 00:14:12,277 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tty_driver [2020-10-14 00:14:12,277 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2020-10-14 00:14:12,277 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_operations [2020-10-14 00:14:12,277 INFO L130 BoogieDeclarations]: Found specification of procedure tty_check_change [2020-10-14 00:14:12,278 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2020-10-14 00:14:12,278 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2020-10-14 00:14:12,278 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_driver [2020-10-14 00:14:12,278 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2020-10-14 00:14:12,278 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wait_until_sent [2020-10-14 00:14:12,278 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2020-10-14 00:14:12,278 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2020-10-14 00:14:12,278 INFO L130 BoogieDeclarations]: Found specification of procedure do_SAK [2020-10-14 00:14:12,279 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2020-10-14 00:14:12,279 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2020-10-14 00:14:12,279 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2020-10-14 00:14:12,279 INFO L130 BoogieDeclarations]: Found specification of procedure tty_ldisc_flush [2020-10-14 00:14:12,279 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2020-10-14 00:14:12,279 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2020-10-14 00:14:12,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 00:14:12,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-14 00:14:12,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-14 00:14:12,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 00:14:27,895 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 00:14:27,895 INFO L295 CfgBuilder]: Removed 12 assume(true) statements. [2020-10-14 00:14:27,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:14:27 BoogieIcfgContainer [2020-10-14 00:14:27,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 00:14:27,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 00:14:27,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 00:14:27,909 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 00:14:27,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:14:09" (1/3) ... [2020-10-14 00:14:27,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b9ef156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:14:27, skipping insertion in model container [2020-10-14 00:14:27,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:11" (2/3) ... [2020-10-14 00:14:27,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b9ef156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:14:27, skipping insertion in model container [2020-10-14 00:14:27,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:14:27" (3/3) ... [2020-10-14 00:14:27,913 INFO L109 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2020-10-14 00:14:27,923 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 00:14:27,932 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 00:14:27,946 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 00:14:27,972 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 00:14:27,972 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 00:14:27,972 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 00:14:27,972 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 00:14:27,973 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 00:14:27,973 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 00:14:27,973 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 00:14:27,973 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 00:14:28,012 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states. [2020-10-14 00:14:28,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-14 00:14:28,019 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:14:28,020 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:14:28,021 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:14:28,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:14:28,027 INFO L82 PathProgramCache]: Analyzing trace with hash -497435453, now seen corresponding path program 1 times [2020-10-14 00:14:28,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:14:28,037 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [318848206] [2020-10-14 00:14:28,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:14:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:28,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:28,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:31,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:31,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-14 00:14:31,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:14:31,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2855 [2020-10-14 00:14:31,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:31,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:31,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:14:31,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 00:14:31,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 00:14:31,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 00:14:32,625 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 445 [2020-10-14 00:14:32,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:14:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:32,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:32,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:32,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:14:32,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:14:32,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-14 00:14:32,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:32,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:32,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:14:32,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:14:32,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:14:32,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:14:32,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:14:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:32,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:32,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:32,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:32,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 00:14:32,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 00:14:32,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 00:14:32,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:32,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:32,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 00:14:32,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 00:14:32,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 00:14:32,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:14:32,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 00:14:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:32,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:32,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:32,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:14:32,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:14:32,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 00:14:32,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:32,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:32,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:14:32,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:14:32,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:14:32,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:14:32,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 00:14:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:32,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:32,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:32,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:14:32,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:14:32,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 00:14:32,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:32,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:32,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:14:32,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:14:32,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:14:32,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:14:33,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 00:14:33,021 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [318848206] [2020-10-14 00:14:33,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 00:14:33,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 00:14:33,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620708333] [2020-10-14 00:14:33,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 00:14:33,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:14:33,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 00:14:33,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:14:33,048 INFO L87 Difference]: Start difference. First operand 713 states. Second operand 5 states. [2020-10-14 00:14:40,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:14:40,422 INFO L93 Difference]: Finished difference Result 1011 states and 1390 transitions. [2020-10-14 00:14:40,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 00:14:40,424 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-14 00:14:40,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:14:40,443 INFO L225 Difference]: With dead ends: 1011 [2020-10-14 00:14:40,444 INFO L226 Difference]: Without dead ends: 526 [2020-10-14 00:14:40,452 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 00:14:40,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2020-10-14 00:14:40,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 461. [2020-10-14 00:14:40,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2020-10-14 00:14:40,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 593 transitions. [2020-10-14 00:14:40,612 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 593 transitions. Word has length 36 [2020-10-14 00:14:40,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:14:40,612 INFO L479 AbstractCegarLoop]: Abstraction has 461 states and 593 transitions. [2020-10-14 00:14:40,612 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 00:14:40,613 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 593 transitions. [2020-10-14 00:14:40,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-14 00:14:40,615 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:14:40,615 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:14:40,615 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 00:14:40,615 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:14:40,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:14:40,616 INFO L82 PathProgramCache]: Analyzing trace with hash -403478081, now seen corresponding path program 1 times [2020-10-14 00:14:40,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:14:40,616 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [927645255] [2020-10-14 00:14:40,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:14:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:40,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:42,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:42,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-14 00:14:42,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:14:42,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1304 [2020-10-14 00:14:42,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:42,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:42,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 00:14:42,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 00:14:42,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 00:14:42,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:14:43,151 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 445 [2020-10-14 00:14:43,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:14:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:43,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:43,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:43,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:14:43,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:14:43,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 328 [2020-10-14 00:14:43,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:43,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:43,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:14:43,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:14:43,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:14:43,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 00:14:43,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:14:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:43,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:43,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:43,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-14 00:14:43,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:14:43,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-14 00:14:43,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:43,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:43,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 00:14:43,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 00:14:43,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 00:14:43,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:14:43,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 00:14:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:43,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:43,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:43,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:14:43,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:14:43,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 00:14:43,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:43,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:43,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:14:43,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:14:43,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:14:43,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:14:43,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 00:14:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:43,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:43,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:43,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:14:43,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:14:43,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 00:14:43,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:43,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:43,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:14:43,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:14:43,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:14:43,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:14:43,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 00:14:43,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [927645255] [2020-10-14 00:14:43,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:14:43,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 00:14:43,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409787694] [2020-10-14 00:14:43,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 00:14:43,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:14:43,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 00:14:43,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:14:43,742 INFO L87 Difference]: Start difference. First operand 461 states and 593 transitions. Second operand 6 states. [2020-10-14 00:14:52,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:14:52,026 INFO L93 Difference]: Finished difference Result 974 states and 1263 transitions. [2020-10-14 00:14:52,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 00:14:52,027 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2020-10-14 00:14:52,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:14:52,038 INFO L225 Difference]: With dead ends: 974 [2020-10-14 00:14:52,038 INFO L226 Difference]: Without dead ends: 528 [2020-10-14 00:14:52,041 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-14 00:14:52,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-10-14 00:14:52,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 463. [2020-10-14 00:14:52,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2020-10-14 00:14:52,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 595 transitions. [2020-10-14 00:14:52,199 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 595 transitions. Word has length 40 [2020-10-14 00:14:52,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:14:52,200 INFO L479 AbstractCegarLoop]: Abstraction has 463 states and 595 transitions. [2020-10-14 00:14:52,200 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-14 00:14:52,200 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 595 transitions. [2020-10-14 00:14:52,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-14 00:14:52,203 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:14:52,203 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 00:14:52,204 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 00:14:52,205 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:14:52,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:14:52,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1209779939, now seen corresponding path program 2 times [2020-10-14 00:14:52,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:14:52,205 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [17336968] [2020-10-14 00:14:52,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:14:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:52,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:53,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:53,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-14 00:14:53,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:14:53,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1669 [2020-10-14 00:14:53,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:53,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:53,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:14:53,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 00:14:53,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 00:14:53,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 00:14:54,930 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2020-10-14 00:14:54,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:14:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:54,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:55,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:55,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:14:55,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:14:55,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-14 00:14:55,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:55,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:55,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:14:55,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:14:55,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:14:55,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:14:55,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:14:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:55,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:55,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:55,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 00:14:55,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:14:55,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 00:14:55,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:55,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:55,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 00:14:55,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 00:14:55,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 00:14:55,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:14:55,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 00:14:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:55,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:55,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:55,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:14:55,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:14:55,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 00:14:55,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:55,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:55,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:14:55,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:14:55,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:14:55,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:14:55,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-14 00:14:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:14:55,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:14:55,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:14:55,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:14:55,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:14:55,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 00:14:55,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:14:55,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:14:55,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:14:55,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:14:55,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:14:55,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:14:55,376 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 00:14:55,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [17336968] [2020-10-14 00:14:55,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:14:55,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 00:14:55,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312104870] [2020-10-14 00:14:55,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 00:14:55,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:14:55,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 00:14:55,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:14:55,379 INFO L87 Difference]: Start difference. First operand 463 states and 595 transitions. Second operand 7 states. [2020-10-14 00:15:03,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:15:03,830 INFO L93 Difference]: Finished difference Result 976 states and 1265 transitions. [2020-10-14 00:15:03,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 00:15:03,831 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2020-10-14 00:15:03,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:15:03,836 INFO L225 Difference]: With dead ends: 976 [2020-10-14 00:15:03,836 INFO L226 Difference]: Without dead ends: 530 [2020-10-14 00:15:03,838 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 00:15:03,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2020-10-14 00:15:03,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 465. [2020-10-14 00:15:03,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2020-10-14 00:15:03,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 597 transitions. [2020-10-14 00:15:03,940 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 597 transitions. Word has length 42 [2020-10-14 00:15:03,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:15:03,941 INFO L479 AbstractCegarLoop]: Abstraction has 465 states and 597 transitions. [2020-10-14 00:15:03,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 00:15:03,941 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 597 transitions. [2020-10-14 00:15:03,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-14 00:15:03,942 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:15:03,942 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:15:03,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 00:15:03,943 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:15:03,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:15:03,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1323215099, now seen corresponding path program 3 times [2020-10-14 00:15:03,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:15:03,944 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [456725804] [2020-10-14 00:15:03,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:15:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:04,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:06,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:06,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-14 00:15:06,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:06,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2691 [2020-10-14 00:15:06,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:06,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:06,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 00:15:06,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 00:15:06,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 00:15:06,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:15:07,676 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2020-10-14 00:15:07,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:15:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:07,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:07,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:07,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:15:07,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:07,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-14 00:15:07,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:07,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:07,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:15:07,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:15:07,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:15:07,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:15:07,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:15:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:07,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:07,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:07,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-14 00:15:07,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:07,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-14 00:15:07,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:07,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:07,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 00:15:07,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 00:15:07,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 00:15:07,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:15:08,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 00:15:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:08,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:08,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:08,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:15:08,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:08,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 00:15:08,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:08,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:08,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:15:08,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:15:08,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:15:08,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:15:08,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 00:15:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:08,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:08,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:08,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:15:08,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:08,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 00:15:08,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:08,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:08,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:15:08,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:15:08,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:15:08,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:15:08,110 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 00:15:08,111 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [456725804] [2020-10-14 00:15:08,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:15:08,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 00:15:08,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751701953] [2020-10-14 00:15:08,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 00:15:08,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:15:08,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 00:15:08,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-14 00:15:08,114 INFO L87 Difference]: Start difference. First operand 465 states and 597 transitions. Second operand 8 states. [2020-10-14 00:15:24,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:15:24,123 INFO L93 Difference]: Finished difference Result 978 states and 1267 transitions. [2020-10-14 00:15:24,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 00:15:24,124 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 44 [2020-10-14 00:15:24,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:15:24,129 INFO L225 Difference]: With dead ends: 978 [2020-10-14 00:15:24,129 INFO L226 Difference]: Without dead ends: 532 [2020-10-14 00:15:24,131 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-14 00:15:24,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2020-10-14 00:15:24,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 467. [2020-10-14 00:15:24,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2020-10-14 00:15:24,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 599 transitions. [2020-10-14 00:15:24,223 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 599 transitions. Word has length 44 [2020-10-14 00:15:24,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:15:24,224 INFO L479 AbstractCegarLoop]: Abstraction has 467 states and 599 transitions. [2020-10-14 00:15:24,224 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 00:15:24,224 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 599 transitions. [2020-10-14 00:15:24,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-14 00:15:24,225 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:15:24,225 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:15:24,225 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 00:15:24,226 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:15:24,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:15:24,226 INFO L82 PathProgramCache]: Analyzing trace with hash 284989785, now seen corresponding path program 4 times [2020-10-14 00:15:24,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:15:24,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [838651960] [2020-10-14 00:15:24,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:15:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:24,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:26,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:26,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 00:15:26,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:26,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2346 [2020-10-14 00:15:26,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:26,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:26,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 00:15:26,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 00:15:26,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 00:15:26,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:15:27,642 WARN L193 SmtUtils]: Spent 924.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2020-10-14 00:15:27,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:15:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:27,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:27,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:27,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:15:27,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:27,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-14 00:15:27,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:27,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:27,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:15:27,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:15:27,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:15:27,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:15:27,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:15:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:27,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:27,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:27,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 00:15:27,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:27,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-14 00:15:27,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:27,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:27,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 00:15:27,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 00:15:27,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 00:15:27,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:15:28,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 00:15:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:28,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:28,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:28,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:15:28,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:28,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 00:15:28,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:28,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:28,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:15:28,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:15:28,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:15:28,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:15:28,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 00:15:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:28,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:28,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:28,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:15:28,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:28,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:15:28,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:28,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:28,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:15:28,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:15:28,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:15:28,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:15:28,051 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 00:15:28,051 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [838651960] [2020-10-14 00:15:28,052 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:15:28,052 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 00:15:28,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879721430] [2020-10-14 00:15:28,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 00:15:28,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:15:28,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 00:15:28,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-14 00:15:28,054 INFO L87 Difference]: Start difference. First operand 467 states and 599 transitions. Second operand 9 states. [2020-10-14 00:15:49,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:15:49,885 INFO L93 Difference]: Finished difference Result 980 states and 1269 transitions. [2020-10-14 00:15:49,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 00:15:49,886 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 46 [2020-10-14 00:15:49,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:15:49,890 INFO L225 Difference]: With dead ends: 980 [2020-10-14 00:15:49,891 INFO L226 Difference]: Without dead ends: 534 [2020-10-14 00:15:49,893 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-14 00:15:49,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2020-10-14 00:15:49,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 469. [2020-10-14 00:15:49,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2020-10-14 00:15:49,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 601 transitions. [2020-10-14 00:15:49,981 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 601 transitions. Word has length 46 [2020-10-14 00:15:49,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:15:49,981 INFO L479 AbstractCegarLoop]: Abstraction has 469 states and 601 transitions. [2020-10-14 00:15:49,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 00:15:49,981 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 601 transitions. [2020-10-14 00:15:49,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-14 00:15:49,982 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:15:49,982 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:15:49,983 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 00:15:49,983 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:15:49,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:15:49,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1017124297, now seen corresponding path program 5 times [2020-10-14 00:15:49,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:15:49,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [957846039] [2020-10-14 00:15:49,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:15:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:50,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:53,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:53,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-14 00:15:53,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:53,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3112 [2020-10-14 00:15:53,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:53,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:53,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 00:15:53,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 00:15:53,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 00:15:53,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:15:54,197 WARN L193 SmtUtils]: Spent 988.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2020-10-14 00:15:54,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:15:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:54,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:54,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:54,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:15:54,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:54,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 00:15:54,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:54,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:54,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:15:54,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:15:54,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:15:54,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:15:54,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:15:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:54,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:54,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:54,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 00:15:54,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:54,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-14 00:15:54,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:54,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:54,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 00:15:54,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 00:15:54,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 00:15:54,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:15:54,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 00:15:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:54,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:54,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:54,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:15:54,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:54,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 00:15:54,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:54,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:54,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:15:54,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:15:54,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:15:54,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:15:54,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 00:15:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:15:54,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:15:54,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:15:54,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:15:54,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:15:54,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 00:15:54,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:15:54,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:15:54,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:15:54,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:15:54,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:15:54,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:15:54,660 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 00:15:54,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [957846039] [2020-10-14 00:15:54,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:15:54,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-14 00:15:54,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782787566] [2020-10-14 00:15:54,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 00:15:54,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:15:54,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 00:15:54,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-14 00:15:54,663 INFO L87 Difference]: Start difference. First operand 469 states and 601 transitions. Second operand 10 states. [2020-10-14 00:16:19,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:16:19,045 INFO L93 Difference]: Finished difference Result 982 states and 1271 transitions. [2020-10-14 00:16:19,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 00:16:19,048 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 48 [2020-10-14 00:16:19,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:16:19,052 INFO L225 Difference]: With dead ends: 982 [2020-10-14 00:16:19,052 INFO L226 Difference]: Without dead ends: 536 [2020-10-14 00:16:19,054 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-14 00:16:19,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2020-10-14 00:16:19,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 471. [2020-10-14 00:16:19,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 471 states. [2020-10-14 00:16:19,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 603 transitions. [2020-10-14 00:16:19,175 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 603 transitions. Word has length 48 [2020-10-14 00:16:19,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:16:19,177 INFO L479 AbstractCegarLoop]: Abstraction has 471 states and 603 transitions. [2020-10-14 00:16:19,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 00:16:19,177 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 603 transitions. [2020-10-14 00:16:19,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-14 00:16:19,180 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:16:19,180 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:16:19,181 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 00:16:19,181 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:16:19,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:16:19,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1781693333, now seen corresponding path program 6 times [2020-10-14 00:16:19,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:16:19,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [321325555] [2020-10-14 00:16:19,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:16:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:16:19,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:16:21,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:16:21,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 00:16:21,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:16:21,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2676 [2020-10-14 00:16:21,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:16:21,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:16:21,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 00:16:21,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 00:16:21,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 00:16:21,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:16:23,120 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 445 [2020-10-14 00:16:23,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:16:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:16:23,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:16:23,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:16:23,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:16:23,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:16:23,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-14 00:16:23,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:16:23,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:16:23,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:16:23,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:16:23,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:16:23,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:16:23,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:16:23,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:16:23,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:16:23,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:16:23,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 00:16:23,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:16:23,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 00:16:23,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:16:23,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:16:23,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 00:16:23,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 00:16:23,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 00:16:23,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:16:23,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 00:16:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:16:23,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:16:23,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:16:23,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:16:23,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:16:23,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 00:16:23,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:16:23,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:16:23,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:16:23,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:16:23,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:16:23,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:16:23,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 00:16:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:16:23,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:16:23,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:16:23,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:16:23,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:16:23,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 00:16:23,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:16:23,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:16:23,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:16:23,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:16:23,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:16:23,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:16:23,504 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 00:16:23,505 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [321325555] [2020-10-14 00:16:23,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:16:23,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 00:16:23,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067310116] [2020-10-14 00:16:23,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 00:16:23,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:16:23,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 00:16:23,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-10-14 00:16:23,507 INFO L87 Difference]: Start difference. First operand 471 states and 603 transitions. Second operand 11 states. [2020-10-14 00:16:32,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:16:32,399 INFO L93 Difference]: Finished difference Result 984 states and 1273 transitions. [2020-10-14 00:16:32,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 00:16:32,400 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 50 [2020-10-14 00:16:32,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:16:32,405 INFO L225 Difference]: With dead ends: 984 [2020-10-14 00:16:32,405 INFO L226 Difference]: Without dead ends: 538 [2020-10-14 00:16:32,407 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-10-14 00:16:32,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2020-10-14 00:16:32,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 473. [2020-10-14 00:16:32,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-10-14 00:16:32,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 605 transitions. [2020-10-14 00:16:32,499 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 605 transitions. Word has length 50 [2020-10-14 00:16:32,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:16:32,500 INFO L479 AbstractCegarLoop]: Abstraction has 473 states and 605 transitions. [2020-10-14 00:16:32,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 00:16:32,500 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 605 transitions. [2020-10-14 00:16:32,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-14 00:16:32,501 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:16:32,501 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:16:32,501 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 00:16:32,501 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:16:32,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:16:32,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1499058829, now seen corresponding path program 7 times [2020-10-14 00:16:32,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:16:32,502 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1211215648] [2020-10-14 00:16:32,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:16:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:16:32,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:16:35,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:16:35,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 00:16:35,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:16:35,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3267 [2020-10-14 00:16:35,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:16:35,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:16:35,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 00:16:35,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 00:16:35,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 00:16:35,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:16:36,846 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2020-10-14 00:16:36,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:16:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:16:36,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:16:36,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:16:36,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:16:36,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:16:36,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-14 00:16:36,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:16:36,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:16:36,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:16:36,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:16:36,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:16:36,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:16:36,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:16:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:16:37,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:16:37,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:16:37,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-14 00:16:37,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:16:37,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-14 00:16:37,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:16:37,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:16:37,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 00:16:37,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 00:16:37,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-14 00:16:37,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:16:37,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 00:16:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:16:37,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:16:37,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:16:37,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:16:37,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:16:37,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 00:16:37,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:16:37,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:16:37,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:16:37,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:16:37,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:16:37,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:16:37,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 00:16:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:16:37,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:16:37,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:16:37,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:16:37,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:16:37,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 00:16:37,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:16:37,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:16:37,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:16:37,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:16:37,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:16:37,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:16:37,362 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 00:16:37,363 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1211215648] [2020-10-14 00:16:37,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:16:37,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-14 00:16:37,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137313622] [2020-10-14 00:16:37,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 00:16:37,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:16:37,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 00:16:37,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2020-10-14 00:16:37,364 INFO L87 Difference]: Start difference. First operand 473 states and 605 transitions. Second operand 12 states. [2020-10-14 00:17:04,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:17:04,395 INFO L93 Difference]: Finished difference Result 986 states and 1275 transitions. [2020-10-14 00:17:04,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 00:17:04,396 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 52 [2020-10-14 00:17:04,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:17:04,400 INFO L225 Difference]: With dead ends: 986 [2020-10-14 00:17:04,401 INFO L226 Difference]: Without dead ends: 540 [2020-10-14 00:17:04,402 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2020-10-14 00:17:04,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2020-10-14 00:17:04,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 475. [2020-10-14 00:17:04,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-10-14 00:17:04,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 607 transitions. [2020-10-14 00:17:04,501 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 607 transitions. Word has length 52 [2020-10-14 00:17:04,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:17:04,501 INFO L479 AbstractCegarLoop]: Abstraction has 475 states and 607 transitions. [2020-10-14 00:17:04,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 00:17:04,502 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 607 transitions. [2020-10-14 00:17:04,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-14 00:17:04,503 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:17:04,503 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:17:04,503 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 00:17:04,503 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:17:04,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:17:04,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1795891247, now seen corresponding path program 8 times [2020-10-14 00:17:04,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:17:04,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [796217127] [2020-10-14 00:17:04,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:17:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:17:04,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:17:08,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:17:08,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-14 00:17:08,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:17:08,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4258 [2020-10-14 00:17:08,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:17:08,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:17:08,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 00:17:08,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 00:17:08,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 00:17:08,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:17:09,852 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 445 [2020-10-14 00:17:09,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:17:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:17:09,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:17:09,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:17:09,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:17:09,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:17:09,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 00:17:09,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:17:09,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:17:09,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:17:09,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:17:09,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:17:09,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:17:09,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:17:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:17:09,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:17:10,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:17:10,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-14 00:17:10,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:17:10,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-10-14 00:17:10,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:17:10,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:17:10,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-14 00:17:10,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 00:17:10,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 00:17:10,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:17:10,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 00:17:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:17:10,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:17:10,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:17:10,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:17:10,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:17:10,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 00:17:10,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:17:10,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:17:10,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:17:10,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:17:10,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:17:10,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:17:10,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 00:17:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:17:10,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:17:10,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:17:10,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:17:10,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:17:10,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 00:17:10,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:17:10,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:17:10,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:17:10,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:17:10,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:17:10,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:17:10,427 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 00:17:10,427 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [796217127] [2020-10-14 00:17:10,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:17:10,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-14 00:17:10,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599931735] [2020-10-14 00:17:10,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 00:17:10,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:17:10,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 00:17:10,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2020-10-14 00:17:10,429 INFO L87 Difference]: Start difference. First operand 475 states and 607 transitions. Second operand 13 states. [2020-10-14 00:17:35,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 00:17:35,309 INFO L93 Difference]: Finished difference Result 988 states and 1277 transitions. [2020-10-14 00:17:35,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 00:17:35,312 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 54 [2020-10-14 00:17:35,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 00:17:35,316 INFO L225 Difference]: With dead ends: 988 [2020-10-14 00:17:35,316 INFO L226 Difference]: Without dead ends: 542 [2020-10-14 00:17:35,318 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2020-10-14 00:17:35,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2020-10-14 00:17:35,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 477. [2020-10-14 00:17:35,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2020-10-14 00:17:35,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 609 transitions. [2020-10-14 00:17:35,409 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 609 transitions. Word has length 54 [2020-10-14 00:17:35,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 00:17:35,409 INFO L479 AbstractCegarLoop]: Abstraction has 477 states and 609 transitions. [2020-10-14 00:17:35,409 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 00:17:35,410 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 609 transitions. [2020-10-14 00:17:35,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-14 00:17:35,410 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 00:17:35,411 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 00:17:35,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 00:17:35,411 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 00:17:35,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 00:17:35,411 INFO L82 PathProgramCache]: Analyzing trace with hash 710963887, now seen corresponding path program 9 times [2020-10-14 00:17:35,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 00:17:35,412 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [271896344] [2020-10-14 00:17:35,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 00:17:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:17:35,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:17:38,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:17:38,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 00:17:38,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:17:38,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3466 [2020-10-14 00:17:38,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:17:38,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:17:38,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 00:17:38,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-14 00:17:38,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 00:17:38,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:17:40,003 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 445 [2020-10-14 00:17:40,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 00:17:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:17:40,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:17:40,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:17:40,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:17:40,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:17:40,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-14 00:17:40,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:17:40,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:17:40,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:17:40,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:17:40,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:17:40,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:17:40,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 00:17:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:17:40,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:17:40,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:17:40,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-14 00:17:40,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:17:40,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-14 00:17:40,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:17:40,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:17:40,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-14 00:17:40,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 00:17:40,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 00:17:40,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:17:40,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 00:17:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:17:40,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:17:40,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:17:40,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:17:40,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:17:40,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 00:17:40,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:17:40,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:17:40,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:17:40,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 00:17:40,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:17:40,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 00:17:40,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 00:17:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 00:17:40,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 00:17:40,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 00:17:40,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 00:17:40,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 00:17:40,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 00:17:40,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 00:17:40,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 00:17:40,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 00:17:40,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 00:17:40,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 00:17:40,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 00:17:40,589 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 00:17:40,589 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [271896344] [2020-10-14 00:17:40,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 00:17:40,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-14 00:17:40,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429387768] [2020-10-14 00:17:40,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-14 00:17:40,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 00:17:40,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-14 00:17:40,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2020-10-14 00:17:40,591 INFO L87 Difference]: Start difference. First operand 477 states and 609 transitions. Second operand 14 states.