./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-08_1a-drivers--input--gameport--gameport.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-08_1a-drivers--input--gameport--gameport.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 25e54376eacb2d0548e63287dfbc7c840529d47c5fe4674c2562ee16254781b6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 15:45:56,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 15:45:56,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 15:45:56,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 15:45:56,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 15:45:56,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 15:45:56,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 15:45:56,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 15:45:56,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 15:45:56,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 15:45:56,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 15:45:56,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 15:45:56,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 15:45:56,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 15:45:56,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 15:45:56,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 15:45:56,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 15:45:56,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 15:45:56,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 15:45:56,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 15:45:56,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 15:45:56,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 15:45:56,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 15:45:56,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 15:45:56,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 15:45:56,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 15:45:56,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 15:45:56,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 15:45:56,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 15:45:56,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 15:45:56,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 15:45:56,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 15:45:56,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 15:45:56,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 15:45:56,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 15:45:57,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 15:45:57,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 15:45:57,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 15:45:57,004 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 15:45:57,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 15:45:57,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 15:45:57,008 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-06 15:45:57,038 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 15:45:57,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 15:45:57,039 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 15:45:57,039 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 15:45:57,040 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 15:45:57,040 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 15:45:57,041 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 15:45:57,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 15:45:57,041 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 15:45:57,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 15:45:57,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 15:45:57,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 15:45:57,043 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 15:45:57,043 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 15:45:57,043 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 15:45:57,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 15:45:57,044 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 15:45:57,044 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 15:45:57,044 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 15:45:57,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 15:45:57,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 15:45:57,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 15:45:57,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 15:45:57,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 15:45:57,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 15:45:57,045 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 15:45:57,046 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 15:45:57,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 15:45:57,046 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 15:45:57,046 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25e54376eacb2d0548e63287dfbc7c840529d47c5fe4674c2562ee16254781b6 [2021-11-06 15:45:57,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 15:45:57,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 15:45:57,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 15:45:57,271 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 15:45:57,272 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 15:45:57,273 INFO L432 ainManager$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-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2021-11-06 15:45:57,347 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0472d9571/88de0bc6e9be42e2aed4b7c420a7f70c/FLAGde0e93862 [2021-11-06 15:45:57,982 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 15:45:57,983 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2021-11-06 15:45:58,020 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0472d9571/88de0bc6e9be42e2aed4b7c420a7f70c/FLAGde0e93862 [2021-11-06 15:45:58,350 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0472d9571/88de0bc6e9be42e2aed4b7c420a7f70c [2021-11-06 15:45:58,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 15:45:58,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 15:45:58,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 15:45:58,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 15:45:58,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 15:45:58,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 03:45:58" (1/1) ... [2021-11-06 15:45:58,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b6dc94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:45:58, skipping insertion in model container [2021-11-06 15:45:58,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 03:45:58" (1/1) ... [2021-11-06 15:45:58,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 15:45:58,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 15:45:59,325 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-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i[133750,133763] [2021-11-06 15:45:59,349 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-06 15:45:59,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 15:45:59,414 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 15:45:59,610 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-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i[133750,133763] [2021-11-06 15:45:59,625 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-06 15:45:59,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 15:45:59,687 INFO L208 MainTranslator]: Completed translation [2021-11-06 15:45:59,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:45:59 WrapperNode [2021-11-06 15:45:59,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 15:45:59,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 15:45:59,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 15:45:59,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 15:45:59,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:45:59" (1/1) ... [2021-11-06 15:45:59,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:45:59" (1/1) ... [2021-11-06 15:45:59,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 15:45:59,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 15:45:59,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 15:45:59,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 15:45:59,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:45:59" (1/1) ... [2021-11-06 15:45:59,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:45:59" (1/1) ... [2021-11-06 15:45:59,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:45:59" (1/1) ... [2021-11-06 15:45:59,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:45:59" (1/1) ... [2021-11-06 15:46:00,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:45:59" (1/1) ... [2021-11-06 15:46:00,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:45:59" (1/1) ... [2021-11-06 15:46:00,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:45:59" (1/1) ... [2021-11-06 15:46:00,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 15:46:00,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 15:46:00,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 15:46:00,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 15:46:00,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:45:59" (1/1) ... [2021-11-06 15:46:00,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 15:46:00,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 15:46:00,228 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 15:46:00,242 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 15:46:00,275 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-06 15:46:00,275 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_add_port [2021-11-06 15:46:00,275 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_add_port [2021-11-06 15:46:00,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 15:46:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-06 15:46:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2021-11-06 15:46:00,276 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2021-11-06 15:46:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure old_gameport_measure_speed [2021-11-06 15:46:00,276 INFO L138 BoogieDeclarations]: Found implementation of procedure old_gameport_measure_speed [2021-11-06 15:46:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 15:46:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_driver_remove [2021-11-06 15:46:00,277 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_driver_remove [2021-11-06 15:46:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 15:46:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 15:46:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 15:46:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-06 15:46:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-06 15:46:00,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-06 15:46:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-06 15:46:00,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-06 15:46:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 15:46:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-06 15:46:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 15:46:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-06 15:46:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_measure_speed [2021-11-06 15:46:00,279 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_measure_speed [2021-11-06 15:46:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2021-11-06 15:46:00,279 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2021-11-06 15:46:00,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 15:46:00,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 15:46:00,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 15:46:00,280 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_handle_events [2021-11-06 15:46:00,280 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_handle_events [2021-11-06 15:46:05,842 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 15:46:05,849 INFO L299 CfgBuilder]: Removed 1134 assume(true) statements. [2021-11-06 15:46:05,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 03:46:05 BoogieIcfgContainer [2021-11-06 15:46:05,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 15:46:05,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 15:46:05,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 15:46:05,858 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 15:46:05,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 03:45:58" (1/3) ... [2021-11-06 15:46:05,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7230a79a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 03:46:05, skipping insertion in model container [2021-11-06 15:46:05,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:45:59" (2/3) ... [2021-11-06 15:46:05,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7230a79a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 03:46:05, skipping insertion in model container [2021-11-06 15:46:05,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 03:46:05" (3/3) ... [2021-11-06 15:46:05,861 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2021-11-06 15:46:05,866 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 15:46:05,867 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2021-11-06 15:46:05,919 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 15:46:05,925 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 15:46:05,925 INFO L340 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2021-11-06 15:46:05,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 988 states, 935 states have (on average 1.3754010695187167) internal successors, (1286), 958 states have internal predecessors, (1286), 22 states have call successors, (22), 9 states have call predecessors, (22), 9 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-06 15:46:05,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-06 15:46:05,987 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 15:46:05,988 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] [2021-11-06 15:46:05,988 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ##fun~$Pointer$~TO~VOIDErr7ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-06 15:46:05,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 15:46:05,994 INFO L85 PathProgramCache]: Analyzing trace with hash 602393225, now seen corresponding path program 1 times [2021-11-06 15:46:06,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 15:46:06,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976414815] [2021-11-06 15:46:06,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 15:46:06,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 15:46:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 15:46:06,454 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 15:46:06,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 15:46:06,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976414815] [2021-11-06 15:46:06,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976414815] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 15:46:06,457 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 15:46:06,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 15:46:06,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912672832] [2021-11-06 15:46:06,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 15:46:06,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 15:46:06,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 15:46:06,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 15:46:06,479 INFO L87 Difference]: Start difference. First operand has 988 states, 935 states have (on average 1.3754010695187167) internal successors, (1286), 958 states have internal predecessors, (1286), 22 states have call successors, (22), 9 states have call predecessors, (22), 9 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 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 15:46:06,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 15:46:06,594 INFO L93 Difference]: Finished difference Result 1972 states and 2677 transitions. [2021-11-06 15:46:06,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 15:46:06,595 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 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 64 [2021-11-06 15:46:06,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 15:46:06,617 INFO L225 Difference]: With dead ends: 1972 [2021-11-06 15:46:06,617 INFO L226 Difference]: Without dead ends: 964 [2021-11-06 15:46:06,631 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 15:46:06,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2021-11-06 15:46:06,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 964. [2021-11-06 15:46:06,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 912 states have (on average 1.325657894736842) internal successors, (1209), 934 states have internal predecessors, (1209), 22 states have call successors, (22), 9 states have call predecessors, (22), 9 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2021-11-06 15:46:06,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1253 transitions. [2021-11-06 15:46:06,728 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1253 transitions. Word has length 64 [2021-11-06 15:46:06,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 15:46:06,729 INFO L470 AbstractCegarLoop]: Abstraction has 964 states and 1253 transitions. [2021-11-06 15:46:06,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 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 15:46:06,730 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1253 transitions. [2021-11-06 15:46:06,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-06 15:46:06,734 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 15:46:06,735 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] [2021-11-06 15:46:06,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 15:46:06,736 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~$Pointer$~TO~VOIDErr7ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-06 15:46:06,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 15:46:06,739 INFO L85 PathProgramCache]: Analyzing trace with hash 2128412571, now seen corresponding path program 1 times [2021-11-06 15:46:06,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 15:46:06,739 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941184866] [2021-11-06 15:46:06,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 15:46:06,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 15:46:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 15:46:07,062 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 15:46:07,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 15:46:07,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941184866] [2021-11-06 15:46:07,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941184866] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 15:46:07,064 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 15:46:07,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 15:46:07,064 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623285194] [2021-11-06 15:46:07,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 15:46:07,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 15:46:07,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 15:46:07,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-06 15:46:07,068 INFO L87 Difference]: Start difference. First operand 964 states and 1253 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 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 15:46:07,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 15:46:07,940 INFO L93 Difference]: Finished difference Result 4603 states and 6143 transitions. [2021-11-06 15:46:07,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 15:46:07,941 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 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 64 [2021-11-06 15:46:07,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 15:46:07,961 INFO L225 Difference]: With dead ends: 4603 [2021-11-06 15:46:07,961 INFO L226 Difference]: Without dead ends: 3686 [2021-11-06 15:46:07,967 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-06 15:46:07,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3686 states. [2021-11-06 15:46:08,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3686 to 3520. [2021-11-06 15:46:08,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3520 states, 3378 states have (on average 1.3433984606275904) internal successors, (4538), 3406 states have internal predecessors, (4538), 85 states have call successors, (85), 36 states have call predecessors, (85), 36 states have return successors, (193), 81 states have call predecessors, (193), 85 states have call successors, (193) [2021-11-06 15:46:08,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3520 states to 3520 states and 4816 transitions. [2021-11-06 15:46:08,151 INFO L78 Accepts]: Start accepts. Automaton has 3520 states and 4816 transitions. Word has length 64 [2021-11-06 15:46:08,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 15:46:08,153 INFO L470 AbstractCegarLoop]: Abstraction has 3520 states and 4816 transitions. [2021-11-06 15:46:08,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 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 15:46:08,154 INFO L276 IsEmpty]: Start isEmpty. Operand 3520 states and 4816 transitions. [2021-11-06 15:46:08,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-06 15:46:08,156 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 15:46:08,156 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] [2021-11-06 15:46:08,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 15:46:08,157 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~$Pointer$~TO~VOIDErr7ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-06 15:46:08,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 15:46:08,160 INFO L85 PathProgramCache]: Analyzing trace with hash 287192160, now seen corresponding path program 1 times [2021-11-06 15:46:08,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 15:46:08,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561452351] [2021-11-06 15:46:08,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 15:46:08,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 15:46:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 15:46:08,330 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 15:46:08,330 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 15:46:08,330 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561452351] [2021-11-06 15:46:08,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561452351] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 15:46:08,331 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 15:46:08,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 15:46:08,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183736916] [2021-11-06 15:46:08,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 15:46:08,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 15:46:08,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 15:46:08,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 15:46:08,333 INFO L87 Difference]: Start difference. First operand 3520 states and 4816 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 15:46:08,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 15:46:08,590 INFO L93 Difference]: Finished difference Result 10350 states and 14183 transitions. [2021-11-06 15:46:08,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 15:46:08,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-11-06 15:46:08,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 15:46:08,671 INFO L225 Difference]: With dead ends: 10350 [2021-11-06 15:46:08,671 INFO L226 Difference]: Without dead ends: 6877 [2021-11-06 15:46:08,684 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 15:46:08,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6877 states. [2021-11-06 15:46:08,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6877 to 6825. [2021-11-06 15:46:08,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6825 states, 6566 states have (on average 1.3452634785257387) internal successors, (8833), 6602 states have internal predecessors, (8833), 166 states have call successors, (166), 72 states have call predecessors, (166), 72 states have return successors, (377), 158 states have call predecessors, (377), 166 states have call successors, (377) [2021-11-06 15:46:08,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6825 states to 6825 states and 9376 transitions. [2021-11-06 15:46:08,912 INFO L78 Accepts]: Start accepts. Automaton has 6825 states and 9376 transitions. Word has length 67 [2021-11-06 15:46:08,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 15:46:08,913 INFO L470 AbstractCegarLoop]: Abstraction has 6825 states and 9376 transitions. [2021-11-06 15:46:08,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 15:46:08,913 INFO L276 IsEmpty]: Start isEmpty. Operand 6825 states and 9376 transitions. [2021-11-06 15:46:08,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-06 15:46:08,914 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 15:46:08,915 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] [2021-11-06 15:46:08,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-06 15:46:08,915 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-06 15:46:08,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 15:46:08,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1762073860, now seen corresponding path program 1 times [2021-11-06 15:46:08,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 15:46:08,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893294324] [2021-11-06 15:46:08,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 15:46:08,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 15:46:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 15:46:09,033 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 15:46:09,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 15:46:09,034 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893294324] [2021-11-06 15:46:09,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893294324] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 15:46:09,034 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 15:46:09,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 15:46:09,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899675609] [2021-11-06 15:46:09,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 15:46:09,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 15:46:09,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 15:46:09,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 15:46:09,036 INFO L87 Difference]: Start difference. First operand 6825 states and 9376 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 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 15:46:09,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 15:46:09,332 INFO L93 Difference]: Finished difference Result 13441 states and 18920 transitions. [2021-11-06 15:46:09,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 15:46:09,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 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 66 [2021-11-06 15:46:09,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 15:46:09,365 INFO L225 Difference]: With dead ends: 13441 [2021-11-06 15:46:09,365 INFO L226 Difference]: Without dead ends: 6653 [2021-11-06 15:46:09,406 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 15:46:09,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6653 states. [2021-11-06 15:46:09,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6653 to 6513. [2021-11-06 15:46:09,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6513 states, 6255 states have (on average 1.3336530775379696) internal successors, (8342), 6290 states have internal predecessors, (8342), 166 states have call successors, (166), 72 states have call predecessors, (166), 72 states have return successors, (377), 158 states have call predecessors, (377), 166 states have call successors, (377) [2021-11-06 15:46:09,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6513 states to 6513 states and 8885 transitions. [2021-11-06 15:46:09,721 INFO L78 Accepts]: Start accepts. Automaton has 6513 states and 8885 transitions. Word has length 66 [2021-11-06 15:46:09,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 15:46:09,723 INFO L470 AbstractCegarLoop]: Abstraction has 6513 states and 8885 transitions. [2021-11-06 15:46:09,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 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 15:46:09,723 INFO L276 IsEmpty]: Start isEmpty. Operand 6513 states and 8885 transitions. [2021-11-06 15:46:09,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-06 15:46:09,725 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 15:46:09,725 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] [2021-11-06 15:46:09,725 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-06 15:46:09,726 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting gameport_handle_eventsErr1ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-06 15:46:09,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 15:46:09,726 INFO L85 PathProgramCache]: Analyzing trace with hash -501413641, now seen corresponding path program 1 times [2021-11-06 15:46:09,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 15:46:09,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445210264] [2021-11-06 15:46:09,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 15:46:09,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 15:46:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 15:46:09,830 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 15:46:09,830 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 15:46:09,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445210264] [2021-11-06 15:46:09,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445210264] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 15:46:09,831 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 15:46:09,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 15:46:09,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699409466] [2021-11-06 15:46:09,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 15:46:09,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 15:46:09,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 15:46:09,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 15:46:09,833 INFO L87 Difference]: Start difference. First operand 6513 states and 8885 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 15:46:10,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 15:46:10,317 INFO L93 Difference]: Finished difference Result 19377 states and 26457 transitions. [2021-11-06 15:46:10,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 15:46:10,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 77 [2021-11-06 15:46:10,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 15:46:10,404 INFO L225 Difference]: With dead ends: 19377 [2021-11-06 15:46:10,404 INFO L226 Difference]: Without dead ends: 12911 [2021-11-06 15:46:10,439 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 15:46:10,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12911 states. [2021-11-06 15:46:10,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12911 to 12851. [2021-11-06 15:46:10,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12851 states, 12363 states have (on average 1.3355981557874301) internal successors, (16512), 12414 states have internal predecessors, (16512), 324 states have call successors, (324), 144 states have call predecessors, (324), 144 states have return successors, (736), 308 states have call predecessors, (736), 324 states have call successors, (736) [2021-11-06 15:46:11,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12851 states to 12851 states and 17572 transitions. [2021-11-06 15:46:11,013 INFO L78 Accepts]: Start accepts. Automaton has 12851 states and 17572 transitions. Word has length 77 [2021-11-06 15:46:11,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 15:46:11,013 INFO L470 AbstractCegarLoop]: Abstraction has 12851 states and 17572 transitions. [2021-11-06 15:46:11,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 15:46:11,014 INFO L276 IsEmpty]: Start isEmpty. Operand 12851 states and 17572 transitions. [2021-11-06 15:46:11,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-06 15:46:11,021 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 15:46:11,021 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] [2021-11-06 15:46:11,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-06 15:46:11,022 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting gameport_handle_eventsErr1ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-06 15:46:11,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 15:46:11,022 INFO L85 PathProgramCache]: Analyzing trace with hash -65074104, now seen corresponding path program 1 times [2021-11-06 15:46:11,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 15:46:11,023 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92970301] [2021-11-06 15:46:11,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 15:46:11,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 15:46:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 15:46:11,276 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 15:46:11,276 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 15:46:11,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92970301] [2021-11-06 15:46:11,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92970301] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 15:46:11,277 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 15:46:11,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-06 15:46:11,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850167544] [2021-11-06 15:46:11,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-06 15:46:11,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 15:46:11,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-06 15:46:11,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-06 15:46:11,279 INFO L87 Difference]: Start difference. First operand 12851 states and 17572 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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 15:46:11,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 15:46:11,865 INFO L93 Difference]: Finished difference Result 25767 states and 36032 transitions. [2021-11-06 15:46:11,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 15:46:11,866 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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 79 [2021-11-06 15:46:11,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 15:46:12,012 INFO L225 Difference]: With dead ends: 25767 [2021-11-06 15:46:12,013 INFO L226 Difference]: Without dead ends: 12963 [2021-11-06 15:46:12,056 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-06 15:46:12,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12963 states. [2021-11-06 15:46:12,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12963 to 12939. [2021-11-06 15:46:12,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12939 states, 12443 states have (on average 1.3334404886281443) internal successors, (16592), 12502 states have internal predecessors, (16592), 324 states have call successors, (324), 144 states have call predecessors, (324), 152 states have return successors, (780), 308 states have call predecessors, (780), 324 states have call successors, (780) [2021-11-06 15:46:12,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12939 states to 12939 states and 17696 transitions. [2021-11-06 15:46:12,616 INFO L78 Accepts]: Start accepts. Automaton has 12939 states and 17696 transitions. Word has length 79 [2021-11-06 15:46:12,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 15:46:12,618 INFO L470 AbstractCegarLoop]: Abstraction has 12939 states and 17696 transitions. [2021-11-06 15:46:12,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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 15:46:12,618 INFO L276 IsEmpty]: Start isEmpty. Operand 12939 states and 17696 transitions. [2021-11-06 15:46:12,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-06 15:46:12,624 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 15:46:12,624 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] [2021-11-06 15:46:12,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-06 15:46:12,625 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ##fun~$Pointer$~TO~VOIDErr7ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-06 15:46:12,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 15:46:12,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1277447421, now seen corresponding path program 1 times [2021-11-06 15:46:12,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 15:46:12,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469904875] [2021-11-06 15:46:12,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 15:46:12,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 15:46:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 15:46:12,756 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 15:46:12,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 15:46:12,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469904875] [2021-11-06 15:46:12,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469904875] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 15:46:12,757 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 15:46:12,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 15:46:12,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499299898] [2021-11-06 15:46:12,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 15:46:12,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 15:46:12,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 15:46:12,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 15:46:12,759 INFO L87 Difference]: Start difference. First operand 12939 states and 17696 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 15:46:13,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 15:46:13,519 INFO L93 Difference]: Finished difference Result 33889 states and 46576 transitions. [2021-11-06 15:46:13,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 15:46:13,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-11-06 15:46:13,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 15:46:13,719 INFO L225 Difference]: With dead ends: 33889 [2021-11-06 15:46:13,720 INFO L226 Difference]: Without dead ends: 20997 [2021-11-06 15:46:13,761 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 15:46:13,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20997 states. [2021-11-06 15:46:14,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20997 to 20967. [2021-11-06 15:46:14,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20967 states, 20027 states have (on average 1.3375942477655165) internal successors, (26788), 20126 states have internal predecessors, (26788), 616 states have call successors, (616), 288 states have call predecessors, (616), 304 states have return successors, (1488), 584 states have call predecessors, (1488), 616 states have call successors, (1488) [2021-11-06 15:46:14,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20967 states to 20967 states and 28892 transitions. [2021-11-06 15:46:14,623 INFO L78 Accepts]: Start accepts. Automaton has 20967 states and 28892 transitions. Word has length 81 [2021-11-06 15:46:14,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 15:46:14,623 INFO L470 AbstractCegarLoop]: Abstraction has 20967 states and 28892 transitions. [2021-11-06 15:46:14,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 15:46:14,624 INFO L276 IsEmpty]: Start isEmpty. Operand 20967 states and 28892 transitions. [2021-11-06 15:46:14,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-06 15:46:14,625 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 15:46:14,625 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] [2021-11-06 15:46:14,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-06 15:46:14,626 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting gameport_handle_eventsErr1ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-06 15:46:14,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 15:46:14,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1288210151, now seen corresponding path program 1 times [2021-11-06 15:46:14,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 15:46:14,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043580848] [2021-11-06 15:46:14,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 15:46:14,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 15:46:14,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 15:46:14,831 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 15:46:14,831 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 15:46:14,831 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043580848] [2021-11-06 15:46:14,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043580848] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 15:46:14,832 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 15:46:14,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 15:46:14,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154659429] [2021-11-06 15:46:14,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 15:46:14,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 15:46:14,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 15:46:14,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 15:46:14,834 INFO L87 Difference]: Start difference. First operand 20967 states and 28892 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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 15:46:15,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 15:46:15,627 INFO L93 Difference]: Finished difference Result 41823 states and 57584 transitions. [2021-11-06 15:46:15,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 15:46:15,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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 80 [2021-11-06 15:46:15,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 15:46:15,717 INFO L225 Difference]: With dead ends: 41823 [2021-11-06 15:46:15,718 INFO L226 Difference]: Without dead ends: 20903 [2021-11-06 15:46:15,782 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 15:46:15,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20903 states. [2021-11-06 15:46:16,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20903 to 20903. [2021-11-06 15:46:16,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20903 states, 19995 states have (on average 1.3365341335333834) internal successors, (26724), 20094 states have internal predecessors, (26724), 584 states have call successors, (584), 288 states have call predecessors, (584), 304 states have return successors, (1400), 552 states have call predecessors, (1400), 584 states have call successors, (1400) [2021-11-06 15:46:16,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20903 states to 20903 states and 28708 transitions. [2021-11-06 15:46:16,693 INFO L78 Accepts]: Start accepts. Automaton has 20903 states and 28708 transitions. Word has length 80 [2021-11-06 15:46:16,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 15:46:16,695 INFO L470 AbstractCegarLoop]: Abstraction has 20903 states and 28708 transitions. [2021-11-06 15:46:16,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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 15:46:16,695 INFO L276 IsEmpty]: Start isEmpty. Operand 20903 states and 28708 transitions. [2021-11-06 15:46:16,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-06 15:46:16,697 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 15:46:16,697 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] [2021-11-06 15:46:16,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-06 15:46:16,698 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting gameport_handle_eventsErr1ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-06 15:46:16,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 15:46:16,699 INFO L85 PathProgramCache]: Analyzing trace with hash -481103708, now seen corresponding path program 1 times [2021-11-06 15:46:16,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 15:46:16,701 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326783396] [2021-11-06 15:46:16,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 15:46:16,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 15:46:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 15:46:16,886 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 15:46:16,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 15:46:16,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326783396] [2021-11-06 15:46:16,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326783396] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 15:46:16,887 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 15:46:16,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 15:46:16,888 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282517960] [2021-11-06 15:46:16,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 15:46:16,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 15:46:16,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 15:46:16,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 15:46:16,889 INFO L87 Difference]: Start difference. First operand 20903 states and 28708 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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 15:46:17,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 15:46:17,773 INFO L93 Difference]: Finished difference Result 41695 states and 57216 transitions. [2021-11-06 15:46:17,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 15:46:17,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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 81 [2021-11-06 15:46:17,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 15:46:17,859 INFO L225 Difference]: With dead ends: 41695 [2021-11-06 15:46:17,859 INFO L226 Difference]: Without dead ends: 20839 [2021-11-06 15:46:17,929 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 15:46:17,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20839 states. [2021-11-06 15:46:18,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20839 to 20839. [2021-11-06 15:46:18,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20839 states, 19963 states have (on average 1.3354706206481992) internal successors, (26660), 20062 states have internal predecessors, (26660), 552 states have call successors, (552), 288 states have call predecessors, (552), 304 states have return successors, (1312), 520 states have call predecessors, (1312), 552 states have call successors, (1312) [2021-11-06 15:46:18,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20839 states to 20839 states and 28524 transitions. [2021-11-06 15:46:18,825 INFO L78 Accepts]: Start accepts. Automaton has 20839 states and 28524 transitions. Word has length 81 [2021-11-06 15:46:18,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 15:46:18,825 INFO L470 AbstractCegarLoop]: Abstraction has 20839 states and 28524 transitions. [2021-11-06 15:46:18,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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 15:46:18,826 INFO L276 IsEmpty]: Start isEmpty. Operand 20839 states and 28524 transitions. [2021-11-06 15:46:18,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-06 15:46:18,827 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 15:46:18,827 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] [2021-11-06 15:46:18,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-06 15:46:18,828 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting gameport_handle_eventsErr1ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-06 15:46:18,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 15:46:18,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1003738288, now seen corresponding path program 1 times [2021-11-06 15:46:18,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 15:46:18,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374518691] [2021-11-06 15:46:18,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 15:46:18,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 15:46:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 15:46:19,039 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 15:46:19,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 15:46:19,040 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374518691] [2021-11-06 15:46:19,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374518691] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 15:46:19,040 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 15:46:19,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 15:46:19,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672227140] [2021-11-06 15:46:19,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 15:46:19,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 15:46:19,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 15:46:19,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 15:46:19,042 INFO L87 Difference]: Start difference. First operand 20839 states and 28524 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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 15:46:19,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 15:46:19,893 INFO L93 Difference]: Finished difference Result 41567 states and 56848 transitions. [2021-11-06 15:46:19,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 15:46:19,894 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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 82 [2021-11-06 15:46:19,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 15:46:19,965 INFO L225 Difference]: With dead ends: 41567 [2021-11-06 15:46:19,966 INFO L226 Difference]: Without dead ends: 20775 [2021-11-06 15:46:20,035 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 15:46:20,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20775 states. [2021-11-06 15:46:20,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20775 to 20775. [2021-11-06 15:46:20,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20775 states, 19931 states have (on average 1.3344036927399527) internal successors, (26596), 20030 states have internal predecessors, (26596), 520 states have call successors, (520), 288 states have call predecessors, (520), 304 states have return successors, (1224), 488 states have call predecessors, (1224), 520 states have call successors, (1224) [2021-11-06 15:46:20,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20775 states to 20775 states and 28340 transitions. [2021-11-06 15:46:20,932 INFO L78 Accepts]: Start accepts. Automaton has 20775 states and 28340 transitions. Word has length 82 [2021-11-06 15:46:20,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 15:46:20,933 INFO L470 AbstractCegarLoop]: Abstraction has 20775 states and 28340 transitions. [2021-11-06 15:46:20,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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 15:46:20,933 INFO L276 IsEmpty]: Start isEmpty. Operand 20775 states and 28340 transitions. [2021-11-06 15:46:20,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-06 15:46:20,935 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 15:46:20,935 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] [2021-11-06 15:46:20,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-06 15:46:20,936 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting gameport_handle_eventsErr1ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-06 15:46:20,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 15:46:20,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1534020883, now seen corresponding path program 1 times [2021-11-06 15:46:20,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 15:46:20,937 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329663730] [2021-11-06 15:46:20,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 15:46:20,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 15:46:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 15:46:21,088 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 15:46:21,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 15:46:21,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329663730] [2021-11-06 15:46:21,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329663730] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 15:46:21,089 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 15:46:21,090 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 15:46:21,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040408665] [2021-11-06 15:46:21,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 15:46:21,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 15:46:21,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 15:46:21,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 15:46:21,092 INFO L87 Difference]: Start difference. First operand 20775 states and 28340 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 15:46:22,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 15:46:22,068 INFO L93 Difference]: Finished difference Result 40597 states and 55341 transitions. [2021-11-06 15:46:22,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 15:46:22,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 83 [2021-11-06 15:46:22,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 15:46:22,139 INFO L225 Difference]: With dead ends: 40597 [2021-11-06 15:46:22,139 INFO L226 Difference]: Without dead ends: 19869 [2021-11-06 15:46:22,196 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 15:46:22,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19869 states. [2021-11-06 15:46:22,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19869 to 19442. [2021-11-06 15:46:22,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19442 states, 18698 states have (on average 1.3348486469141085) internal successors, (24959), 18789 states have internal predecessors, (24959), 449 states have call successors, (449), 261 states have call predecessors, (449), 275 states have return successors, (1027), 420 states have call predecessors, (1027), 449 states have call successors, (1027) [2021-11-06 15:46:22,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19442 states to 19442 states and 26435 transitions. [2021-11-06 15:46:22,963 INFO L78 Accepts]: Start accepts. Automaton has 19442 states and 26435 transitions. Word has length 83 [2021-11-06 15:46:22,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 15:46:22,963 INFO L470 AbstractCegarLoop]: Abstraction has 19442 states and 26435 transitions. [2021-11-06 15:46:22,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 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 15:46:22,963 INFO L276 IsEmpty]: Start isEmpty. Operand 19442 states and 26435 transitions. [2021-11-06 15:46:22,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-06 15:46:22,965 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 15:46:22,965 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:46:22,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-06 15:46:22,966 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ##fun~$Pointer$~TO~VOIDErr7ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-06 15:46:22,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 15:46:22,966 INFO L85 PathProgramCache]: Analyzing trace with hash 60476818, now seen corresponding path program 1 times [2021-11-06 15:46:22,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 15:46:22,967 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050366246] [2021-11-06 15:46:22,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 15:46:22,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 15:46:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 15:46:23,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 15:46:23,073 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 15:46:23,074 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050366246] [2021-11-06 15:46:23,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050366246] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 15:46:23,074 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 15:46:23,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 15:46:23,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899350612] [2021-11-06 15:46:23,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 15:46:23,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 15:46:23,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 15:46:23,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 15:46:23,076 INFO L87 Difference]: Start difference. First operand 19442 states and 26435 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 15:46:24,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 15:46:24,977 INFO L93 Difference]: Finished difference Result 48299 states and 65713 transitions. [2021-11-06 15:46:24,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 15:46:24,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2021-11-06 15:46:24,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 15:46:25,151 INFO L225 Difference]: With dead ends: 48299 [2021-11-06 15:46:25,163 INFO L226 Difference]: Without dead ends: 28904 [2021-11-06 15:46:25,246 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 15:46:25,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28904 states. [2021-11-06 15:46:26,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28904 to 28417. [2021-11-06 15:46:26,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28417 states, 27353 states have (on average 1.3347713230724234) internal successors, (36510), 27476 states have internal predecessors, (36510), 646 states have call successors, (646), 378 states have call predecessors, (646), 398 states have return successors, (1468), 604 states have call predecessors, (1468), 646 states have call successors, (1468) [2021-11-06 15:46:26,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28417 states to 28417 states and 38624 transitions. [2021-11-06 15:46:26,409 INFO L78 Accepts]: Start accepts. Automaton has 28417 states and 38624 transitions. Word has length 89 [2021-11-06 15:46:26,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 15:46:26,409 INFO L470 AbstractCegarLoop]: Abstraction has 28417 states and 38624 transitions. [2021-11-06 15:46:26,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 15:46:26,410 INFO L276 IsEmpty]: Start isEmpty. Operand 28417 states and 38624 transitions. [2021-11-06 15:46:26,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-06 15:46:26,413 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 15:46:26,413 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 15:46:26,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-06 15:46:26,414 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting gameport_handle_eventsErr1ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-06 15:46:26,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 15:46:26,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1156172890, now seen corresponding path program 1 times [2021-11-06 15:46:26,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 15:46:26,415 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751728345] [2021-11-06 15:46:26,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 15:46:26,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 15:46:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 15:46:26,590 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-06 15:46:26,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 15:46:26,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751728345] [2021-11-06 15:46:26,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751728345] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 15:46:26,591 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 15:46:26,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 15:46:26,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805144978] [2021-11-06 15:46:26,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 15:46:26,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 15:46:26,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 15:46:26,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 15:46:26,594 INFO L87 Difference]: Start difference. First operand 28417 states and 38624 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 15:46:27,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 15:46:27,558 INFO L93 Difference]: Finished difference Result 56791 states and 77205 transitions. [2021-11-06 15:46:27,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 15:46:27,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 100 [2021-11-06 15:46:27,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 15:46:27,675 INFO L225 Difference]: With dead ends: 56791 [2021-11-06 15:46:27,675 INFO L226 Difference]: Without dead ends: 28418 [2021-11-06 15:46:27,774 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 15:46:27,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28418 states. [2021-11-06 15:46:28,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28418 to 28418. [2021-11-06 15:46:28,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28418 states, 27354 states have (on average 1.334759084594575) internal successors, (36511), 27477 states have internal predecessors, (36511), 646 states have call successors, (646), 378 states have call predecessors, (646), 398 states have return successors, (1468), 604 states have call predecessors, (1468), 646 states have call successors, (1468) [2021-11-06 15:46:28,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28418 states to 28418 states and 38625 transitions. [2021-11-06 15:46:28,867 INFO L78 Accepts]: Start accepts. Automaton has 28418 states and 38625 transitions. Word has length 100 [2021-11-06 15:46:28,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 15:46:28,867 INFO L470 AbstractCegarLoop]: Abstraction has 28418 states and 38625 transitions. [2021-11-06 15:46:28,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 15:46:28,867 INFO L276 IsEmpty]: Start isEmpty. Operand 28418 states and 38625 transitions. [2021-11-06 15:46:28,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-06 15:46:28,870 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 15:46:28,871 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 15:46:28,871 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-06 15:46:28,871 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting gameport_handle_eventsErr1ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-06 15:46:28,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 15:46:28,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1589848335, now seen corresponding path program 1 times [2021-11-06 15:46:28,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 15:46:28,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517939219] [2021-11-06 15:46:28,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 15:46:28,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 15:46:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 15:46:29,203 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-06 15:46:29,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 15:46:29,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517939219] [2021-11-06 15:46:29,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517939219] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 15:46:29,204 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091550982] [2021-11-06 15:46:29,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 15:46:29,204 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 15:46:29,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 15:46:29,206 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 15:46:29,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-06 15:46:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 15:46:29,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 2288 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-06 15:46:29,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 15:46:30,138 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-06 15:46:30,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091550982] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 15:46:30,139 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-11-06 15:46:30,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2021-11-06 15:46:30,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050899043] [2021-11-06 15:46:30,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 15:46:30,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 15:46:30,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 15:46:30,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-06 15:46:30,141 INFO L87 Difference]: Start difference. First operand 28418 states and 38625 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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 15:46:31,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 15:46:31,661 INFO L93 Difference]: Finished difference Result 56936 states and 77397 transitions. [2021-11-06 15:46:31,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 15:46:31,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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 101 [2021-11-06 15:46:31,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 15:46:31,773 INFO L225 Difference]: With dead ends: 56936 [2021-11-06 15:46:31,773 INFO L226 Difference]: Without dead ends: 28374 [2021-11-06 15:46:31,853 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-06 15:46:31,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28374 states. [2021-11-06 15:46:32,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28374 to 28198. [2021-11-06 15:46:33,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28198 states, 27134 states have (on average 1.3339352841453527) internal successors, (36195), 27257 states have internal predecessors, (36195), 646 states have call successors, (646), 378 states have call predecessors, (646), 398 states have return successors, (1468), 604 states have call predecessors, (1468), 646 states have call successors, (1468) [2021-11-06 15:46:33,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28198 states to 28198 states and 38309 transitions. [2021-11-06 15:46:33,110 INFO L78 Accepts]: Start accepts. Automaton has 28198 states and 38309 transitions. Word has length 101 [2021-11-06 15:46:33,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 15:46:33,110 INFO L470 AbstractCegarLoop]: Abstraction has 28198 states and 38309 transitions. [2021-11-06 15:46:33,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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 15:46:33,111 INFO L276 IsEmpty]: Start isEmpty. Operand 28198 states and 38309 transitions. [2021-11-06 15:46:33,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-06 15:46:33,114 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 15:46:33,114 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 15:46:33,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-06 15:46:33,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-06 15:46:33,332 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting gameport_handle_eventsErr1ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-06 15:46:33,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 15:46:33,332 INFO L85 PathProgramCache]: Analyzing trace with hash 218041037, now seen corresponding path program 1 times [2021-11-06 15:46:33,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 15:46:33,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165244981] [2021-11-06 15:46:33,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 15:46:33,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 15:46:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 15:46:33,576 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-06 15:46:33,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 15:46:33,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165244981] [2021-11-06 15:46:33,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165244981] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-06 15:46:33,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782839575] [2021-11-06 15:46:33,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 15:46:33,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 15:46:33,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 15:46:33,578 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 15:46:33,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-06 15:46:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 15:46:35,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 2289 conjuncts, 97 conjunts are in the unsatisfiable core [2021-11-06 15:46:35,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 15:48:18,925 WARN L207 SmtUtils]: Spent 1.70 m on a formula simplification. DAG size of input: 4732 DAG size of output: 216 [2021-11-06 15:48:18,927 INFO L354 Elim1Store]: treesize reduction 93582, result has 0.4 percent of original size [2021-11-06 15:48:18,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 15 select indices, 15 select index equivalence classes, 2 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 172 case distinctions, treesize of input 8038572913635270 treesize of output 7748155798102592 Killed by 15