./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--pcmcia--pcmcia.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 173e3943 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--pcmcia--pcmcia.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 defe568d3ecd4be058b114d2d7ea2aab8a7b360536dba6f49b11be810e3fc79e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 16:52:32,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 16:52:32,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 16:52:32,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 16:52:32,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 16:52:32,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 16:52:32,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 16:52:32,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 16:52:32,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 16:52:32,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 16:52:32,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 16:52:32,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 16:52:32,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 16:52:32,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 16:52:32,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 16:52:32,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 16:52:32,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 16:52:32,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 16:52:32,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 16:52:32,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 16:52:32,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 16:52:32,835 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 16:52:32,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 16:52:32,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 16:52:32,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 16:52:32,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 16:52:32,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 16:52:32,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 16:52:32,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 16:52:32,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 16:52:32,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 16:52:32,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 16:52:32,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 16:52:32,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 16:52:32,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 16:52:32,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 16:52:32,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 16:52:32,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 16:52:32,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 16:52:32,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 16:52:32,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 16:52:32,852 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-06 16:52:32,881 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 16:52:32,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 16:52:32,882 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 16:52:32,882 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 16:52:32,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 16:52:32,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 16:52:32,884 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 16:52:32,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 16:52:32,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 16:52:32,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 16:52:32,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 16:52:32,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 16:52:32,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 16:52:32,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 16:52:32,885 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 16:52:32,885 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 16:52:32,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 16:52:32,886 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 16:52:32,886 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 16:52:32,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 16:52:32,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 16:52:32,886 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 16:52:32,886 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 16:52:32,887 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 16:52:32,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 16:52:32,887 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 16:52:32,887 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 16:52:32,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 16:52:32,888 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 16:52:32,888 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> defe568d3ecd4be058b114d2d7ea2aab8a7b360536dba6f49b11be810e3fc79e [2021-11-06 16:52:33,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 16:52:33,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 16:52:33,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 16:52:33,076 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 16:52:33,077 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 16:52:33,078 INFO L432 ainManager$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--pcmcia--pcmcia.ko-entry_point.cil.out.i [2021-11-06 16:52:33,128 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d0e24546/f39c8e02f4ff4522a757877e1a2be01d/FLAGcef0c136c [2021-11-06 16:52:33,825 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 16:52:33,826 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--pcmcia--pcmcia.ko-entry_point.cil.out.i [2021-11-06 16:52:33,871 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d0e24546/f39c8e02f4ff4522a757877e1a2be01d/FLAGcef0c136c [2021-11-06 16:52:33,936 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d0e24546/f39c8e02f4ff4522a757877e1a2be01d [2021-11-06 16:52:33,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 16:52:33,940 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 16:52:33,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 16:52:33,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 16:52:33,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 16:52:33,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 04:52:33" (1/1) ... [2021-11-06 16:52:33,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d84e4b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:52:33, skipping insertion in model container [2021-11-06 16:52:33,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 04:52:33" (1/1) ... [2021-11-06 16:52:33,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 16:52:34,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 16:52:36,385 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--pcmcia--pcmcia.ko-entry_point.cil.out.i[443384,443397] [2021-11-06 16:52:36,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 16:52:36,608 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 16:52:36,956 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--pcmcia--pcmcia.ko-entry_point.cil.out.i[443384,443397] [2021-11-06 16:52:36,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 16:52:37,067 INFO L208 MainTranslator]: Completed translation [2021-11-06 16:52:37,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:52:37 WrapperNode [2021-11-06 16:52:37,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 16:52:37,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 16:52:37,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 16:52:37,070 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 16:52:37,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:52:37" (1/1) ... [2021-11-06 16:52:37,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:52:37" (1/1) ... [2021-11-06 16:52:37,604 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 16:52:37,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 16:52:37,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 16:52:37,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 16:52:37,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:52:37" (1/1) ... [2021-11-06 16:52:37,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:52:37" (1/1) ... [2021-11-06 16:52:37,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:52:37" (1/1) ... [2021-11-06 16:52:37,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:52:37" (1/1) ... [2021-11-06 16:52:38,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:52:37" (1/1) ... [2021-11-06 16:52:38,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:52:37" (1/1) ... [2021-11-06 16:52:38,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:52:37" (1/1) ... [2021-11-06 16:52:38,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 16:52:38,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 16:52:38,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 16:52:38,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 16:52:38,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:52:37" (1/1) ... [2021-11-06 16:52:38,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 16:52:38,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 16:52:38,373 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) [2021-11-06 16:52:38,422 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 [2021-11-06 16:52:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-06 16:52:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_do_loop_tuple [2021-11-06 16:52:38,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_do_loop_tuple [2021-11-06 16:52:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_probe [2021-11-06 16:52:38,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_probe [2021-11-06 16:52:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-06 16:52:38,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-11-06 16:52:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_load_firmware [2021-11-06 16:52:38,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_load_firmware [2021-11-06 16:52:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_get_next_tuple [2021-11-06 16:52:38,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_get_next_tuple [2021-11-06 16:52:38,462 INFO L130 BoogieDeclarations]: Found specification of procedure read_cis_cache [2021-11-06 16:52:38,463 INFO L138 BoogieDeclarations]: Found implementation of procedure read_cis_cache [2021-11-06 16:52:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 16:52:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-11-06 16:52:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 16:52:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_requery_callback [2021-11-06 16:52:38,463 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_requery_callback [2021-11-06 16:52:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_validate_mem [2021-11-06 16:52:38,463 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_validate_mem [2021-11-06 16:52:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_early_resume [2021-11-06 16:52:38,463 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_early_resume [2021-11-06 16:52:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure follow_link [2021-11-06 16:52:38,463 INFO L138 BoogieDeclarations]: Found implementation of procedure follow_link [2021-11-06 16:52:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-06 16:52:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-06 16:52:38,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 16:52:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_read_cis_mem [2021-11-06 16:52:38,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_read_cis_mem [2021-11-06 16:52:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_card_add [2021-11-06 16:52:38,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_card_add [2021-11-06 16:52:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_query [2021-11-06 16:52:38,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_query [2021-11-06 16:52:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_resume_callback [2021-11-06 16:52:38,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_resume_callback [2021-11-06 16:52:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_enable_device [2021-11-06 16:52:38,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_enable_device [2021-11-06 16:52:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-11-06 16:52:38,464 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-11-06 16:52:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_get_first_tuple [2021-11-06 16:52:38,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_get_first_tuple [2021-11-06 16:52:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 16:52:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_release_dev [2021-11-06 16:52:38,465 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_release_dev [2021-11-06 16:52:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_do_loop_config [2021-11-06 16:52:38,465 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_do_loop_config [2021-11-06 16:52:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 16:52:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-06 16:52:38,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-06 16:52:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-06 16:52:38,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-06 16:52:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_fixup_iowidth [2021-11-06 16:52:38,465 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_fixup_iowidth [2021-11-06 16:52:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure set_cis_map [2021-11-06 16:52:38,465 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cis_map [2021-11-06 16:52:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_remove [2021-11-06 16:52:38,465 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_remove [2021-11-06 16:52:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 16:52:38,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 16:52:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-11-06 16:52:38,465 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-11-06 16:52:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-06 16:52:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-06 16:52:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_devmatch [2021-11-06 16:52:38,466 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_devmatch [2021-11-06 16:52:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_get_mac_from_cis [2021-11-06 16:52:38,466 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_get_mac_from_cis [2021-11-06 16:52:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_add [2021-11-06 16:52:38,466 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_add [2021-11-06 16:52:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_get_tuple_data [2021-11-06 16:52:38,466 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_get_tuple_data [2021-11-06 16:52:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 16:52:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 16:52:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_disable_device [2021-11-06 16:52:38,466 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_disable_device [2021-11-06 16:52:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-06 16:52:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_release_configuration [2021-11-06 16:52:38,466 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_release_configuration [2021-11-06 16:52:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_release_window [2021-11-06 16:52:38,466 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_release_window [2021-11-06 16:52:38,467 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_device_add [2021-11-06 16:52:38,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_device_add [2021-11-06 16:52:38,467 INFO L130 BoogieDeclarations]: Found specification of procedure runtime_resume [2021-11-06 16:52:38,467 INFO L138 BoogieDeclarations]: Found implementation of procedure runtime_resume [2021-11-06 16:52:38,467 INFO L130 BoogieDeclarations]: Found specification of procedure verify_cis_cache [2021-11-06 16:52:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure verify_cis_cache [2021-11-06 16:52:38,468 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_validate_cis [2021-11-06 16:52:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_validate_cis [2021-11-06 16:52:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 16:52:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_loop_tuple [2021-11-06 16:52:38,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_loop_tuple [2021-11-06 16:52:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_tuple [2021-11-06 16:52:38,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_tuple [2021-11-06 16:52:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_requery [2021-11-06 16:52:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_requery [2021-11-06 16:52:38,470 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_suspend_callback [2021-11-06 16:52:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_suspend_callback [2021-11-06 16:52:38,470 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_bus_match [2021-11-06 16:52:38,470 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_bus_match [2021-11-06 16:52:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_dev_suspend [2021-11-06 16:52:38,471 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_dev_suspend [2021-11-06 16:52:38,471 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_loop_config [2021-11-06 16:52:38,471 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_loop_config [2021-11-06 16:52:38,472 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_write_cis_mem [2021-11-06 16:52:38,472 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_write_cis_mem [2021-11-06 16:52:38,472 INFO L130 BoogieDeclarations]: Found specification of procedure runtime_suspend [2021-11-06 16:52:38,472 INFO L138 BoogieDeclarations]: Found implementation of procedure runtime_suspend [2021-11-06 16:52:38,472 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-06 16:52:38,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-06 16:52:38,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 16:52:38,473 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-06 16:52:38,473 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_dev_resume [2021-11-06 16:52:38,473 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_dev_resume [2021-11-06 16:52:38,473 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_read_tuple [2021-11-06 16:52:38,473 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_read_tuple [2021-11-06 16:54:05,268 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 16:54:05,269 INFO L299 CfgBuilder]: Removed 2846 assume(true) statements. [2021-11-06 16:54:05,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 04:54:05 BoogieIcfgContainer [2021-11-06 16:54:05,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 16:54:05,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 16:54:05,274 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 16:54:05,277 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 16:54:05,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 04:52:33" (1/3) ... [2021-11-06 16:54:05,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fca859a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 04:54:05, skipping insertion in model container [2021-11-06 16:54:05,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 04:52:37" (2/3) ... [2021-11-06 16:54:05,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fca859a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 04:54:05, skipping insertion in model container [2021-11-06 16:54:05,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 04:54:05" (3/3) ... [2021-11-06 16:54:05,279 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia.ko-entry_point.cil.out.i [2021-11-06 16:54:05,282 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 16:54:05,282 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 140 error locations. [2021-11-06 16:54:05,326 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 16:54:05,330 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 [2021-11-06 16:54:05,330 INFO L340 AbstractCegarLoop]: Starting to check reachability of 140 error locations. [2021-11-06 16:54:05,396 INFO L276 IsEmpty]: Start isEmpty. Operand has 4257 states, 3930 states have (on average 1.473791348600509) internal successors, (5792), 4073 states have internal predecessors, (5792), 138 states have call successors, (138), 48 states have call predecessors, (138), 48 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2021-11-06 16:54:05,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-06 16:54:05,410 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:54:05,410 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:54:05,411 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting runtime_suspendErr0ASSERT_VIOLATIONERROR_FUNCTION === [runtime_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, runtime_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION (and 137 more)] === [2021-11-06 16:54:05,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:54:05,415 INFO L85 PathProgramCache]: Analyzing trace with hash -385647970, now seen corresponding path program 1 times [2021-11-06 16:54:05,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:54:05,421 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144399672] [2021-11-06 16:54:05,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:54:05,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:54:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:54:06,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 16:54:06,330 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:54:06,330 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144399672] [2021-11-06 16:54:06,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144399672] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 16:54:06,331 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 16:54:06,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 16:54:06,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464114329] [2021-11-06 16:54:06,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 16:54:06,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:54:06,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 16:54:06,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 16:54:06,359 INFO L87 Difference]: Start difference. First operand has 4257 states, 3930 states have (on average 1.473791348600509) internal successors, (5792), 4073 states have internal predecessors, (5792), 138 states have call successors, (138), 48 states have call predecessors, (138), 48 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) Second operand has 2 states, 2 states have (on average 93.5) internal successors, (187), 2 states have internal predecessors, (187), 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) [2021-11-06 16:54:06,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:54:06,552 INFO L93 Difference]: Finished difference Result 8510 states and 12269 transitions. [2021-11-06 16:54:06,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 16:54:06,554 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 93.5) internal successors, (187), 2 states have internal predecessors, (187), 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 188 [2021-11-06 16:54:06,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:54:06,587 INFO L225 Difference]: With dead ends: 8510 [2021-11-06 16:54:06,587 INFO L226 Difference]: Without dead ends: 4234 [2021-11-06 16:54:06,623 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 16:54:06,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4234 states. [2021-11-06 16:54:06,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4234 to 4234. [2021-11-06 16:54:06,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4234 states, 3908 states have (on average 1.4160696008188332) internal successors, (5534), 4050 states have internal predecessors, (5534), 138 states have call successors, (138), 48 states have call predecessors, (138), 48 states have return successors, (138), 136 states have call predecessors, (138), 138 states have call successors, (138) [2021-11-06 16:54:06,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4234 states to 4234 states and 5810 transitions. [2021-11-06 16:54:06,816 INFO L78 Accepts]: Start accepts. Automaton has 4234 states and 5810 transitions. Word has length 188 [2021-11-06 16:54:06,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:54:06,816 INFO L470 AbstractCegarLoop]: Abstraction has 4234 states and 5810 transitions. [2021-11-06 16:54:06,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 93.5) internal successors, (187), 2 states have internal predecessors, (187), 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) [2021-11-06 16:54:06,817 INFO L276 IsEmpty]: Start isEmpty. Operand 4234 states and 5810 transitions. [2021-11-06 16:54:06,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-11-06 16:54:06,819 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:54:06,819 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:54:06,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 16:54:06,820 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting runtime_suspendErr0ASSERT_VIOLATIONERROR_FUNCTION === [runtime_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, runtime_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION (and 137 more)] === [2021-11-06 16:54:06,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:54:06,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1090657564, now seen corresponding path program 1 times [2021-11-06 16:54:06,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:54:06,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617742734] [2021-11-06 16:54:06,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:54:06,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:54:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:54:07,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 16:54:07,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:54:07,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617742734] [2021-11-06 16:54:07,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617742734] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 16:54:07,473 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 16:54:07,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 16:54:07,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953517605] [2021-11-06 16:54:07,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 16:54:07,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:54:07,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 16:54:07,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 16:54:07,477 INFO L87 Difference]: Start difference. First operand 4234 states and 5810 transitions. Second operand has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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) [2021-11-06 16:54:07,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:54:07,865 INFO L93 Difference]: Finished difference Result 12322 states and 17029 transitions. [2021-11-06 16:54:07,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 16:54:07,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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 188 [2021-11-06 16:54:07,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:54:07,911 INFO L225 Difference]: With dead ends: 12322 [2021-11-06 16:54:07,912 INFO L226 Difference]: Without dead ends: 8263 [2021-11-06 16:54:07,936 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 16:54:07,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8263 states. [2021-11-06 16:54:08,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8263 to 7943. [2021-11-06 16:54:08,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7943 states, 7433 states have (on average 1.4345486344679133) internal successors, (10663), 7578 states have internal predecessors, (10663), 274 states have call successors, (274), 96 states have call predecessors, (274), 96 states have return successors, (274), 270 states have call predecessors, (274), 274 states have call successors, (274) [2021-11-06 16:54:08,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7943 states to 7943 states and 11211 transitions. [2021-11-06 16:54:08,116 INFO L78 Accepts]: Start accepts. Automaton has 7943 states and 11211 transitions. Word has length 188 [2021-11-06 16:54:08,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:54:08,117 INFO L470 AbstractCegarLoop]: Abstraction has 7943 states and 11211 transitions. [2021-11-06 16:54:08,117 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.333333333333336) internal successors, (187), 3 states have internal predecessors, (187), 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) [2021-11-06 16:54:08,117 INFO L276 IsEmpty]: Start isEmpty. Operand 7943 states and 11211 transitions. [2021-11-06 16:54:08,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-11-06 16:54:08,119 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:54:08,119 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:54:08,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 16:54:08,120 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting pcmcia_bus_matchErr0ASSERT_VIOLATIONERROR_FUNCTION === [runtime_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, runtime_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION (and 137 more)] === [2021-11-06 16:54:08,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:54:08,120 INFO L85 PathProgramCache]: Analyzing trace with hash 2107347159, now seen corresponding path program 1 times [2021-11-06 16:54:08,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:54:08,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572955930] [2021-11-06 16:54:08,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:54:08,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:54:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:54:08,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 16:54:08,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:54:08,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572955930] [2021-11-06 16:54:08,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572955930] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 16:54:08,669 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 16:54:08,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 16:54:08,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807569796] [2021-11-06 16:54:08,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 16:54:08,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:54:08,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 16:54:08,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 16:54:08,672 INFO L87 Difference]: Start difference. First operand 7943 states and 11211 transitions. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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) [2021-11-06 16:54:09,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:54:09,240 INFO L93 Difference]: Finished difference Result 23293 states and 32979 transitions. [2021-11-06 16:54:09,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 16:54:09,240 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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 189 [2021-11-06 16:54:09,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:54:09,334 INFO L225 Difference]: With dead ends: 23293 [2021-11-06 16:54:09,335 INFO L226 Difference]: Without dead ends: 15525 [2021-11-06 16:54:09,381 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 16:54:09,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15525 states. [2021-11-06 16:54:09,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15525 to 15210. [2021-11-06 16:54:09,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15210 states, 14346 states have (on average 1.4429109159347553) internal successors, (20700), 14497 states have internal predecessors, (20700), 532 states have call successors, (532), 192 states have call predecessors, (532), 192 states have return successors, (532), 524 states have call predecessors, (532), 532 states have call successors, (532) [2021-11-06 16:54:09,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15210 states to 15210 states and 21764 transitions. [2021-11-06 16:54:09,749 INFO L78 Accepts]: Start accepts. Automaton has 15210 states and 21764 transitions. Word has length 189 [2021-11-06 16:54:09,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:54:09,750 INFO L470 AbstractCegarLoop]: Abstraction has 15210 states and 21764 transitions. [2021-11-06 16:54:09,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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) [2021-11-06 16:54:09,751 INFO L276 IsEmpty]: Start isEmpty. Operand 15210 states and 21764 transitions. [2021-11-06 16:54:09,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-11-06 16:54:09,753 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:54:09,753 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:54:09,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-06 16:54:09,757 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [runtime_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, runtime_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION (and 137 more)] === [2021-11-06 16:54:09,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:54:09,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1080281859, now seen corresponding path program 1 times [2021-11-06 16:54:09,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:54:09,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094499940] [2021-11-06 16:54:09,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:54:09,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:54:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:54:10,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 16:54:10,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:54:10,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094499940] [2021-11-06 16:54:10,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094499940] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 16:54:10,254 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 16:54:10,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 16:54:10,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448287016] [2021-11-06 16:54:10,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 16:54:10,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:54:10,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 16:54:10,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 16:54:10,258 INFO L87 Difference]: Start difference. First operand 15210 states and 21764 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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) [2021-11-06 16:54:13,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:54:13,199 INFO L93 Difference]: Finished difference Result 45188 states and 64827 transitions. [2021-11-06 16:54:13,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 16:54:13,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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 189 [2021-11-06 16:54:13,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:54:13,306 INFO L225 Difference]: With dead ends: 45188 [2021-11-06 16:54:13,306 INFO L226 Difference]: Without dead ends: 30153 [2021-11-06 16:54:13,354 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 16:54:13,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30153 states. [2021-11-06 16:54:13,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30153 to 29885. [2021-11-06 16:54:13,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29885 states, 28297 states have (on average 1.4477859843799696) internal successors, (40968), 28460 states have internal predecessors, (40968), 1064 states have call successors, (1064), 384 states have call predecessors, (1064), 384 states have return successors, (1064), 1048 states have call predecessors, (1064), 1064 states have call successors, (1064) [2021-11-06 16:54:13,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29885 states to 29885 states and 43096 transitions. [2021-11-06 16:54:13,989 INFO L78 Accepts]: Start accepts. Automaton has 29885 states and 43096 transitions. Word has length 189 [2021-11-06 16:54:13,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:54:13,990 INFO L470 AbstractCegarLoop]: Abstraction has 29885 states and 43096 transitions. [2021-11-06 16:54:13,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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) [2021-11-06 16:54:13,990 INFO L276 IsEmpty]: Start isEmpty. Operand 29885 states and 43096 transitions. [2021-11-06 16:54:13,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-06 16:54:13,991 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:54:13,991 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:54:13,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-06 16:54:13,994 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [runtime_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, runtime_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION (and 137 more)] === [2021-11-06 16:54:13,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:54:13,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1405520493, now seen corresponding path program 1 times [2021-11-06 16:54:13,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:54:13,995 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409401943] [2021-11-06 16:54:13,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:54:13,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:54:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:54:14,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 16:54:14,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:54:14,574 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409401943] [2021-11-06 16:54:14,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409401943] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 16:54:14,574 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 16:54:14,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 16:54:14,574 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564308979] [2021-11-06 16:54:14,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 16:54:14,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:54:14,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 16:54:14,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 16:54:14,575 INFO L87 Difference]: Start difference. First operand 29885 states and 43096 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 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) [2021-11-06 16:54:14,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:54:14,902 INFO L93 Difference]: Finished difference Result 29885 states and 43096 transitions. [2021-11-06 16:54:14,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 16:54:14,902 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 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 193 [2021-11-06 16:54:14,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:54:15,007 INFO L225 Difference]: With dead ends: 29885 [2021-11-06 16:54:15,007 INFO L226 Difference]: Without dead ends: 29883 [2021-11-06 16:54:15,030 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 16:54:15,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29883 states. [2021-11-06 16:54:15,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29883 to 29883. [2021-11-06 16:54:15,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29883 states, 28296 states have (on average 1.4477664687588352) internal successors, (40966), 28458 states have internal predecessors, (40966), 1064 states have call successors, (1064), 384 states have call predecessors, (1064), 384 states have return successors, (1064), 1048 states have call predecessors, (1064), 1064 states have call successors, (1064) [2021-11-06 16:54:15,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29883 states to 29883 states and 43094 transitions. [2021-11-06 16:54:15,903 INFO L78 Accepts]: Start accepts. Automaton has 29883 states and 43094 transitions. Word has length 193 [2021-11-06 16:54:15,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:54:15,903 INFO L470 AbstractCegarLoop]: Abstraction has 29883 states and 43094 transitions. [2021-11-06 16:54:15,903 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 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) [2021-11-06 16:54:15,904 INFO L276 IsEmpty]: Start isEmpty. Operand 29883 states and 43094 transitions. [2021-11-06 16:54:15,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-06 16:54:15,905 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:54:15,905 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:54:15,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-06 16:54:15,906 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [runtime_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, runtime_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION (and 137 more)] === [2021-11-06 16:54:15,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:54:15,906 INFO L85 PathProgramCache]: Analyzing trace with hash 432181476, now seen corresponding path program 1 times [2021-11-06 16:54:15,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:54:15,907 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220529821] [2021-11-06 16:54:15,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:54:15,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:54:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:54:16,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 16:54:16,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:54:16,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220529821] [2021-11-06 16:54:16,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220529821] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 16:54:16,475 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 16:54:16,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 16:54:16,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593371766] [2021-11-06 16:54:16,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 16:54:16,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:54:16,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 16:54:16,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 16:54:16,477 INFO L87 Difference]: Start difference. First operand 29883 states and 43094 transitions. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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) [2021-11-06 16:54:17,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:54:17,591 INFO L93 Difference]: Finished difference Result 89053 states and 128599 transitions. [2021-11-06 16:54:17,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 16:54:17,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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 194 [2021-11-06 16:54:17,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:54:18,025 INFO L225 Difference]: With dead ends: 89053 [2021-11-06 16:54:18,025 INFO L226 Difference]: Without dead ends: 59345 [2021-11-06 16:54:18,123 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 16:54:18,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59345 states. [2021-11-06 16:54:19,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59345 to 59031. [2021-11-06 16:54:19,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59031 states, 55996 states have (on average 1.4507821987284806) internal successors, (81238), 56182 states have internal predecessors, (81238), 2128 states have call successors, (2128), 768 states have call predecessors, (2128), 768 states have return successors, (2128), 2096 states have call predecessors, (2128), 2128 states have call successors, (2128) [2021-11-06 16:54:19,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59031 states to 59031 states and 85494 transitions. [2021-11-06 16:54:19,427 INFO L78 Accepts]: Start accepts. Automaton has 59031 states and 85494 transitions. Word has length 194 [2021-11-06 16:54:19,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:54:19,428 INFO L470 AbstractCegarLoop]: Abstraction has 59031 states and 85494 transitions. [2021-11-06 16:54:19,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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) [2021-11-06 16:54:19,431 INFO L276 IsEmpty]: Start isEmpty. Operand 59031 states and 85494 transitions. [2021-11-06 16:54:19,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-06 16:54:19,432 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:54:19,432 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:54:19,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-06 16:54:19,433 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [runtime_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, runtime_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION (and 137 more)] === [2021-11-06 16:54:19,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:54:19,433 INFO L85 PathProgramCache]: Analyzing trace with hash -974546458, now seen corresponding path program 1 times [2021-11-06 16:54:19,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:54:19,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804977367] [2021-11-06 16:54:19,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:54:19,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:54:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:54:20,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 16:54:20,117 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:54:20,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804977367] [2021-11-06 16:54:20,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804977367] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 16:54:20,120 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 16:54:20,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 16:54:20,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889934483] [2021-11-06 16:54:20,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 16:54:20,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:54:20,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 16:54:20,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 16:54:20,122 INFO L87 Difference]: Start difference. First operand 59031 states and 85494 transitions. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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) [2021-11-06 16:54:22,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:54:22,662 INFO L93 Difference]: Finished difference Result 175346 states and 254301 transitions. [2021-11-06 16:54:22,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 16:54:22,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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 194 [2021-11-06 16:54:22,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:54:23,351 INFO L225 Difference]: With dead ends: 175346 [2021-11-06 16:54:23,352 INFO L226 Difference]: Without dead ends: 116490 [2021-11-06 16:54:23,541 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 16:54:23,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116490 states. [2021-11-06 16:54:25,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116490 to 116215. [2021-11-06 16:54:25,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116215 states, 110300 states have (on average 1.453689936536718) internal successors, (160342), 110534 states have internal predecessors, (160342), 4240 states have call successors, (4240), 1536 states have call predecessors, (4240), 1536 states have return successors, (4240), 4176 states have call predecessors, (4240), 4240 states have call successors, (4240) [2021-11-06 16:54:26,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116215 states to 116215 states and 168822 transitions. [2021-11-06 16:54:26,681 INFO L78 Accepts]: Start accepts. Automaton has 116215 states and 168822 transitions. Word has length 194 [2021-11-06 16:54:26,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:54:26,696 INFO L470 AbstractCegarLoop]: Abstraction has 116215 states and 168822 transitions. [2021-11-06 16:54:26,697 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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) [2021-11-06 16:54:26,697 INFO L276 IsEmpty]: Start isEmpty. Operand 116215 states and 168822 transitions. [2021-11-06 16:54:26,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-06 16:54:26,698 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:54:26,698 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:54:26,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-06 16:54:26,699 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION === [runtime_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, runtime_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION (and 137 more)] === [2021-11-06 16:54:26,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:54:26,699 INFO L85 PathProgramCache]: Analyzing trace with hash 621479980, now seen corresponding path program 1 times [2021-11-06 16:54:26,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:54:26,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943816522] [2021-11-06 16:54:26,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:54:26,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:54:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:54:27,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 16:54:27,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:54:27,498 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943816522] [2021-11-06 16:54:27,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943816522] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 16:54:27,498 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 16:54:27,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 16:54:27,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503738500] [2021-11-06 16:54:27,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 16:54:27,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:54:27,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 16:54:27,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 16:54:27,500 INFO L87 Difference]: Start difference. First operand 116215 states and 168822 transitions. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 2 states have internal predecessors, (194), 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) [2021-11-06 16:54:29,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:54:29,406 INFO L93 Difference]: Finished difference Result 116215 states and 168822 transitions. [2021-11-06 16:54:29,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 16:54:29,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 2 states have internal predecessors, (194), 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 194 [2021-11-06 16:54:29,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:54:29,814 INFO L225 Difference]: With dead ends: 116215 [2021-11-06 16:54:29,814 INFO L226 Difference]: Without dead ends: 116213 [2021-11-06 16:54:29,867 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 16:54:29,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116213 states. [2021-11-06 16:54:32,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116213 to 116213. [2021-11-06 16:54:32,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116213 states, 110299 states have (on average 1.4536849835447285) internal successors, (160340), 110532 states have internal predecessors, (160340), 4240 states have call successors, (4240), 1536 states have call predecessors, (4240), 1536 states have return successors, (4240), 4176 states have call predecessors, (4240), 4240 states have call successors, (4240) [2021-11-06 16:54:32,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116213 states to 116213 states and 168820 transitions. [2021-11-06 16:54:32,860 INFO L78 Accepts]: Start accepts. Automaton has 116213 states and 168820 transitions. Word has length 194 [2021-11-06 16:54:32,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 16:54:32,860 INFO L470 AbstractCegarLoop]: Abstraction has 116213 states and 168820 transitions. [2021-11-06 16:54:32,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 2 states have internal predecessors, (194), 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) [2021-11-06 16:54:32,861 INFO L276 IsEmpty]: Start isEmpty. Operand 116213 states and 168820 transitions. [2021-11-06 16:54:32,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-06 16:54:32,862 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 16:54:32,862 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 16:54:32,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-06 16:54:32,863 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION === [runtime_resumeErr0ASSERT_VIOLATIONERROR_FUNCTION, runtime_resumeErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION (and 137 more)] === [2021-11-06 16:54:32,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 16:54:32,863 INFO L85 PathProgramCache]: Analyzing trace with hash 2086027863, now seen corresponding path program 1 times [2021-11-06 16:54:32,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 16:54:32,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458520883] [2021-11-06 16:54:32,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 16:54:32,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 16:54:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 16:54:33,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 16:54:33,613 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 16:54:33,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458520883] [2021-11-06 16:54:33,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458520883] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 16:54:33,614 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 16:54:33,614 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 16:54:33,614 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664425823] [2021-11-06 16:54:33,614 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 16:54:33,614 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 16:54:33,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 16:54:33,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 16:54:33,615 INFO L87 Difference]: Start difference. First operand 116213 states and 168820 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 states have internal predecessors, (195), 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) [2021-11-06 16:54:39,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 16:54:39,420 INFO L93 Difference]: Finished difference Result 330151 states and 491339 transitions. [2021-11-06 16:54:39,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 16:54:39,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 states have internal predecessors, (195), 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 195 [2021-11-06 16:54:39,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 16:54:41,083 INFO L225 Difference]: With dead ends: 330151 [2021-11-06 16:54:41,084 INFO L226 Difference]: Without dead ends: 214113 [2021-11-06 16:54:41,819 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 16:54:41,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214113 states. [2021-11-06 16:54:46,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214113 to 213750. [2021-11-06 16:54:46,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213750 states, 202750 states have (on average 1.4561726263871764) internal successors, (295239), 203077 states have internal predecessors, (295239), 7824 states have call successors, (7824), 3072 states have call predecessors, (7824), 3040 states have return successors, (11376), 7664 states have call predecessors, (11376), 7824 states have call successors, (11376)