./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 c36dfa3b 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-wip.dd.seqcomp-c36dfa3 [2021-11-04 05:53:27,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-04 05:53:28,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-04 05:53:28,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-04 05:53:28,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-04 05:53:28,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-04 05:53:28,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-04 05:53:28,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-04 05:53:28,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-04 05:53:28,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-04 05:53:28,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-04 05:53:28,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-04 05:53:28,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-04 05:53:28,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-04 05:53:28,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-04 05:53:28,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-04 05:53:28,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-04 05:53:28,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-04 05:53:28,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-04 05:53:28,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-04 05:53:28,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-04 05:53:28,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-04 05:53:28,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-04 05:53:28,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-04 05:53:28,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-04 05:53:28,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-04 05:53:28,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-04 05:53:28,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-04 05:53:28,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-04 05:53:28,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-04 05:53:28,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-04 05:53:28,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-04 05:53:28,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-04 05:53:28,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-04 05:53:28,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-04 05:53:28,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-04 05:53:28,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-04 05:53:28,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-04 05:53:28,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-04 05:53:28,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-04 05:53:28,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-04 05:53:28,096 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-04 05:53:28,115 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-04 05:53:28,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-04 05:53:28,115 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-04 05:53:28,116 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-04 05:53:28,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-04 05:53:28,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-04 05:53:28,117 INFO L138 SettingsManager]: * Use SBE=true [2021-11-04 05:53:28,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-04 05:53:28,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-04 05:53:28,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-04 05:53:28,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-04 05:53:28,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-04 05:53:28,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-04 05:53:28,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-04 05:53:28,119 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-04 05:53:28,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-04 05:53:28,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-04 05:53:28,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-04 05:53:28,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-04 05:53:28,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 05:53:28,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-04 05:53:28,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-04 05:53:28,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-04 05:53:28,122 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-04 05:53:28,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-04 05:53:28,122 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-04 05:53:28,122 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-04 05:53:28,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-04 05:53:28,123 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-04 05:53:28,123 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25e54376eacb2d0548e63287dfbc7c840529d47c5fe4674c2562ee16254781b6 [2021-11-04 05:53:28,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-04 05:53:28,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-04 05:53:28,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-04 05:53:28,387 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-04 05:53:28,389 INFO L275 PluginConnector]: CDTParser initialized [2021-11-04 05:53:28,391 INFO L432 ainManager$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 [2021-11-04 05:53:28,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e6da2446/2b2b316f5be7457aa0b0e61a06de5eb5/FLAGb6b07103f [2021-11-04 05:53:29,165 INFO L306 CDTParser]: Found 1 translation units. [2021-11-04 05:53:29,166 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 [2021-11-04 05:53:29,202 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e6da2446/2b2b316f5be7457aa0b0e61a06de5eb5/FLAGb6b07103f [2021-11-04 05:53:29,314 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e6da2446/2b2b316f5be7457aa0b0e61a06de5eb5 [2021-11-04 05:53:29,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-04 05:53:29,318 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-04 05:53:29,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-04 05:53:29,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-04 05:53:29,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-04 05:53:29,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 05:53:29" (1/1) ... [2021-11-04 05:53:29,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@178622e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 05:53:29, skipping insertion in model container [2021-11-04 05:53:29,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 05:53:29" (1/1) ... [2021-11-04 05:53:29,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-04 05:53:29,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-04 05:53:30,438 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] [2021-11-04 05:53:30,481 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-04 05:53:30,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 05:53:30,537 INFO L203 MainTranslator]: Completed pre-run [2021-11-04 05:53:30,767 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] [2021-11-04 05:53:30,782 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-04 05:53:30,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 05:53:30,846 INFO L208 MainTranslator]: Completed translation [2021-11-04 05:53:30,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 05:53:30 WrapperNode [2021-11-04 05:53:30,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-04 05:53:30,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-04 05:53:30,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-04 05:53:30,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-04 05:53:30,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 05:53:30" (1/1) ... [2021-11-04 05:53:30,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 05:53:30" (1/1) ... [2021-11-04 05:53:31,111 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-04 05:53:31,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-04 05:53:31,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-04 05:53:31,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-04 05:53:31,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 05:53:30" (1/1) ... [2021-11-04 05:53:31,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 05:53:30" (1/1) ... [2021-11-04 05:53:31,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 05:53:30" (1/1) ... [2021-11-04 05:53:31,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 05:53:30" (1/1) ... [2021-11-04 05:53:31,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 05:53:30" (1/1) ... [2021-11-04 05:53:31,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 05:53:30" (1/1) ... [2021-11-04 05:53:31,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 05:53:30" (1/1) ... [2021-11-04 05:53:31,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-04 05:53:31,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-04 05:53:31,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-04 05:53:31,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-04 05:53:31,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 05:53:30" (1/1) ... [2021-11-04 05:53:31,401 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 05:53:31,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 05:53:31,423 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) [2021-11-04 05:53:31,432 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 [2021-11-04 05:53:31,474 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-04 05:53:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_add_port [2021-11-04 05:53:31,477 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_add_port [2021-11-04 05:53:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-04 05:53:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-04 05:53:31,477 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2021-11-04 05:53:31,477 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2021-11-04 05:53:31,478 INFO L130 BoogieDeclarations]: Found specification of procedure old_gameport_measure_speed [2021-11-04 05:53:31,478 INFO L138 BoogieDeclarations]: Found implementation of procedure old_gameport_measure_speed [2021-11-04 05:53:31,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-04 05:53:31,478 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_driver_remove [2021-11-04 05:53:31,478 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_driver_remove [2021-11-04 05:53:31,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-04 05:53:31,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-04 05:53:31,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-04 05:53:31,479 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-04 05:53:31,479 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-04 05:53:31,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-04 05:53:31,479 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-04 05:53:31,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-04 05:53:31,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-04 05:53:31,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-04 05:53:31,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-04 05:53:31,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-04 05:53:31,480 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_measure_speed [2021-11-04 05:53:31,480 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_measure_speed [2021-11-04 05:53:31,480 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2021-11-04 05:53:31,480 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2021-11-04 05:53:31,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-04 05:53:31,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-04 05:53:31,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-04 05:53:31,481 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_handle_events [2021-11-04 05:53:31,481 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_handle_events [2021-11-04 05:53:33,343 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-04 05:53:33,344 INFO L299 CfgBuilder]: Removed 1134 assume(true) statements. [2021-11-04 05:53:33,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 05:53:33 BoogieIcfgContainer [2021-11-04 05:53:33,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-04 05:53:33,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-04 05:53:33,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-04 05:53:33,354 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-04 05:53:33,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 05:53:29" (1/3) ... [2021-11-04 05:53:33,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@502c76ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 05:53:33, skipping insertion in model container [2021-11-04 05:53:33,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 05:53:30" (2/3) ... [2021-11-04 05:53:33,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@502c76ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 05:53:33, skipping insertion in model container [2021-11-04 05:53:33,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 05:53:33" (3/3) ... [2021-11-04 05:53:33,359 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2021-11-04 05:53:33,366 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-04 05:53:33,366 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2021-11-04 05:53:33,414 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-04 05:53:33,421 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 [2021-11-04 05:53:33,421 INFO L340 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2021-11-04 05:53:33,493 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) [2021-11-04 05:53:33,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-04 05:53:33,515 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 05:53:33,516 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 05:53:33,516 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)] === [2021-11-04 05:53:33,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 05:53:33,525 INFO L85 PathProgramCache]: Analyzing trace with hash 602393225, now seen corresponding path program 1 times [2021-11-04 05:53:33,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 05:53:33,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397528480] [2021-11-04 05:53:33,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 05:53:33,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 05:53:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 05:53:34,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 05:53:34,003 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 05:53:34,004 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397528480] [2021-11-04 05:53:34,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397528480] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 05:53:34,004 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 05:53:34,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-04 05:53:34,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943131036] [2021-11-04 05:53:34,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 05:53:34,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-04 05:53:34,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 05:53:34,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-04 05:53:34,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-04 05:53:34,038 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) [2021-11-04 05:53:35,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 05:53:35,899 INFO L93 Difference]: Finished difference Result 1972 states and 2677 transitions. [2021-11-04 05:53:35,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-04 05:53:35,906 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 [2021-11-04 05:53:35,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 05:53:35,929 INFO L225 Difference]: With dead ends: 1972 [2021-11-04 05:53:35,929 INFO L226 Difference]: Without dead ends: 964 [2021-11-04 05:53:35,945 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-04 05:53:35,949 INFO L933 BasicCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1233 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1344.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 1233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.86ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1685.22ms IncrementalHoareTripleChecker+Time [2021-11-04 05:53:35,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 1233 Unknown, 0 Unchecked, 9.86ms Time], IncrementalHoareTripleChecker [0 Valid, 1233 Invalid, 0 Unknown, 0 Unchecked, 1685.22ms Time] [2021-11-04 05:53:35,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2021-11-04 05:53:36,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 964. [2021-11-04 05:53:36,047 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) [2021-11-04 05:53:36,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1253 transitions. [2021-11-04 05:53:36,055 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1253 transitions. Word has length 64 [2021-11-04 05:53:36,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 05:53:36,056 INFO L470 AbstractCegarLoop]: Abstraction has 964 states and 1253 transitions. [2021-11-04 05:53:36,056 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) [2021-11-04 05:53:36,056 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1253 transitions. [2021-11-04 05:53:36,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-04 05:53:36,064 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 05:53:36,064 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 05:53:36,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-04 05:53:36,065 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)] === [2021-11-04 05:53:36,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 05:53:36,066 INFO L85 PathProgramCache]: Analyzing trace with hash 2128412571, now seen corresponding path program 1 times [2021-11-04 05:53:36,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 05:53:36,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115180692] [2021-11-04 05:53:36,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 05:53:36,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 05:53:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 05:53:36,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 05:53:36,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 05:53:36,367 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115180692] [2021-11-04 05:53:36,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115180692] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 05:53:36,368 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 05:53:36,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 05:53:36,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703947947] [2021-11-04 05:53:36,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 05:53:36,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 05:53:36,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 05:53:36,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 05:53:36,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 05:53:36,373 INFO L87 Difference]: Start difference. First operand 964 states and 1253 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 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) [2021-11-04 05:53:40,524 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-04 05:53:40,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 05:53:40,653 INFO L93 Difference]: Finished difference Result 1885 states and 2463 transitions. [2021-11-04 05:53:40,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 05:53:40,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 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 [2021-11-04 05:53:40,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 05:53:40,667 INFO L225 Difference]: With dead ends: 1885 [2021-11-04 05:53:40,668 INFO L226 Difference]: Without dead ends: 965 [2021-11-04 05:53:40,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.48ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 05:53:40,674 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 1249 mSDsCounter, 0 mSdLazyCounter, 2415 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3606.81ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 2416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.42ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2415 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4139.40ms IncrementalHoareTripleChecker+Time [2021-11-04 05:53:40,675 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 2416 Unknown, 0 Unchecked, 14.42ms Time], IncrementalHoareTripleChecker [0 Valid, 2415 Invalid, 1 Unknown, 0 Unchecked, 4139.40ms Time] [2021-11-04 05:53:40,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2021-11-04 05:53:40,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 965. [2021-11-04 05:53:40,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 965 states, 913 states have (on average 1.3253012048192772) internal successors, (1210), 935 states have internal predecessors, (1210), 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) [2021-11-04 05:53:40,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1254 transitions. [2021-11-04 05:53:40,716 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1254 transitions. Word has length 64 [2021-11-04 05:53:40,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 05:53:40,717 INFO L470 AbstractCegarLoop]: Abstraction has 965 states and 1254 transitions. [2021-11-04 05:53:40,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 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) [2021-11-04 05:53:40,718 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1254 transitions. [2021-11-04 05:53:40,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-04 05:53:40,719 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 05:53:40,720 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 05:53:40,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-04 05:53:40,720 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)] === [2021-11-04 05:53:40,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 05:53:40,721 INFO L85 PathProgramCache]: Analyzing trace with hash 652277124, now seen corresponding path program 1 times [2021-11-04 05:53:40,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 05:53:40,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111843507] [2021-11-04 05:53:40,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 05:53:40,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 05:53:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 05:53:40,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-04 05:53:40,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 05:53:40,953 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111843507] [2021-11-04 05:53:40,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111843507] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 05:53:40,953 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 05:53:40,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-04 05:53:40,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189387482] [2021-11-04 05:53:40,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 05:53:40,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-04 05:53:40,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 05:53:40,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-04 05:53:40,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-04 05:53:40,955 INFO L87 Difference]: Start difference. First operand 965 states and 1254 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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) [2021-11-04 05:53:49,322 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-04 05:53:49,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 05:53:49,706 INFO L93 Difference]: Finished difference Result 4604 states and 6141 transitions. [2021-11-04 05:53:49,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-04 05:53:49,706 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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 65 [2021-11-04 05:53:49,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 05:53:49,733 INFO L225 Difference]: With dead ends: 4604 [2021-11-04 05:53:49,734 INFO L226 Difference]: Without dead ends: 3687 [2021-11-04 05:53:49,740 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 9.77ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-04 05:53:49,745 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 4775 mSDsluCounter, 4819 mSDsCounter, 0 mSdLazyCounter, 5997 mSolverCounterSat, 54 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7102.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4775 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 6052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 45.70ms SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 5997 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8291.70ms IncrementalHoareTripleChecker+Time [2021-11-04 05:53:49,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4775 Valid, 330 Invalid, 6052 Unknown, 0 Unchecked, 45.70ms Time], IncrementalHoareTripleChecker [54 Valid, 5997 Invalid, 1 Unknown, 0 Unchecked, 8291.70ms Time] [2021-11-04 05:53:49,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3687 states. [2021-11-04 05:53:49,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3687 to 3410. [2021-11-04 05:53:49,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3410 states, 3268 states have (on average 1.3310893512851898) internal successors, (4350), 3299 states have internal predecessors, (4350), 85 states have call successors, (85), 36 states have call predecessors, (85), 36 states have return successors, (190), 78 states have call predecessors, (190), 85 states have call successors, (190) [2021-11-04 05:53:49,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3410 states to 3410 states and 4625 transitions. [2021-11-04 05:53:49,922 INFO L78 Accepts]: Start accepts. Automaton has 3410 states and 4625 transitions. Word has length 65 [2021-11-04 05:53:49,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 05:53:49,924 INFO L470 AbstractCegarLoop]: Abstraction has 3410 states and 4625 transitions. [2021-11-04 05:53:49,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 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) [2021-11-04 05:53:49,926 INFO L276 IsEmpty]: Start isEmpty. Operand 3410 states and 4625 transitions. [2021-11-04 05:53:49,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-04 05:53:49,931 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 05:53:49,932 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 05:53:49,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-04 05:53:49,933 INFO L402 AbstractCegarLoop]: === Iteration 4 === 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)] === [2021-11-04 05:53:49,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 05:53:49,934 INFO L85 PathProgramCache]: Analyzing trace with hash 906234327, now seen corresponding path program 1 times [2021-11-04 05:53:49,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 05:53:49,935 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017842400] [2021-11-04 05:53:49,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 05:53:49,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 05:53:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 05:53:50,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-04 05:53:50,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 05:53:50,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017842400] [2021-11-04 05:53:50,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017842400] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 05:53:50,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 05:53:50,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 05:53:50,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996669543] [2021-11-04 05:53:50,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 05:53:50,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 05:53:50,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 05:53:50,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 05:53:50,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 05:53:50,127 INFO L87 Difference]: Start difference. First operand 3410 states and 4625 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2021-11-04 05:53:52,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 05:53:52,877 INFO L93 Difference]: Finished difference Result 10018 states and 13608 transitions. [2021-11-04 05:53:52,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 05:53:52,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 68 [2021-11-04 05:53:52,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 05:53:52,913 INFO L225 Difference]: With dead ends: 10018 [2021-11-04 05:53:52,913 INFO L226 Difference]: Without dead ends: 6656 [2021-11-04 05:53:52,929 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.81ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 05:53:52,936 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 1204 mSDsluCounter, 1190 mSDsCounter, 0 mSdLazyCounter, 2386 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2074.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1204 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 2388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.00ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2543.28ms IncrementalHoareTripleChecker+Time [2021-11-04 05:53:52,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1204 Valid, 110 Invalid, 2388 Unknown, 0 Unchecked, 6.00ms Time], IncrementalHoareTripleChecker [2 Valid, 2386 Invalid, 0 Unknown, 0 Unchecked, 2543.28ms Time] [2021-11-04 05:53:52,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6656 states. [2021-11-04 05:53:53,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6656 to 6604. [2021-11-04 05:53:53,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6604 states, 6345 states have (on average 1.332702915681639) internal successors, (8456), 6387 states have internal predecessors, (8456), 166 states have call successors, (166), 72 states have call predecessors, (166), 72 states have return successors, (371), 152 states have call predecessors, (371), 166 states have call successors, (371) [2021-11-04 05:53:53,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6604 states to 6604 states and 8993 transitions. [2021-11-04 05:53:53,169 INFO L78 Accepts]: Start accepts. Automaton has 6604 states and 8993 transitions. Word has length 68 [2021-11-04 05:53:53,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 05:53:53,172 INFO L470 AbstractCegarLoop]: Abstraction has 6604 states and 8993 transitions. [2021-11-04 05:53:53,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2021-11-04 05:53:53,172 INFO L276 IsEmpty]: Start isEmpty. Operand 6604 states and 8993 transitions. [2021-11-04 05:53:53,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-04 05:53:53,173 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 05:53:53,173 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 05:53:53,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-04 05:53:53,174 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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)] === [2021-11-04 05:53:53,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 05:53:53,177 INFO L85 PathProgramCache]: Analyzing trace with hash 535116973, now seen corresponding path program 1 times [2021-11-04 05:53:53,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 05:53:53,177 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290930753] [2021-11-04 05:53:53,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 05:53:53,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 05:53:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 05:53:53,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-04 05:53:53,336 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 05:53:53,336 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290930753] [2021-11-04 05:53:53,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290930753] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 05:53:53,337 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 05:53:53,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-04 05:53:53,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090643142] [2021-11-04 05:53:53,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 05:53:53,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 05:53:53,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 05:53:53,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 05:53:53,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 05:53:53,341 INFO L87 Difference]: Start difference. First operand 6604 states and 8993 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 2 states have internal predecessors, (67), 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) [2021-11-04 05:53:54,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 05:53:54,862 INFO L93 Difference]: Finished difference Result 12998 states and 18141 transitions. [2021-11-04 05:53:54,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 05:53:54,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 2 states have internal predecessors, (67), 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 67 [2021-11-04 05:53:54,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 05:53:54,898 INFO L225 Difference]: With dead ends: 12998 [2021-11-04 05:53:54,898 INFO L226 Difference]: Without dead ends: 6432 [2021-11-04 05:53:54,939 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.79ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 05:53:54,940 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 1146 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1167 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1082.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1146 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 1187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.34ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1354.17ms IncrementalHoareTripleChecker+Time [2021-11-04 05:53:54,942 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1146 Valid, 44 Invalid, 1187 Unknown, 0 Unchecked, 2.34ms Time], IncrementalHoareTripleChecker [20 Valid, 1167 Invalid, 0 Unknown, 0 Unchecked, 1354.17ms Time] [2021-11-04 05:53:54,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6432 states. [2021-11-04 05:53:55,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6432 to 6292. [2021-11-04 05:53:55,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6292 states, 6034 states have (on average 1.3200198873052702) internal successors, (7965), 6075 states have internal predecessors, (7965), 166 states have call successors, (166), 72 states have call predecessors, (166), 72 states have return successors, (371), 152 states have call predecessors, (371), 166 states have call successors, (371) [2021-11-04 05:53:55,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6292 states to 6292 states and 8502 transitions. [2021-11-04 05:53:55,197 INFO L78 Accepts]: Start accepts. Automaton has 6292 states and 8502 transitions. Word has length 67 [2021-11-04 05:53:55,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 05:53:55,198 INFO L470 AbstractCegarLoop]: Abstraction has 6292 states and 8502 transitions. [2021-11-04 05:53:55,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 2 states have internal predecessors, (67), 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) [2021-11-04 05:53:55,198 INFO L276 IsEmpty]: Start isEmpty. Operand 6292 states and 8502 transitions. [2021-11-04 05:53:55,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-04 05:53:55,200 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 05:53:55,200 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 05:53:55,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-04 05:53:55,201 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)] === [2021-11-04 05:53:55,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 05:53:55,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1808512430, now seen corresponding path program 1 times [2021-11-04 05:53:55,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 05:53:55,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411115972] [2021-11-04 05:53:55,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 05:53:55,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 05:53:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 05:53:55,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-04 05:53:55,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 05:53:55,332 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411115972] [2021-11-04 05:53:55,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411115972] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 05:53:55,333 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 05:53:55,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 05:53:55,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817201582] [2021-11-04 05:53:55,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 05:53:55,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 05:53:55,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 05:53:55,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 05:53:55,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 05:53:55,335 INFO L87 Difference]: Start difference. First operand 6292 states and 8502 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2021-11-04 05:54:00,100 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-04 05:54:00,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 05:54:00,252 INFO L93 Difference]: Finished difference Result 18712 states and 25308 transitions. [2021-11-04 05:54:00,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 05:54:00,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 78 [2021-11-04 05:54:00,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 05:54:00,320 INFO L225 Difference]: With dead ends: 18712 [2021-11-04 05:54:00,321 INFO L226 Difference]: Without dead ends: 12468 [2021-11-04 05:54:00,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.66ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 05:54:00,353 INFO L933 BasicCegarLoop]: 67 mSDtfsCounter, 1172 mSDsluCounter, 1141 mSDsCounter, 0 mSdLazyCounter, 2305 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4030.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1173 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 2308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.65ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2305 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4594.17ms IncrementalHoareTripleChecker+Time [2021-11-04 05:54:00,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1173 Valid, 111 Invalid, 2308 Unknown, 0 Unchecked, 7.65ms Time], IncrementalHoareTripleChecker [2 Valid, 2305 Invalid, 1 Unknown, 0 Unchecked, 4594.17ms Time] [2021-11-04 05:54:00,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12468 states. [2021-11-04 05:54:00,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12468 to 12334. [2021-11-04 05:54:00,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12334 states, 11846 states have (on average 1.3195171365861895) internal successors, (15631), 11911 states have internal predecessors, (15631), 324 states have call successors, (324), 144 states have call predecessors, (324), 144 states have return successors, (726), 294 states have call predecessors, (726), 324 states have call successors, (726) [2021-11-04 05:54:00,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12334 states to 12334 states and 16681 transitions. [2021-11-04 05:54:00,827 INFO L78 Accepts]: Start accepts. Automaton has 12334 states and 16681 transitions. Word has length 78 [2021-11-04 05:54:00,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 05:54:00,828 INFO L470 AbstractCegarLoop]: Abstraction has 12334 states and 16681 transitions. [2021-11-04 05:54:00,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2021-11-04 05:54:00,829 INFO L276 IsEmpty]: Start isEmpty. Operand 12334 states and 16681 transitions. [2021-11-04 05:54:00,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-04 05:54:00,833 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 05:54:00,834 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 05:54:00,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-04 05:54:00,834 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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)] === [2021-11-04 05:54:00,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 05:54:00,835 INFO L85 PathProgramCache]: Analyzing trace with hash -724211905, now seen corresponding path program 1 times [2021-11-04 05:54:00,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 05:54:00,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860141988] [2021-11-04 05:54:00,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 05:54:00,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 05:54:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 05:54:00,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 05:54:00,996 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 05:54:00,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860141988] [2021-11-04 05:54:00,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860141988] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-04 05:54:00,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [156510061] [2021-11-04 05:54:00,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 05:54:00,997 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-04 05:54:00,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 05:54:01,003 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) [2021-11-04 05:54:01,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-04 05:54:01,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 05:54:01,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 2140 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-04 05:54:01,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-04 05:54:01,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 05:54:01,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-04 05:54:02,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 05:54:02,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [156510061] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-04 05:54:02,081 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-04 05:54:02,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2021-11-04 05:54:02,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421227538] [2021-11-04 05:54:02,082 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-04 05:54:02,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-04 05:54:02,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 05:54:02,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-04 05:54:02,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-11-04 05:54:02,084 INFO L87 Difference]: Start difference. First operand 12334 states and 16681 transitions. Second operand has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 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) [2021-11-04 05:54:04,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 05:54:04,865 INFO L93 Difference]: Finished difference Result 24626 states and 33322 transitions. [2021-11-04 05:54:04,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-04 05:54:04,866 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 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 [2021-11-04 05:54:04,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 05:54:04,922 INFO L225 Difference]: With dead ends: 24626 [2021-11-04 05:54:04,922 INFO L226 Difference]: Without dead ends: 12337 [2021-11-04 05:54:04,964 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.94ms TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2021-11-04 05:54:04,965 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 1193 mSDsCounter, 0 mSdLazyCounter, 2308 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1839.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 2312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.20ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 2308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2341.34ms IncrementalHoareTripleChecker+Time [2021-11-04 05:54:04,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 2312 Unknown, 0 Unchecked, 9.20ms Time], IncrementalHoareTripleChecker [4 Valid, 2308 Invalid, 0 Unknown, 0 Unchecked, 2341.34ms Time] [2021-11-04 05:54:04,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12337 states. [2021-11-04 05:54:05,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12337 to 12337. [2021-11-04 05:54:05,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12337 states, 11849 states have (on average 1.3194362393450925) internal successors, (15634), 11914 states have internal predecessors, (15634), 324 states have call successors, (324), 144 states have call predecessors, (324), 144 states have return successors, (726), 294 states have call predecessors, (726), 324 states have call successors, (726) [2021-11-04 05:54:05,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12337 states to 12337 states and 16684 transitions. [2021-11-04 05:54:05,448 INFO L78 Accepts]: Start accepts. Automaton has 12337 states and 16684 transitions. Word has length 80 [2021-11-04 05:54:05,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 05:54:05,448 INFO L470 AbstractCegarLoop]: Abstraction has 12337 states and 16684 transitions. [2021-11-04 05:54:05,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.625) internal successors, (85), 8 states have internal predecessors, (85), 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) [2021-11-04 05:54:05,449 INFO L276 IsEmpty]: Start isEmpty. Operand 12337 states and 16684 transitions. [2021-11-04 05:54:05,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-04 05:54:05,454 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 05:54:05,455 INFO L514 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 05:54:05,486 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-04 05:54:05,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-04 05:54:05,684 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)] === [2021-11-04 05:54:05,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 05:54:05,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1537633784, now seen corresponding path program 2 times [2021-11-04 05:54:05,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 05:54:05,685 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41971182] [2021-11-04 05:54:05,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 05:54:05,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 05:54:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 05:54:05,932 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 05:54:05,932 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 05:54:05,933 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41971182] [2021-11-04 05:54:05,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41971182] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-04 05:54:05,933 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54447934] [2021-11-04 05:54:05,933 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-04 05:54:05,933 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-04 05:54:05,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 05:54:05,935 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) [2021-11-04 05:54:05,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-04 05:54:06,511 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-04 05:54:06,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-04 05:54:06,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 2134 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-04 05:54:06,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-04 05:54:06,705 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-04 05:54:06,706 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-04 05:54:06,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54447934] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 05:54:06,706 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-04 05:54:06,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2021-11-04 05:54:06,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962354948] [2021-11-04 05:54:06,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 05:54:06,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 05:54:06,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 05:54:06,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 05:54:06,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-04 05:54:06,709 INFO L87 Difference]: Start difference. First operand 12337 states and 16684 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) [2021-11-04 05:54:10,611 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-04 05:54:10,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 05:54:10,736 INFO L93 Difference]: Finished difference Result 24595 states and 33252 transitions. [2021-11-04 05:54:10,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 05:54:10,737 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 83 [2021-11-04 05:54:10,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 05:54:10,785 INFO L225 Difference]: With dead ends: 24595 [2021-11-04 05:54:10,785 INFO L226 Difference]: Without dead ends: 12309 [2021-11-04 05:54:10,816 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 41.32ms TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-11-04 05:54:10,817 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 1180 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 1150 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3287.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1181 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 1152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.67ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1150 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3679.16ms IncrementalHoareTripleChecker+Time [2021-11-04 05:54:10,817 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1181 Valid, 42 Invalid, 1152 Unknown, 0 Unchecked, 2.67ms Time], IncrementalHoareTripleChecker [1 Valid, 1150 Invalid, 1 Unknown, 0 Unchecked, 3679.16ms Time] [2021-11-04 05:54:10,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12309 states. [2021-11-04 05:54:11,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12309 to 12309. [2021-11-04 05:54:11,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12309 states, 11835 states have (on average 1.3184621884241656) internal successors, (15604), 11902 states have internal predecessors, (15604), 308 states have call successors, (308), 144 states have call predecessors, (308), 146 states have return successors, (692), 278 states have call predecessors, (692), 308 states have call successors, (692) [2021-11-04 05:54:11,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12309 states to 12309 states and 16604 transitions. [2021-11-04 05:54:11,232 INFO L78 Accepts]: Start accepts. Automaton has 12309 states and 16604 transitions. Word has length 83 [2021-11-04 05:54:11,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 05:54:11,232 INFO L470 AbstractCegarLoop]: Abstraction has 12309 states and 16604 transitions. [2021-11-04 05:54:11,232 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) [2021-11-04 05:54:11,233 INFO L276 IsEmpty]: Start isEmpty. Operand 12309 states and 16604 transitions. [2021-11-04 05:54:11,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-04 05:54:11,234 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 05:54:11,234 INFO L514 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 05:54:11,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-04 05:54:11,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-04 05:54:11,447 INFO L402 AbstractCegarLoop]: === Iteration 9 === 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)] === [2021-11-04 05:54:11,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 05:54:11,448 INFO L85 PathProgramCache]: Analyzing trace with hash -808164675, now seen corresponding path program 1 times [2021-11-04 05:54:11,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 05:54:11,448 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518354817] [2021-11-04 05:54:11,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 05:54:11,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 05:54:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 05:54:11,577 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-04 05:54:11,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 05:54:11,578 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518354817] [2021-11-04 05:54:11,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518354817] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 05:54:11,578 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 05:54:11,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 05:54:11,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705970528] [2021-11-04 05:54:11,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 05:54:11,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 05:54:11,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 05:54:11,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 05:54:11,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 05:54:11,580 INFO L87 Difference]: Start difference. First operand 12309 states and 16604 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, (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) [2021-11-04 05:54:14,742 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-04 05:54:16,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 05:54:16,843 INFO L93 Difference]: Finished difference Result 31987 states and 43290 transitions. [2021-11-04 05:54:16,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 05:54:16,844 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, (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 85 [2021-11-04 05:54:16,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 05:54:16,919 INFO L225 Difference]: With dead ends: 31987 [2021-11-04 05:54:16,920 INFO L226 Difference]: Without dead ends: 19729 [2021-11-04 05:54:16,949 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.98ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 05:54:16,951 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 757 mSDsluCounter, 1137 mSDsCounter, 0 mSdLazyCounter, 2601 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4016.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 758 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 2604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.43ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2601 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4735.11ms IncrementalHoareTripleChecker+Time [2021-11-04 05:54:16,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [758 Valid, 110 Invalid, 2604 Unknown, 0 Unchecked, 7.43ms Time], IncrementalHoareTripleChecker [2 Valid, 2601 Invalid, 1 Unknown, 0 Unchecked, 4735.11ms Time] [2021-11-04 05:54:16,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19729 states. [2021-11-04 05:54:17,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19729 to 19625. [2021-11-04 05:54:17,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19625 states, 18731 states have (on average 1.3176018365276814) internal successors, (24680), 18846 states have internal predecessors, (24680), 584 states have call successors, (584), 288 states have call predecessors, (584), 290 states have return successors, (1312), 522 states have call predecessors, (1312), 584 states have call successors, (1312) [2021-11-04 05:54:17,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19625 states to 19625 states and 26576 transitions. [2021-11-04 05:54:17,564 INFO L78 Accepts]: Start accepts. Automaton has 19625 states and 26576 transitions. Word has length 85 [2021-11-04 05:54:17,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 05:54:17,564 INFO L470 AbstractCegarLoop]: Abstraction has 19625 states and 26576 transitions. [2021-11-04 05:54:17,565 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, (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) [2021-11-04 05:54:17,565 INFO L276 IsEmpty]: Start isEmpty. Operand 19625 states and 26576 transitions. [2021-11-04 05:54:17,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-04 05:54:17,566 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 05:54:17,566 INFO L514 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 05:54:17,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-04 05:54:17,567 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)] === [2021-11-04 05:54:17,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 05:54:17,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1057499435, now seen corresponding path program 1 times [2021-11-04 05:54:17,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 05:54:17,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670857970] [2021-11-04 05:54:17,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 05:54:17,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 05:54:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 05:54:17,806 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 05:54:17,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 05:54:17,806 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670857970] [2021-11-04 05:54:17,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670857970] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-04 05:54:17,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465689706] [2021-11-04 05:54:17,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 05:54:17,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-04 05:54:17,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 05:54:17,808 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-04 05:54:17,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-04 05:54:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 05:54:18,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 2160 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-04 05:54:18,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-04 05:54:18,657 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 05:54:18,657 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-04 05:54:18,905 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 05:54:18,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1465689706] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-04 05:54:18,906 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-04 05:54:18,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2021-11-04 05:54:18,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7991184] [2021-11-04 05:54:18,906 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-04 05:54:18,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-04 05:54:18,906 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 05:54:18,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-04 05:54:18,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=148, Unknown=0, NotChecked=0, Total=272 [2021-11-04 05:54:18,907 INFO L87 Difference]: Start difference. First operand 19625 states and 26576 transitions. Second operand has 17 states, 17 states have (on average 5.588235294117647) internal successors, (95), 17 states have internal predecessors, (95), 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) [2021-11-04 05:54:23,119 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-04 05:54:25,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 05:54:25,373 INFO L93 Difference]: Finished difference Result 39206 states and 53111 transitions. [2021-11-04 05:54:25,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-04 05:54:25,374 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.588235294117647) internal successors, (95), 17 states have internal predecessors, (95), 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 84 [2021-11-04 05:54:25,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 05:54:25,465 INFO L225 Difference]: With dead ends: 39206 [2021-11-04 05:54:25,466 INFO L226 Difference]: Without dead ends: 19629 [2021-11-04 05:54:25,541 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 175.30ms TimeCoverageRelationStatistics Valid=124, Invalid=148, Unknown=0, NotChecked=0, Total=272 [2021-11-04 05:54:25,542 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 0 mSDsluCounter, 3564 mSDsCounter, 0 mSdLazyCounter, 4600 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4864.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 4610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.47ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 4600 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5838.09ms IncrementalHoareTripleChecker+Time [2021-11-04 05:54:25,543 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 168 Invalid, 4610 Unknown, 0 Unchecked, 11.47ms Time], IncrementalHoareTripleChecker [9 Valid, 4600 Invalid, 1 Unknown, 0 Unchecked, 5838.09ms Time] [2021-11-04 05:54:25,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19629 states. [2021-11-04 05:54:26,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19629 to 19629. [2021-11-04 05:54:26,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19629 states, 18735 states have (on average 1.3175340272217775) internal successors, (24684), 18850 states have internal predecessors, (24684), 584 states have call successors, (584), 288 states have call predecessors, (584), 290 states have return successors, (1312), 522 states have call predecessors, (1312), 584 states have call successors, (1312) [2021-11-04 05:54:26,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19629 states to 19629 states and 26580 transitions. [2021-11-04 05:54:26,251 INFO L78 Accepts]: Start accepts. Automaton has 19629 states and 26580 transitions. Word has length 84 [2021-11-04 05:54:26,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 05:54:26,252 INFO L470 AbstractCegarLoop]: Abstraction has 19629 states and 26580 transitions. [2021-11-04 05:54:26,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.588235294117647) internal successors, (95), 17 states have internal predecessors, (95), 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) [2021-11-04 05:54:26,252 INFO L276 IsEmpty]: Start isEmpty. Operand 19629 states and 26580 transitions. [2021-11-04 05:54:26,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-04 05:54:26,253 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 05:54:26,253 INFO L514 BasicCegarLoop]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 05:54:26,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-04 05:54:26,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-04 05:54:26,464 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)] === [2021-11-04 05:54:26,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 05:54:26,464 INFO L85 PathProgramCache]: Analyzing trace with hash -415548565, now seen corresponding path program 2 times [2021-11-04 05:54:26,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 05:54:26,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384217094] [2021-11-04 05:54:26,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 05:54:26,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 05:54:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 05:54:26,858 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-04 05:54:26,859 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 05:54:26,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384217094] [2021-11-04 05:54:26,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384217094] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 05:54:26,859 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 05:54:26,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-04 05:54:26,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030257033] [2021-11-04 05:54:26,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 05:54:26,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-04 05:54:26,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 05:54:26,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-04 05:54:26,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-04 05:54:26,862 INFO L87 Difference]: Start difference. First operand 19629 states and 26580 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 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) [2021-11-04 05:54:31,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 05:54:31,523 INFO L93 Difference]: Finished difference Result 39427 states and 54752 transitions. [2021-11-04 05:54:31,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-04 05:54:31,524 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 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 88 [2021-11-04 05:54:31,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 05:54:31,605 INFO L225 Difference]: With dead ends: 39427 [2021-11-04 05:54:31,605 INFO L226 Difference]: Without dead ends: 19853 [2021-11-04 05:54:31,702 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.43ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-04 05:54:31,703 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 12 mSDsluCounter, 3557 mSDsCounter, 0 mSdLazyCounter, 4595 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2963.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 4595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.34ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3990.10ms IncrementalHoareTripleChecker+Time [2021-11-04 05:54:31,703 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 168 Invalid, 4595 Unknown, 0 Unchecked, 15.34ms Time], IncrementalHoareTripleChecker [0 Valid, 4595 Invalid, 0 Unknown, 0 Unchecked, 3990.10ms Time] [2021-11-04 05:54:31,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19853 states. [2021-11-04 05:54:32,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19853 to 19805. [2021-11-04 05:54:32,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19805 states, 18895 states have (on average 1.3148451971421011) internal successors, (24844), 19026 states have internal predecessors, (24844), 584 states have call successors, (584), 288 states have call predecessors, (584), 306 states have return successors, (1384), 522 states have call predecessors, (1384), 584 states have call successors, (1384) [2021-11-04 05:54:32,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19805 states to 19805 states and 26812 transitions. [2021-11-04 05:54:32,454 INFO L78 Accepts]: Start accepts. Automaton has 19805 states and 26812 transitions. Word has length 88 [2021-11-04 05:54:32,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 05:54:32,454 INFO L470 AbstractCegarLoop]: Abstraction has 19805 states and 26812 transitions. [2021-11-04 05:54:32,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 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) [2021-11-04 05:54:32,455 INFO L276 IsEmpty]: Start isEmpty. Operand 19805 states and 26812 transitions. [2021-11-04 05:54:32,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-04 05:54:32,456 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 05:54:32,456 INFO L514 BasicCegarLoop]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 05:54:32,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-04 05:54:32,456 INFO L402 AbstractCegarLoop]: === Iteration 12 === 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)] === [2021-11-04 05:54:32,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 05:54:32,457 INFO L85 PathProgramCache]: Analyzing trace with hash -986563548, now seen corresponding path program 1 times [2021-11-04 05:54:32,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 05:54:32,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189911519] [2021-11-04 05:54:32,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 05:54:32,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 05:54:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 05:54:32,653 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-04 05:54:32,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 05:54:32,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189911519] [2021-11-04 05:54:32,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189911519] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 05:54:32,654 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 05:54:32,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 05:54:32,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399807130] [2021-11-04 05:54:32,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 05:54:32,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 05:54:32,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 05:54:32,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 05:54:32,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 05:54:32,656 INFO L87 Difference]: Start difference. First operand 19805 states and 26812 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) [2021-11-04 05:54:35,892 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-04 05:54:37,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 05:54:37,285 INFO L93 Difference]: Finished difference Result 39491 states and 53416 transitions. [2021-11-04 05:54:37,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 05:54:37,286 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 89 [2021-11-04 05:54:37,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 05:54:37,366 INFO L225 Difference]: With dead ends: 39491 [2021-11-04 05:54:37,366 INFO L226 Difference]: Without dead ends: 19741 [2021-11-04 05:54:37,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.76ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 05:54:37,451 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 1175 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3570.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1176 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.18ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4117.53ms IncrementalHoareTripleChecker+Time [2021-11-04 05:54:37,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1176 Valid, 40 Invalid, 1150 Unknown, 0 Unchecked, 3.18ms Time], IncrementalHoareTripleChecker [1 Valid, 1148 Invalid, 1 Unknown, 0 Unchecked, 4117.53ms Time] [2021-11-04 05:54:37,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19741 states. [2021-11-04 05:54:38,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19741 to 19741. [2021-11-04 05:54:38,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19741 states, 18863 states have (on average 1.3136828712293909) internal successors, (24780), 18994 states have internal predecessors, (24780), 552 states have call successors, (552), 288 states have call predecessors, (552), 306 states have return successors, (1296), 490 states have call predecessors, (1296), 552 states have call successors, (1296) [2021-11-04 05:54:38,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19741 states to 19741 states and 26628 transitions. [2021-11-04 05:54:38,129 INFO L78 Accepts]: Start accepts. Automaton has 19741 states and 26628 transitions. Word has length 89 [2021-11-04 05:54:38,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 05:54:38,129 INFO L470 AbstractCegarLoop]: Abstraction has 19741 states and 26628 transitions. [2021-11-04 05:54:38,129 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) [2021-11-04 05:54:38,129 INFO L276 IsEmpty]: Start isEmpty. Operand 19741 states and 26628 transitions. [2021-11-04 05:54:38,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-04 05:54:38,131 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 05:54:38,131 INFO L514 BasicCegarLoop]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 05:54:38,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-04 05:54:38,131 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)] === [2021-11-04 05:54:38,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 05:54:38,132 INFO L85 PathProgramCache]: Analyzing trace with hash 506875856, now seen corresponding path program 1 times [2021-11-04 05:54:38,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 05:54:38,132 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472225151] [2021-11-04 05:54:38,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 05:54:38,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 05:54:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 05:54:38,292 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-04 05:54:38,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 05:54:38,292 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472225151] [2021-11-04 05:54:38,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472225151] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 05:54:38,293 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 05:54:38,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 05:54:38,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875113026] [2021-11-04 05:54:38,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 05:54:38,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 05:54:38,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 05:54:38,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 05:54:38,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 05:54:38,296 INFO L87 Difference]: Start difference. First operand 19741 states and 26628 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) [2021-11-04 05:54:40,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 05:54:40,823 INFO L93 Difference]: Finished difference Result 39363 states and 53048 transitions. [2021-11-04 05:54:40,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 05:54:40,825 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 90 [2021-11-04 05:54:40,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 05:54:40,890 INFO L225 Difference]: With dead ends: 39363 [2021-11-04 05:54:40,890 INFO L226 Difference]: Without dead ends: 19677 [2021-11-04 05:54:40,957 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.61ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 05:54:40,958 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 1171 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1146 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1440.29ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1171 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.85ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1907.88ms IncrementalHoareTripleChecker+Time [2021-11-04 05:54:40,958 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1171 Valid, 38 Invalid, 1147 Unknown, 0 Unchecked, 2.85ms Time], IncrementalHoareTripleChecker [1 Valid, 1146 Invalid, 0 Unknown, 0 Unchecked, 1907.88ms Time] [2021-11-04 05:54:40,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19677 states. [2021-11-04 05:54:41,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19677 to 19677. [2021-11-04 05:54:41,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19677 states, 18831 states have (on average 1.3125165949763689) internal successors, (24716), 18962 states have internal predecessors, (24716), 520 states have call successors, (520), 288 states have call predecessors, (520), 306 states have return successors, (1208), 458 states have call predecessors, (1208), 520 states have call successors, (1208) [2021-11-04 05:54:41,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19677 states to 19677 states and 26444 transitions. [2021-11-04 05:54:41,668 INFO L78 Accepts]: Start accepts. Automaton has 19677 states and 26444 transitions. Word has length 90 [2021-11-04 05:54:41,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 05:54:41,669 INFO L470 AbstractCegarLoop]: Abstraction has 19677 states and 26444 transitions. [2021-11-04 05:54:41,669 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) [2021-11-04 05:54:41,669 INFO L276 IsEmpty]: Start isEmpty. Operand 19677 states and 26444 transitions. [2021-11-04 05:54:41,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-04 05:54:41,671 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 05:54:41,671 INFO L514 BasicCegarLoop]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 05:54:41,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-04 05:54:41,671 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)] === [2021-11-04 05:54:41,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 05:54:41,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1949622675, now seen corresponding path program 1 times [2021-11-04 05:54:41,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 05:54:41,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601683375] [2021-11-04 05:54:41,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 05:54:41,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 05:54:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 05:54:41,845 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-04 05:54:41,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 05:54:41,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601683375] [2021-11-04 05:54:41,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601683375] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 05:54:41,845 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 05:54:41,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 05:54:41,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262462848] [2021-11-04 05:54:41,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 05:54:41,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 05:54:41,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 05:54:41,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 05:54:41,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 05:54:41,847 INFO L87 Difference]: Start difference. First operand 19677 states and 26444 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2021-11-04 05:54:44,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 05:54:44,744 INFO L93 Difference]: Finished difference Result 38467 states and 51669 transitions. [2021-11-04 05:54:44,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 05:54:44,748 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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 91 [2021-11-04 05:54:44,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 05:54:44,818 INFO L225 Difference]: With dead ends: 38467 [2021-11-04 05:54:44,818 INFO L226 Difference]: Without dead ends: 18845 [2021-11-04 05:54:44,888 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.88ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 05:54:44,889 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 1166 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1710.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1166 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 1145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.13ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2269.31ms IncrementalHoareTripleChecker+Time [2021-11-04 05:54:44,889 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1166 Valid, 36 Invalid, 1145 Unknown, 0 Unchecked, 3.13ms Time], IncrementalHoareTripleChecker [1 Valid, 1144 Invalid, 0 Unknown, 0 Unchecked, 2269.31ms Time] [2021-11-04 05:54:44,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18845 states. [2021-11-04 05:54:45,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18845 to 18455. [2021-11-04 05:54:45,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18455 states, 17709 states have (on average 1.3139081822801966) internal successors, (23268), 17829 states have internal predecessors, (23268), 449 states have call successors, (449), 261 states have call predecessors, (449), 277 states have return successors, (1014), 393 states have call predecessors, (1014), 449 states have call successors, (1014) [2021-11-04 05:54:45,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18455 states to 18455 states and 24731 transitions. [2021-11-04 05:54:45,574 INFO L78 Accepts]: Start accepts. Automaton has 18455 states and 24731 transitions. Word has length 91 [2021-11-04 05:54:45,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 05:54:45,575 INFO L470 AbstractCegarLoop]: Abstraction has 18455 states and 24731 transitions. [2021-11-04 05:54:45,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2021-11-04 05:54:45,575 INFO L276 IsEmpty]: Start isEmpty. Operand 18455 states and 24731 transitions. [2021-11-04 05:54:45,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-04 05:54:45,576 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 05:54:45,577 INFO L514 BasicCegarLoop]: trace histogram [8, 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] [2021-11-04 05:54:45,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-04 05:54:45,577 INFO L402 AbstractCegarLoop]: === Iteration 15 === 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)] === [2021-11-04 05:54:45,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 05:54:45,577 INFO L85 PathProgramCache]: Analyzing trace with hash -986277614, now seen corresponding path program 1 times [2021-11-04 05:54:45,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 05:54:45,578 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521106866] [2021-11-04 05:54:45,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 05:54:45,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 05:54:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 05:54:45,722 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-04 05:54:45,722 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 05:54:45,722 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521106866] [2021-11-04 05:54:45,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521106866] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 05:54:45,722 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 05:54:45,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 05:54:45,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930422371] [2021-11-04 05:54:45,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 05:54:45,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 05:54:45,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 05:54:45,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 05:54:45,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 05:54:45,724 INFO L87 Difference]: Start difference. First operand 18455 states and 24731 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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) [2021-11-04 05:54:50,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 05:54:50,796 INFO L93 Difference]: Finished difference Result 45838 states and 61473 transitions. [2021-11-04 05:54:50,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 05:54:50,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 97 [2021-11-04 05:54:50,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 05:54:50,871 INFO L225 Difference]: With dead ends: 45838 [2021-11-04 05:54:50,872 INFO L226 Difference]: Without dead ends: 27438 [2021-11-04 05:54:50,936 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.77ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 05:54:50,937 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 1107 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 2627 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3260.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1107 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 2635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.59ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4276.02ms IncrementalHoareTripleChecker+Time [2021-11-04 05:54:50,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1107 Valid, 93 Invalid, 2635 Unknown, 0 Unchecked, 7.59ms Time], IncrementalHoareTripleChecker [8 Valid, 2627 Invalid, 0 Unknown, 0 Unchecked, 4276.02ms Time] [2021-11-04 05:54:50,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27438 states. [2021-11-04 05:54:51,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27438 to 26988. [2021-11-04 05:54:51,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26988 states, 25921 states have (on average 1.3141468307549864) internal successors, (34064), 26086 states have internal predecessors, (34064), 646 states have call successors, (646), 378 states have call predecessors, (646), 401 states have return successors, (1450), 565 states have call predecessors, (1450), 646 states have call successors, (1450) [2021-11-04 05:54:52,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26988 states to 26988 states and 36160 transitions. [2021-11-04 05:54:52,005 INFO L78 Accepts]: Start accepts. Automaton has 26988 states and 36160 transitions. Word has length 97 [2021-11-04 05:54:52,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 05:54:52,006 INFO L470 AbstractCegarLoop]: Abstraction has 26988 states and 36160 transitions. [2021-11-04 05:54:52,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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) [2021-11-04 05:54:52,006 INFO L276 IsEmpty]: Start isEmpty. Operand 26988 states and 36160 transitions. [2021-11-04 05:54:52,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-04 05:54:52,010 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 05:54:52,010 INFO L514 BasicCegarLoop]: trace histogram [8, 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] [2021-11-04 05:54:52,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-04 05:54:52,011 INFO L402 AbstractCegarLoop]: === Iteration 16 === 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)] === [2021-11-04 05:54:52,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 05:54:52,011 INFO L85 PathProgramCache]: Analyzing trace with hash 831535142, now seen corresponding path program 1 times [2021-11-04 05:54:52,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 05:54:52,012 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509858475] [2021-11-04 05:54:52,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 05:54:52,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 05:54:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 05:54:53,465 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-04 05:54:53,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 05:54:53,466 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509858475] [2021-11-04 05:54:53,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509858475] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-04 05:54:53,466 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529114751] [2021-11-04 05:54:53,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 05:54:53,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-04 05:54:53,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 05:54:53,467 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-04 05:54:53,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-04 05:54:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 05:54:54,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 2330 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-04 05:54:54,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-04 05:54:54,428 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-04 05:54:54,428 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-04 05:54:54,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529114751] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 05:54:54,428 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-04 05:54:54,428 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [12] total 15 [2021-11-04 05:54:54,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826789964] [2021-11-04 05:54:54,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 05:54:54,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-04 05:54:54,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 05:54:54,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-04 05:54:54,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2021-11-04 05:54:54,430 INFO L87 Difference]: Start difference. First operand 26988 states and 36160 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) [2021-11-04 05:54:58,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 05:54:58,679 INFO L93 Difference]: Finished difference Result 54069 states and 72460 transitions. [2021-11-04 05:54:58,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-04 05:54:58,680 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 108 [2021-11-04 05:54:58,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 05:54:58,762 INFO L225 Difference]: With dead ends: 54069 [2021-11-04 05:54:58,762 INFO L226 Difference]: Without dead ends: 26944 [2021-11-04 05:54:58,831 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 109 SyntacticMatches, 7 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 344.49ms TimeCoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2021-11-04 05:54:58,831 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 3 mSDsluCounter, 2351 mSDsCounter, 0 mSdLazyCounter, 3430 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2460.12ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 3433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.76ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3370.05ms IncrementalHoareTripleChecker+Time [2021-11-04 05:54:58,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 108 Invalid, 3433 Unknown, 0 Unchecked, 9.76ms Time], IncrementalHoareTripleChecker [3 Valid, 3430 Invalid, 0 Unknown, 0 Unchecked, 3370.05ms Time] [2021-11-04 05:54:58,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26944 states. [2021-11-04 05:54:59,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26944 to 26768. [2021-11-04 05:54:59,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26768 states, 25701 states have (on average 1.3131006575619626) internal successors, (33748), 25866 states have internal predecessors, (33748), 646 states have call successors, (646), 378 states have call predecessors, (646), 401 states have return successors, (1450), 565 states have call predecessors, (1450), 646 states have call successors, (1450) [2021-11-04 05:54:59,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26768 states to 26768 states and 35844 transitions. [2021-11-04 05:54:59,707 INFO L78 Accepts]: Start accepts. Automaton has 26768 states and 35844 transitions. Word has length 108 [2021-11-04 05:54:59,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 05:54:59,707 INFO L470 AbstractCegarLoop]: Abstraction has 26768 states and 35844 transitions. [2021-11-04 05:54:59,708 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) [2021-11-04 05:54:59,708 INFO L276 IsEmpty]: Start isEmpty. Operand 26768 states and 35844 transitions. [2021-11-04 05:54:59,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-04 05:54:59,710 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 05:54:59,711 INFO L514 BasicCegarLoop]: trace histogram [8, 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] [2021-11-04 05:54:59,738 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-04 05:54:59,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-04 05:54:59,931 INFO L402 AbstractCegarLoop]: === Iteration 17 === 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)] === [2021-11-04 05:54:59,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 05:54:59,932 INFO L85 PathProgramCache]: Analyzing trace with hash -540272156, now seen corresponding path program 1 times [2021-11-04 05:54:59,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 05:54:59,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159791149] [2021-11-04 05:54:59,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 05:54:59,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 05:55:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 05:55:01,261 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-04 05:55:01,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 05:55:01,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159791149] [2021-11-04 05:55:01,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159791149] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-04 05:55:01,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1913665568] [2021-11-04 05:55:01,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 05:55:01,262 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-04 05:55:01,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 05:55:01,263 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-04 05:55:01,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-04 05:55:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 05:55:05,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 2331 conjuncts, 94 conjunts are in the unsatisfiable core [2021-11-04 05:55:05,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-04 05:56:55,424 WARN L210 SmtUtils]: Spent 1.82m on a formula simplification. DAG size of input: 4679 DAG size of output: 217 [2021-11-04 05:56:55,426 INFO L354 Elim1Store]: treesize reduction 93532, result has 0.5 percent of original size [2021-11-04 05:56:55,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 1 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 143 case distinctions, treesize of input 8038572902122929 treesize of output 7748155786721390 Killed by 15