./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5b36d44f Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d57db9f03a5170fd6970a4ac4989029ee35a0e85ad6a1c5337395bb7ff185d1b --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 14:56:00,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 14:56:00,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 14:56:00,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 14:56:00,354 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 14:56:00,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 14:56:00,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 14:56:00,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 14:56:00,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 14:56:00,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 14:56:00,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 14:56:00,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 14:56:00,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 14:56:00,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 14:56:00,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 14:56:00,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 14:56:00,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 14:56:00,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 14:56:00,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 14:56:00,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 14:56:00,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 14:56:00,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 14:56:00,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 14:56:00,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 14:56:00,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 14:56:00,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 14:56:00,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 14:56:00,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 14:56:00,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 14:56:00,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 14:56:00,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 14:56:00,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 14:56:00,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 14:56:00,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 14:56:00,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 14:56:00,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 14:56:00,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 14:56:00,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 14:56:00,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 14:56:00,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 14:56:00,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 14:56:00,415 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 14:56:00,443 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 14:56:00,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 14:56:00,444 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 14:56:00,444 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 14:56:00,445 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 14:56:00,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 14:56:00,446 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 14:56:00,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 14:56:00,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 14:56:00,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 14:56:00,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 14:56:00,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 14:56:00,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 14:56:00,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 14:56:00,447 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 14:56:00,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 14:56:00,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 14:56:00,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 14:56:00,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 14:56:00,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 14:56:00,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 14:56:00,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 14:56:00,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 14:56:00,449 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 14:56:00,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 14:56:00,449 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 14:56:00,450 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 14:56:00,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 14:56:00,450 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 14:56:00,450 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d57db9f03a5170fd6970a4ac4989029ee35a0e85ad6a1c5337395bb7ff185d1b [2021-11-07 14:56:00,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 14:56:00,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 14:56:00,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 14:56:00,706 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 14:56:00,708 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 14:56:00,709 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2021-11-07 14:56:00,770 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b5be5cd9/a56b5d66316643228b74fe389ee0117c/FLAG740fda88c [2021-11-07 14:56:01,586 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 14:56:01,588 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2021-11-07 14:56:01,673 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b5be5cd9/a56b5d66316643228b74fe389ee0117c/FLAG740fda88c [2021-11-07 14:56:01,747 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b5be5cd9/a56b5d66316643228b74fe389ee0117c [2021-11-07 14:56:01,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 14:56:01,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 14:56:01,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 14:56:01,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 14:56:01,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 14:56:01,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:56:01" (1/1) ... [2021-11-07 14:56:01,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25d15b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:56:01, skipping insertion in model container [2021-11-07 14:56:01,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:56:01" (1/1) ... [2021-11-07 14:56:01,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 14:56:01,910 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 14:56:05,270 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i[477998,478011] [2021-11-07 14:56:05,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 14:56:05,651 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 14:56:06,240 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i[477998,478011] [2021-11-07 14:56:06,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 14:56:06,326 INFO L208 MainTranslator]: Completed translation [2021-11-07 14:56:06,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:56:06 WrapperNode [2021-11-07 14:56:06,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 14:56:06,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 14:56:06,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 14:56:06,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 14:56:06,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:56:06" (1/1) ... [2021-11-07 14:56:06,459 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:56:06" (1/1) ... [2021-11-07 14:56:13,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 14:56:13,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 14:56:13,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 14:56:13,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 14:56:13,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:56:06" (1/1) ... [2021-11-07 14:56:13,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:56:06" (1/1) ... [2021-11-07 14:56:14,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:56:06" (1/1) ... [2021-11-07 14:56:14,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:56:06" (1/1) ... [2021-11-07 14:56:17,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:56:06" (1/1) ... [2021-11-07 14:56:18,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:56:06" (1/1) ... [2021-11-07 14:56:18,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:56:06" (1/1) ... [2021-11-07 14:56:19,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 14:56:19,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 14:56:19,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 14:56:19,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 14:56:19,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:56:06" (1/1) ... [2021-11-07 14:56:19,636 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 14:56:19,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 14:56:19,654 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 14:56:19,686 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-07 14:56:19,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-07 14:56:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 14:56:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-07 14:56:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-07 14:56:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 14:56:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure isert_release_work [2021-11-07 14:56:19,688 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_release_work [2021-11-07 14:56:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-07 14:56:19,688 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-07 14:56:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 14:56:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 14:56:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-07 14:56:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 14:56:19,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 14:56:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_conn [2021-11-07 14:56:19,689 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_conn [2021-11-07 14:56:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 14:56:19,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 14:56:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-07 14:56:19,689 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-07 14:56:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 14:56:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 14:56:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_conn [2021-11-07 14:56:19,690 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_conn [2021-11-07 14:56:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_send [2021-11-07 14:56:19,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_send [2021-11-07 14:56:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure isert_aborted_task [2021-11-07 14:56:19,690 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_aborted_task [2021-11-07 14:56:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 14:56:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 14:56:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure isert_reg_rdma [2021-11-07 14:56:19,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_reg_rdma [2021-11-07 14:56:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 14:56:19,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 14:56:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure isert_reg_sig_mr [2021-11-07 14:56:19,692 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_reg_sig_mr [2021-11-07 14:56:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure isert_handle_prot_cmd [2021-11-07 14:56:19,692 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_handle_prot_cmd [2021-11-07 14:56:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 14:56:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure isert_fast_reg_mr [2021-11-07 14:56:19,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_fast_reg_mr [2021-11-07 14:56:19,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 14:56:19,693 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-07 14:56:19,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-07 15:00:36,719 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 15:00:36,720 INFO L299 CfgBuilder]: Removed 59958 assume(true) statements. [2021-11-07 15:00:36,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:00:36 BoogieIcfgContainer [2021-11-07 15:00:36,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 15:00:36,764 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 15:00:36,764 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 15:00:36,767 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 15:00:36,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:56:01" (1/3) ... [2021-11-07 15:00:36,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30bdab2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:00:36, skipping insertion in model container [2021-11-07 15:00:36,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:56:06" (2/3) ... [2021-11-07 15:00:36,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30bdab2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:00:36, skipping insertion in model container [2021-11-07 15:00:36,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:00:36" (3/3) ... [2021-11-07 15:00:36,770 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2021-11-07 15:00:36,776 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 15:00:36,777 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 173 error locations. [2021-11-07 15:00:36,943 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 15:00:36,948 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 15:00:36,948 INFO L340 AbstractCegarLoop]: Starting to check reachability of 173 error locations. [2021-11-07 15:00:37,589 INFO L276 IsEmpty]: Start isEmpty. Operand has 54609 states, 53961 states have (on average 1.3806082170456442) internal successors, (74499), 54137 states have internal predecessors, (74499), 460 states have call successors, (460), 14 states have call predecessors, (460), 14 states have return successors, (460), 459 states have call predecessors, (460), 460 states have call successors, (460) [2021-11-07 15:00:37,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-07 15:00:37,596 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:00:37,597 INFO L514 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] [2021-11-07 15:00:37,597 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr150ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 170 more)] === [2021-11-07 15:00:37,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:00:37,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1112610648, now seen corresponding path program 1 times [2021-11-07 15:00:37,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:00:37,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575933357] [2021-11-07 15:00:37,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:00:37,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:00:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:00:38,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:00:38,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:00:38,582 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575933357] [2021-11-07 15:00:38,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575933357] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:00:38,583 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:00:38,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 15:00:38,585 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429570506] [2021-11-07 15:00:38,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:00:38,595 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 15:00:38,595 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:00:38,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 15:00:38,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 15:00:38,682 INFO L87 Difference]: Start difference. First operand has 54609 states, 53961 states have (on average 1.3806082170456442) internal successors, (74499), 54137 states have internal predecessors, (74499), 460 states have call successors, (460), 14 states have call predecessors, (460), 14 states have return successors, (460), 459 states have call predecessors, (460), 460 states have call successors, (460) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:00:40,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:00:40,537 INFO L93 Difference]: Finished difference Result 109214 states and 151293 transitions. [2021-11-07 15:00:40,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 15:00:40,539 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-07 15:00:40,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:00:40,832 INFO L225 Difference]: With dead ends: 109214 [2021-11-07 15:00:40,832 INFO L226 Difference]: Without dead ends: 53702 [2021-11-07 15:00:40,981 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 15:00:40,984 INFO L933 BasicCegarLoop]: 73963 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73963 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 186.02ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-07 15:00:40,986 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 73963 Invalid, 0 Unknown, 0 Unchecked, 186.02ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-07 15:00:41,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53702 states. [2021-11-07 15:00:42,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53702 to 53702. [2021-11-07 15:00:42,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53702 states, 53055 states have (on average 1.3426255772311753) internal successors, (71233), 53230 states have internal predecessors, (71233), 460 states have call successors, (460), 14 states have call predecessors, (460), 14 states have return successors, (460), 459 states have call predecessors, (460), 460 states have call successors, (460) [2021-11-07 15:00:42,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53702 states to 53702 states and 72153 transitions. [2021-11-07 15:00:42,848 INFO L78 Accepts]: Start accepts. Automaton has 53702 states and 72153 transitions. Word has length 36 [2021-11-07 15:00:42,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:00:42,849 INFO L470 AbstractCegarLoop]: Abstraction has 53702 states and 72153 transitions. [2021-11-07 15:00:42,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:00:42,850 INFO L276 IsEmpty]: Start isEmpty. Operand 53702 states and 72153 transitions. [2021-11-07 15:00:42,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-07 15:00:42,854 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:00:42,854 INFO L514 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] [2021-11-07 15:00:42,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 15:00:42,855 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr150ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 170 more)] === [2021-11-07 15:00:42,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:00:42,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1184997206, now seen corresponding path program 1 times [2021-11-07 15:00:42,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:00:42,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375255952] [2021-11-07 15:00:42,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:00:42,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:00:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:00:43,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:00:43,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:00:43,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375255952] [2021-11-07 15:00:43,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375255952] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:00:43,307 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:00:43,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 15:00:43,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175752703] [2021-11-07 15:00:43,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:00:43,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:00:43,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:00:43,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:00:43,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:00:43,313 INFO L87 Difference]: Start difference. First operand 53702 states and 72153 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:00:44,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:00:44,361 INFO L93 Difference]: Finished difference Result 53702 states and 72153 transitions. [2021-11-07 15:00:44,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:00:44,362 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-11-07 15:00:44,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:00:44,537 INFO L225 Difference]: With dead ends: 53702 [2021-11-07 15:00:44,537 INFO L226 Difference]: Without dead ends: 53688 [2021-11-07 15:00:44,562 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.55ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:00:44,563 INFO L933 BasicCegarLoop]: 72132 mSDtfsCounter, 71958 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 71958 SdHoareTripleChecker+Valid, 72255 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 101.13ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.50ms IncrementalHoareTripleChecker+Time [2021-11-07 15:00:44,564 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71958 Valid, 72255 Invalid, 37 Unknown, 0 Unchecked, 101.13ms Time], IncrementalHoareTripleChecker [12 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 47.50ms Time] [2021-11-07 15:00:44,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53688 states. [2021-11-07 15:00:45,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53688 to 53688. [2021-11-07 15:00:45,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53688 states, 53048 states have (on average 1.3425388327552406) internal successors, (71219), 53216 states have internal predecessors, (71219), 460 states have call successors, (460), 14 states have call predecessors, (460), 14 states have return successors, (460), 459 states have call predecessors, (460), 460 states have call successors, (460) [2021-11-07 15:00:45,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53688 states to 53688 states and 72139 transitions. [2021-11-07 15:00:45,859 INFO L78 Accepts]: Start accepts. Automaton has 53688 states and 72139 transitions. Word has length 36 [2021-11-07 15:00:45,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:00:45,860 INFO L470 AbstractCegarLoop]: Abstraction has 53688 states and 72139 transitions. [2021-11-07 15:00:45,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:00:45,860 INFO L276 IsEmpty]: Start isEmpty. Operand 53688 states and 72139 transitions. [2021-11-07 15:00:45,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 15:00:45,863 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:00:45,863 INFO L514 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] [2021-11-07 15:00:45,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 15:00:45,864 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 170 more)] === [2021-11-07 15:00:45,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:00:45,865 INFO L85 PathProgramCache]: Analyzing trace with hash 2084586315, now seen corresponding path program 1 times [2021-11-07 15:00:45,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:00:45,865 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160268942] [2021-11-07 15:00:45,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:00:45,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:00:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:00:46,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:00:46,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:00:46,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160268942] [2021-11-07 15:00:46,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160268942] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:00:46,158 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:00:46,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 15:00:46,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112148313] [2021-11-07 15:00:46,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:00:46,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:00:46,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:00:46,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:00:46,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:00:46,161 INFO L87 Difference]: Start difference. First operand 53688 states and 72139 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:00:48,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:00:48,786 INFO L93 Difference]: Finished difference Result 159567 states and 214471 transitions. [2021-11-07 15:00:48,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:00:48,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-07 15:00:48,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:00:49,382 INFO L225 Difference]: With dead ends: 159567 [2021-11-07 15:00:49,382 INFO L226 Difference]: Without dead ends: 105901 [2021-11-07 15:00:49,495 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.94ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:00:49,495 INFO L933 BasicCegarLoop]: 72584 mSDtfsCounter, 70236 mSDsluCounter, 72068 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 165.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 70236 SdHoareTripleChecker+Valid, 144652 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 436.85ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 215.55ms IncrementalHoareTripleChecker+Time [2021-11-07 15:00:49,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70236 Valid, 144652 Invalid, 47 Unknown, 0 Unchecked, 436.85ms Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 215.55ms Time] [2021-11-07 15:00:49,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105901 states. [2021-11-07 15:00:51,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105901 to 105566. [2021-11-07 15:00:51,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105566 states, 104470 states have (on average 1.343610605915574) internal successors, (140367), 104641 states have internal predecessors, (140367), 902 states have call successors, (902), 28 states have call predecessors, (902), 28 states have return successors, (902), 900 states have call predecessors, (902), 902 states have call successors, (902) [2021-11-07 15:00:51,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105566 states to 105566 states and 142171 transitions. [2021-11-07 15:00:51,954 INFO L78 Accepts]: Start accepts. Automaton has 105566 states and 142171 transitions. Word has length 37 [2021-11-07 15:00:51,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:00:51,955 INFO L470 AbstractCegarLoop]: Abstraction has 105566 states and 142171 transitions. [2021-11-07 15:00:51,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:00:51,955 INFO L276 IsEmpty]: Start isEmpty. Operand 105566 states and 142171 transitions. [2021-11-07 15:00:51,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 15:00:51,956 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:00:51,956 INFO L514 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] [2021-11-07 15:00:51,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 15:00:51,957 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr151ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 170 more)] === [2021-11-07 15:00:51,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:00:51,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1919976399, now seen corresponding path program 1 times [2021-11-07 15:00:51,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:00:51,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970210825] [2021-11-07 15:00:51,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:00:51,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:00:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:00:52,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:00:52,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:00:52,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970210825] [2021-11-07 15:00:52,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970210825] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:00:52,267 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:00:52,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 15:00:52,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363213197] [2021-11-07 15:00:52,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:00:52,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:00:52,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:00:52,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:00:52,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:00:52,268 INFO L87 Difference]: Start difference. First operand 105566 states and 142171 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:00:53,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:00:53,919 INFO L93 Difference]: Finished difference Result 105566 states and 142171 transitions. [2021-11-07 15:00:53,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:00:53,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-07 15:00:53,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:00:54,250 INFO L225 Difference]: With dead ends: 105566 [2021-11-07 15:00:54,251 INFO L226 Difference]: Without dead ends: 105564 [2021-11-07 15:00:54,301 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.98ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:00:54,302 INFO L933 BasicCegarLoop]: 72136 mSDtfsCounter, 72102 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 72102 SdHoareTripleChecker+Valid, 72136 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 98.00ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.45ms IncrementalHoareTripleChecker+Time [2021-11-07 15:00:54,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72102 Valid, 72136 Invalid, 1 Unknown, 0 Unchecked, 98.00ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 1.45ms Time] [2021-11-07 15:00:54,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105564 states. [2021-11-07 15:00:56,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105564 to 105564. [2021-11-07 15:00:56,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105564 states, 104469 states have (on average 1.3436043228134662) internal successors, (140365), 104639 states have internal predecessors, (140365), 902 states have call successors, (902), 28 states have call predecessors, (902), 28 states have return successors, (902), 900 states have call predecessors, (902), 902 states have call successors, (902) [2021-11-07 15:00:57,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105564 states to 105564 states and 142169 transitions. [2021-11-07 15:00:57,060 INFO L78 Accepts]: Start accepts. Automaton has 105564 states and 142169 transitions. Word has length 37 [2021-11-07 15:00:57,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 15:00:57,060 INFO L470 AbstractCegarLoop]: Abstraction has 105564 states and 142169 transitions. [2021-11-07 15:00:57,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:00:57,063 INFO L276 IsEmpty]: Start isEmpty. Operand 105564 states and 142169 transitions. [2021-11-07 15:00:57,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-07 15:00:57,064 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 15:00:57,064 INFO L514 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] [2021-11-07 15:00:57,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 15:00:57,064 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting isert_release_workErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 170 more)] === [2021-11-07 15:00:57,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 15:00:57,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1976731272, now seen corresponding path program 1 times [2021-11-07 15:00:57,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 15:00:57,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189582151] [2021-11-07 15:00:57,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 15:00:57,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 15:00:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 15:00:57,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 15:00:57,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 15:00:57,381 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189582151] [2021-11-07 15:00:57,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189582151] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 15:00:57,382 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 15:00:57,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 15:00:57,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337620065] [2021-11-07 15:00:57,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 15:00:57,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 15:00:57,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 15:00:57,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 15:00:57,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:00:57,384 INFO L87 Difference]: Start difference. First operand 105564 states and 142169 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 15:00:59,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 15:00:59,590 INFO L93 Difference]: Finished difference Result 105564 states and 142169 transitions. [2021-11-07 15:00:59,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 15:00:59,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2021-11-07 15:00:59,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 15:00:59,887 INFO L225 Difference]: With dead ends: 105564 [2021-11-07 15:00:59,887 INFO L226 Difference]: Without dead ends: 105416 [2021-11-07 15:00:59,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.24ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 15:00:59,932 INFO L933 BasicCegarLoop]: 71915 mSDtfsCounter, 71312 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 425.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 71312 SdHoareTripleChecker+Valid, 72257 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 72.73ms SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 518.39ms IncrementalHoareTripleChecker+Time [2021-11-07 15:00:59,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71312 Valid, 72257 Invalid, 445 Unknown, 0 Unchecked, 72.73ms Time], IncrementalHoareTripleChecker [148 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 518.39ms Time] [2021-11-07 15:01:00,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105416 states.