./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/bin/uautomizer-w2VwFs6gM0/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/bin/uautomizer-w2VwFs6gM0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 25e54376eacb2d0548e63287dfbc7c840529d47c5fe4674c2562ee16254781b6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:39:21,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:39:21,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:39:21,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:39:21,966 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:39:21,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:39:21,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:39:21,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:39:21,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:39:21,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:39:21,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:39:21,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:39:21,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:39:21,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:39:21,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:39:21,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:39:22,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:39:22,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:39:22,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:39:22,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:39:22,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:39:22,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:39:22,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:39:22,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:39:22,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:39:22,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:39:22,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:39:22,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:39:22,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:39:22,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:39:22,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:39:22,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:39:22,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:39:22,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:39:22,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:39:22,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:39:22,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:39:22,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:39:22,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:39:22,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:39:22,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:39:22,052 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-22 15:39:22,085 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:39:22,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:39:22,086 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:39:22,086 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:39:22,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:39:22,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:39:22,095 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:39:22,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:39:22,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:39:22,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:39:22,098 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 15:39:22,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 15:39:22,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 15:39:22,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 15:39:22,099 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:39:22,099 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 15:39:22,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:39:22,099 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:39:22,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 15:39:22,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:39:22,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:39:22,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 15:39:22,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 15:39:22,101 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 15:39:22,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 15:39:22,102 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 15:39:22,102 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 15:39:22,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 15:39:22,102 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:39:22,104 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25e54376eacb2d0548e63287dfbc7c840529d47c5fe4674c2562ee16254781b6 [2021-11-22 15:39:22,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:39:22,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:39:22,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:39:22,507 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:39:22,508 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:39:22,510 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/bin/uautomizer-w2VwFs6gM0/../../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 [2021-11-22 15:39:22,584 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/bin/uautomizer-w2VwFs6gM0/data/b6076abc5/f26f7099770146dcb8ab60dd752ab3d0/FLAGf91584ca5 [2021-11-22 15:39:23,478 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:39:23,478 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/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 [2021-11-22 15:39:23,526 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/bin/uautomizer-w2VwFs6gM0/data/b6076abc5/f26f7099770146dcb8ab60dd752ab3d0/FLAGf91584ca5 [2021-11-22 15:39:24,034 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/bin/uautomizer-w2VwFs6gM0/data/b6076abc5/f26f7099770146dcb8ab60dd752ab3d0 [2021-11-22 15:39:24,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:39:24,039 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:39:24,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:39:24,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:39:24,045 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:39:24,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:39:24" (1/1) ... [2021-11-22 15:39:24,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ad81f5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:39:24, skipping insertion in model container [2021-11-22 15:39:24,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:39:24" (1/1) ... [2021-11-22 15:39:24,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:39:24,173 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:39:25,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/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] [2021-11-22 15:39:25,660 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-22 15:39:25,668 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:39:25,731 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:39:26,114 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/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] [2021-11-22 15:39:26,137 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-22 15:39:26,143 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:39:26,258 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:39:26,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:39:26 WrapperNode [2021-11-22 15:39:26,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:39:26,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:39:26,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:39:26,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:39:26,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:39:26" (1/1) ... [2021-11-22 15:39:26,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:39:26" (1/1) ... [2021-11-22 15:39:26,580 INFO L137 Inliner]: procedures = 189, calls = 838, calls flagged for inlining = 240, calls inlined = 567, statements flattened = 5348 [2021-11-22 15:39:26,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:39:26,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:39:26,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:39:26,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:39:26,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:39:26" (1/1) ... [2021-11-22 15:39:26,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:39:26" (1/1) ... [2021-11-22 15:39:26,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:39:26" (1/1) ... [2021-11-22 15:39:26,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:39:26" (1/1) ... [2021-11-22 15:39:26,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:39:26" (1/1) ... [2021-11-22 15:39:26,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:39:26" (1/1) ... [2021-11-22 15:39:26,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:39:26" (1/1) ... [2021-11-22 15:39:26,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:39:26,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:39:26,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:39:26,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:39:26,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:39:26" (1/1) ... [2021-11-22 15:39:26,897 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:39:26,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:39:26,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 15:39:26,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 15:39:27,013 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-22 15:39:27,013 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_add_port [2021-11-22 15:39:27,014 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_add_port [2021-11-22 15:39:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 15:39:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-22 15:39:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2021-11-22 15:39:27,014 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2021-11-22 15:39:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure old_gameport_measure_speed [2021-11-22 15:39:27,015 INFO L138 BoogieDeclarations]: Found implementation of procedure old_gameport_measure_speed [2021-11-22 15:39:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 15:39:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_driver_remove [2021-11-22 15:39:27,015 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_driver_remove [2021-11-22 15:39:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 15:39:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 15:39:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 15:39:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 15:39:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-22 15:39:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-22 15:39:27,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-22 15:39:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-22 15:39:27,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-22 15:39:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 15:39:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-22 15:39:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 15:39:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 15:39:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_measure_speed [2021-11-22 15:39:27,018 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_measure_speed [2021-11-22 15:39:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2021-11-22 15:39:27,018 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2021-11-22 15:39:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 15:39:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:39:27,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:39:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_handle_events [2021-11-22 15:39:27,019 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_handle_events [2021-11-22 15:39:27,601 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:39:27,604 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:39:33,167 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:39:33,197 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:39:33,197 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 15:39:33,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:39:33 BoogieIcfgContainer [2021-11-22 15:39:33,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:39:33,206 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 15:39:33,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 15:39:33,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 15:39:33,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:39:24" (1/3) ... [2021-11-22 15:39:33,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23686f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:39:33, skipping insertion in model container [2021-11-22 15:39:33,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:39:26" (2/3) ... [2021-11-22 15:39:33,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23686f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:39:33, skipping insertion in model container [2021-11-22 15:39:33,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:39:33" (3/3) ... [2021-11-22 15:39:33,215 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--input--gameport--gameport.ko-entry_point.cil.out.i [2021-11-22 15:39:33,222 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 15:39:33,222 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2021-11-22 15:39:33,306 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:39:33,315 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 [2021-11-22 15:39:33,315 INFO L340 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2021-11-22 15:39:33,378 INFO L276 IsEmpty]: Start isEmpty. Operand has 1208 states, 1155 states have (on average 1.3038961038961039) internal successors, (1506), 1178 states have internal predecessors, (1506), 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) [2021-11-22 15:39:33,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 15:39:33,393 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:39:33,394 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] [2021-11-22 15:39:33,394 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)] === [2021-11-22 15:39:33,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:39:33,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1198748584, now seen corresponding path program 1 times [2021-11-22 15:39:33,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:39:33,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248601801] [2021-11-22 15:39:33,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:39:33,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:39:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:39:34,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:39:34,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:39:34,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248601801] [2021-11-22 15:39:34,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248601801] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:39:34,015 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:39:34,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:39:34,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065353445] [2021-11-22 15:39:34,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:39:34,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 15:39:34,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:39:34,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 15:39:34,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 15:39:34,068 INFO L87 Difference]: Start difference. First operand has 1208 states, 1155 states have (on average 1.3038961038961039) internal successors, (1506), 1178 states have internal predecessors, (1506), 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) [2021-11-22 15:39:34,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:39:34,246 INFO L93 Difference]: Finished difference Result 2391 states and 3096 transitions. [2021-11-22 15:39:34,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 15:39:34,251 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 [2021-11-22 15:39:34,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:39:34,290 INFO L225 Difference]: With dead ends: 2391 [2021-11-22 15:39:34,291 INFO L226 Difference]: Without dead ends: 1163 [2021-11-22 15:39:34,313 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 15:39:34,318 INFO L933 BasicCegarLoop]: 1496 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1496 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:39:34,320 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1496 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:39:34,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2021-11-22 15:39:34,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 1163. [2021-11-22 15:39:34,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1163 states, 1111 states have (on average 1.2673267326732673) internal successors, (1408), 1133 states have internal predecessors, (1408), 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) [2021-11-22 15:39:34,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 1452 transitions. [2021-11-22 15:39:34,481 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 1452 transitions. Word has length 64 [2021-11-22 15:39:34,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:39:34,482 INFO L470 AbstractCegarLoop]: Abstraction has 1163 states and 1452 transitions. [2021-11-22 15:39:34,482 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) [2021-11-22 15:39:34,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1452 transitions. [2021-11-22 15:39:34,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 15:39:34,496 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:39:34,496 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] [2021-11-22 15:39:34,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 15:39:34,497 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)] === [2021-11-22 15:39:34,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:39:34,499 INFO L85 PathProgramCache]: Analyzing trace with hash 767088232, now seen corresponding path program 1 times [2021-11-22 15:39:34,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:39:34,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822977970] [2021-11-22 15:39:34,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:39:34,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:39:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:39:34,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:39:34,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:39:34,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822977970] [2021-11-22 15:39:34,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822977970] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:39:34,835 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:39:34,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:39:34,836 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936437620] [2021-11-22 15:39:34,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:39:34,837 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 15:39:34,837 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:39:34,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:39:34,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:39:34,839 INFO L87 Difference]: Start difference. First operand 1163 states and 1452 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:39:35,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:39:35,922 INFO L93 Difference]: Finished difference Result 5595 states and 7135 transitions. [2021-11-22 15:39:35,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 15:39:35,923 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-11-22 15:39:35,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:39:35,983 INFO L225 Difference]: With dead ends: 5595 [2021-11-22 15:39:35,983 INFO L226 Difference]: Without dead ends: 4479 [2021-11-22 15:39:35,994 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:39:36,001 INFO L933 BasicCegarLoop]: 1553 mSDtfsCounter, 5575 mSDsluCounter, 5616 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5575 SdHoareTripleChecker+Valid, 7169 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-22 15:39:36,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5575 Valid, 7169 Invalid, 218 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [55 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-22 15:39:36,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4479 states. [2021-11-22 15:39:36,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4479 to 4309. [2021-11-22 15:39:36,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4309 states, 4167 states have (on average 1.2783777297816175) internal successors, (5327), 4195 states have internal predecessors, (5327), 85 states have call successors, (85), 36 states have call predecessors, (85), 36 states have return successors, (193), 81 states have call predecessors, (193), 85 states have call successors, (193) [2021-11-22 15:39:36,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4309 states to 4309 states and 5605 transitions. [2021-11-22 15:39:36,339 INFO L78 Accepts]: Start accepts. Automaton has 4309 states and 5605 transitions. Word has length 64 [2021-11-22 15:39:36,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:39:36,340 INFO L470 AbstractCegarLoop]: Abstraction has 4309 states and 5605 transitions. [2021-11-22 15:39:36,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:39:36,342 INFO L276 IsEmpty]: Start isEmpty. Operand 4309 states and 5605 transitions. [2021-11-22 15:39:36,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 15:39:36,344 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:39:36,344 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] [2021-11-22 15:39:36,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 15:39:36,345 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)] === [2021-11-22 15:39:36,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:39:36,345 INFO L85 PathProgramCache]: Analyzing trace with hash -382974663, now seen corresponding path program 1 times [2021-11-22 15:39:36,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:39:36,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077273708] [2021-11-22 15:39:36,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:39:36,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:39:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:39:36,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:39:36,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:39:36,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077273708] [2021-11-22 15:39:36,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077273708] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:39:36,530 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:39:36,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:39:36,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578076910] [2021-11-22 15:39:36,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:39:36,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:39:36,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:39:36,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:39:36,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:39:36,533 INFO L87 Difference]: Start difference. First operand 4309 states and 5605 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:39:37,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:39:37,020 INFO L93 Difference]: Finished difference Result 12717 states and 16550 transitions. [2021-11-22 15:39:37,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:39:37,025 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-11-22 15:39:37,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:39:37,092 INFO L225 Difference]: With dead ends: 12717 [2021-11-22 15:39:37,092 INFO L226 Difference]: Without dead ends: 8455 [2021-11-22 15:39:37,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:39:37,113 INFO L933 BasicCegarLoop]: 1491 mSDtfsCounter, 1403 mSDsluCounter, 1389 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1403 SdHoareTripleChecker+Valid, 2880 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:39:37,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1403 Valid, 2880 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:39:37,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8455 states. [2021-11-22 15:39:37,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8455 to 8402. [2021-11-22 15:39:37,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8402 states, 8143 states have (on average 1.2783986245855337) internal successors, (10410), 8179 states have internal predecessors, (10410), 166 states have call successors, (166), 72 states have call predecessors, (166), 72 states have return successors, (377), 158 states have call predecessors, (377), 166 states have call successors, (377) [2021-11-22 15:39:37,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8402 states to 8402 states and 10953 transitions. [2021-11-22 15:39:37,544 INFO L78 Accepts]: Start accepts. Automaton has 8402 states and 10953 transitions. Word has length 67 [2021-11-22 15:39:37,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:39:37,544 INFO L470 AbstractCegarLoop]: Abstraction has 8402 states and 10953 transitions. [2021-11-22 15:39:37,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:39:37,545 INFO L276 IsEmpty]: Start isEmpty. Operand 8402 states and 10953 transitions. [2021-11-22 15:39:37,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 15:39:37,547 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:39:37,547 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] [2021-11-22 15:39:37,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 15:39:37,547 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-22 15:39:37,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:39:37,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1217291162, now seen corresponding path program 1 times [2021-11-22 15:39:37,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:39:37,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625354736] [2021-11-22 15:39:37,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:39:37,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:39:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:39:37,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:39:37,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:39:37,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625354736] [2021-11-22 15:39:37,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625354736] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:39:37,807 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:39:37,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:39:37,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425008580] [2021-11-22 15:39:37,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:39:37,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:39:37,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:39:37,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:39:37,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:39:37,810 INFO L87 Difference]: Start difference. First operand 8402 states and 10953 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) [2021-11-22 15:39:38,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:39:38,464 INFO L93 Difference]: Finished difference Result 16595 states and 22074 transitions. [2021-11-22 15:39:38,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:39:38,465 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 [2021-11-22 15:39:38,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:39:38,541 INFO L225 Difference]: With dead ends: 16595 [2021-11-22 15:39:38,541 INFO L226 Difference]: Without dead ends: 8229 [2021-11-22 15:39:38,619 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:39:38,622 INFO L933 BasicCegarLoop]: 1390 mSDtfsCounter, 1345 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1345 SdHoareTripleChecker+Valid, 1390 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:39:38,624 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1345 Valid, 1390 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:39:38,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8229 states. [2021-11-22 15:39:39,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8229 to 8089. [2021-11-22 15:39:39,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8089 states, 7831 states have (on average 1.2665049163580642) internal successors, (9918), 7866 states have internal predecessors, (9918), 166 states have call successors, (166), 72 states have call predecessors, (166), 72 states have return successors, (377), 158 states have call predecessors, (377), 166 states have call successors, (377) [2021-11-22 15:39:39,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8089 states to 8089 states and 10461 transitions. [2021-11-22 15:39:39,184 INFO L78 Accepts]: Start accepts. Automaton has 8089 states and 10461 transitions. Word has length 67 [2021-11-22 15:39:39,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:39:39,187 INFO L470 AbstractCegarLoop]: Abstraction has 8089 states and 10461 transitions. [2021-11-22 15:39:39,187 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) [2021-11-22 15:39:39,187 INFO L276 IsEmpty]: Start isEmpty. Operand 8089 states and 10461 transitions. [2021-11-22 15:39:39,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 15:39:39,190 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:39:39,190 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, 1] [2021-11-22 15:39:39,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 15:39:39,191 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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)] === [2021-11-22 15:39:39,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:39:39,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1223550488, now seen corresponding path program 1 times [2021-11-22 15:39:39,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:39:39,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439731831] [2021-11-22 15:39:39,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:39:39,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:39:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:39:39,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:39:39,387 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:39:39,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439731831] [2021-11-22 15:39:39,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439731831] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:39:39,392 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:39:39,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:39:39,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013355751] [2021-11-22 15:39:39,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:39:39,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:39:39,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:39:39,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:39:39,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:39:39,397 INFO L87 Difference]: Start difference. First operand 8089 states and 10461 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:39:40,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:39:40,150 INFO L93 Difference]: Finished difference Result 20963 states and 27291 transitions. [2021-11-22 15:39:40,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:39:40,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-11-22 15:39:40,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:39:40,267 INFO L225 Difference]: With dead ends: 20963 [2021-11-22 15:39:40,268 INFO L226 Difference]: Without dead ends: 12921 [2021-11-22 15:39:40,311 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:39:40,312 INFO L933 BasicCegarLoop]: 1840 mSDtfsCounter, 864 mSDsluCounter, 1340 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 864 SdHoareTripleChecker+Valid, 3180 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:39:40,313 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [864 Valid, 3180 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:39:40,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12921 states. [2021-11-22 15:39:40,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12921 to 12891. [2021-11-22 15:39:41,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12891 states, 12411 states have (on average 1.2743533961808073) internal successors, (15816), 12462 states have internal predecessors, (15816), 316 states have call successors, (316), 144 states have call predecessors, (316), 144 states have return successors, (718), 300 states have call predecessors, (718), 316 states have call successors, (718) [2021-11-22 15:39:41,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12891 states to 12891 states and 16850 transitions. [2021-11-22 15:39:41,173 INFO L78 Accepts]: Start accepts. Automaton has 12891 states and 16850 transitions. Word has length 81 [2021-11-22 15:39:41,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:39:41,173 INFO L470 AbstractCegarLoop]: Abstraction has 12891 states and 16850 transitions. [2021-11-22 15:39:41,174 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:39:41,174 INFO L276 IsEmpty]: Start isEmpty. Operand 12891 states and 16850 transitions. [2021-11-22 15:39:41,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 15:39:41,177 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:39:41,178 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] [2021-11-22 15:39:41,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 15:39:41,178 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)] === [2021-11-22 15:39:41,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:39:41,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1665147402, now seen corresponding path program 1 times [2021-11-22 15:39:41,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:39:41,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362426490] [2021-11-22 15:39:41,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:39:41,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:39:41,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:39:41,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:39:41,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:39:41,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362426490] [2021-11-22 15:39:41,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362426490] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:39:41,404 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:39:41,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:39:41,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571297674] [2021-11-22 15:39:41,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:39:41,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:39:41,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:39:41,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:39:41,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:39:41,407 INFO L87 Difference]: Start difference. First operand 12891 states and 16850 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) [2021-11-22 15:39:42,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:39:42,620 INFO L93 Difference]: Finished difference Result 38463 states and 50270 transitions. [2021-11-22 15:39:42,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:39:42,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-11-22 15:39:42,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:39:42,797 INFO L225 Difference]: With dead ends: 38463 [2021-11-22 15:39:42,798 INFO L226 Difference]: Without dead ends: 25619 [2021-11-22 15:39:42,863 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:39:42,865 INFO L933 BasicCegarLoop]: 2352 mSDtfsCounter, 1371 mSDsluCounter, 1340 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1371 SdHoareTripleChecker+Valid, 3692 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:39:42,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1371 Valid, 3692 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:39:42,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25619 states. [2021-11-22 15:39:44,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25619 to 25559. [2021-11-22 15:39:44,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25559 states, 24635 states have (on average 1.2744469251065558) internal successors, (31396), 24718 states have internal predecessors, (31396), 616 states have call successors, (616), 288 states have call predecessors, (616), 288 states have return successors, (1400), 584 states have call predecessors, (1400), 616 states have call successors, (1400) [2021-11-22 15:39:44,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25559 states to 25559 states and 33412 transitions. [2021-11-22 15:39:44,283 INFO L78 Accepts]: Start accepts. Automaton has 25559 states and 33412 transitions. Word has length 80 [2021-11-22 15:39:44,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:39:44,285 INFO L470 AbstractCegarLoop]: Abstraction has 25559 states and 33412 transitions. [2021-11-22 15:39:44,285 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) [2021-11-22 15:39:44,285 INFO L276 IsEmpty]: Start isEmpty. Operand 25559 states and 33412 transitions. [2021-11-22 15:39:44,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 15:39:44,293 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:39:44,293 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, 1, 1] [2021-11-22 15:39:44,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 15:39:44,294 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)] === [2021-11-22 15:39:44,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:39:44,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1463909851, now seen corresponding path program 1 times [2021-11-22 15:39:44,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:39:44,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670467569] [2021-11-22 15:39:44,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:39:44,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:39:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:39:44,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:39:44,849 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:39:44,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670467569] [2021-11-22 15:39:44,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670467569] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:39:44,850 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:39:44,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 15:39:44,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243530328] [2021-11-22 15:39:44,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:39:44,851 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 15:39:44,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:39:44,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:39:44,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:39:44,852 INFO L87 Difference]: Start difference. First operand 25559 states and 33412 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 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) [2021-11-22 15:39:46,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:39:46,350 INFO L93 Difference]: Finished difference Result 51359 states and 68640 transitions. [2021-11-22 15:39:46,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 15:39:46,351 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2021-11-22 15:39:46,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:39:46,484 INFO L225 Difference]: With dead ends: 51359 [2021-11-22 15:39:46,484 INFO L226 Difference]: Without dead ends: 25847 [2021-11-22 15:39:46,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-22 15:39:46,618 INFO L933 BasicCegarLoop]: 1391 mSDtfsCounter, 15 mSDsluCounter, 4163 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 5554 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:39:46,618 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 5554 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:39:46,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25847 states. [2021-11-22 15:39:48,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25847 to 25783. [2021-11-22 15:39:48,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25783 states, 24843 states have (on average 1.2721490963249205) internal successors, (31604), 24942 states have internal predecessors, (31604), 616 states have call successors, (616), 288 states have call predecessors, (616), 304 states have return successors, (1488), 584 states have call predecessors, (1488), 616 states have call successors, (1488) [2021-11-22 15:39:48,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25783 states to 25783 states and 33708 transitions. [2021-11-22 15:39:48,330 INFO L78 Accepts]: Start accepts. Automaton has 25783 states and 33708 transitions. Word has length 82 [2021-11-22 15:39:48,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:39:48,330 INFO L470 AbstractCegarLoop]: Abstraction has 25783 states and 33708 transitions. [2021-11-22 15:39:48,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 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) [2021-11-22 15:39:48,331 INFO L276 IsEmpty]: Start isEmpty. Operand 25783 states and 33708 transitions. [2021-11-22 15:39:48,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 15:39:48,334 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:39:48,334 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, 1, 1, 1, 1, 1] [2021-11-22 15:39:48,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 15:39:48,335 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)] === [2021-11-22 15:39:48,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:39:48,337 INFO L85 PathProgramCache]: Analyzing trace with hash -966816349, now seen corresponding path program 1 times [2021-11-22 15:39:48,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:39:48,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991930474] [2021-11-22 15:39:48,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:39:48,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:39:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:39:48,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:39:48,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:39:48,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991930474] [2021-11-22 15:39:48,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991930474] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:39:48,583 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:39:48,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:39:48,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506643967] [2021-11-22 15:39:48,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:39:48,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:39:48,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:39:48,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:39:48,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:39:48,588 INFO L87 Difference]: Start difference. First operand 25783 states and 33708 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2021-11-22 15:39:50,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:39:50,360 INFO L93 Difference]: Finished difference Result 51455 states and 67216 transitions. [2021-11-22 15:39:50,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:39:50,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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 85 [2021-11-22 15:39:50,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:39:50,501 INFO L225 Difference]: With dead ends: 51455 [2021-11-22 15:39:50,501 INFO L226 Difference]: Without dead ends: 25719 [2021-11-22 15:39:50,608 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:39:50,609 INFO L933 BasicCegarLoop]: 1389 mSDtfsCounter, 1379 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1379 SdHoareTripleChecker+Valid, 1389 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:39:50,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1379 Valid, 1389 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:39:50,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25719 states. [2021-11-22 15:39:51,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25719 to 25719. [2021-11-22 15:39:51,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25719 states, 24811 states have (on average 1.271210350247874) internal successors, (31540), 24910 states have internal predecessors, (31540), 584 states have call successors, (584), 288 states have call predecessors, (584), 304 states have return successors, (1400), 552 states have call predecessors, (1400), 584 states have call successors, (1400) [2021-11-22 15:39:52,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25719 states to 25719 states and 33524 transitions. [2021-11-22 15:39:52,021 INFO L78 Accepts]: Start accepts. Automaton has 25719 states and 33524 transitions. Word has length 85 [2021-11-22 15:39:52,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:39:52,021 INFO L470 AbstractCegarLoop]: Abstraction has 25719 states and 33524 transitions. [2021-11-22 15:39:52,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2021-11-22 15:39:52,022 INFO L276 IsEmpty]: Start isEmpty. Operand 25719 states and 33524 transitions. [2021-11-22 15:39:52,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 15:39:52,025 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:39:52,025 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, 1, 1, 1, 1, 1, 1] [2021-11-22 15:39:52,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-22 15:39:52,026 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting gameport_handle_eventsErr1ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr2ASSERT_VIOLATIONERROR_FUNCTION (and 18 more)] === [2021-11-22 15:39:52,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:39:52,027 INFO L85 PathProgramCache]: Analyzing trace with hash -2074433558, now seen corresponding path program 1 times [2021-11-22 15:39:52,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:39:52,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102978455] [2021-11-22 15:39:52,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:39:52,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:39:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:39:52,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:39:52,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:39:52,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102978455] [2021-11-22 15:39:52,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102978455] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:39:52,258 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:39:52,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:39:52,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837623745] [2021-11-22 15:39:52,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:39:52,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:39:52,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:39:52,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:39:52,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:39:52,261 INFO L87 Difference]: Start difference. First operand 25719 states and 33524 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 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) [2021-11-22 15:39:53,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:39:53,916 INFO L93 Difference]: Finished difference Result 51327 states and 66848 transitions. [2021-11-22 15:39:53,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:39:53,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 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 86 [2021-11-22 15:39:53,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:39:54,043 INFO L225 Difference]: With dead ends: 51327 [2021-11-22 15:39:54,044 INFO L226 Difference]: Without dead ends: 25655 [2021-11-22 15:39:54,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:39:54,391 INFO L933 BasicCegarLoop]: 1385 mSDtfsCounter, 1374 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1374 SdHoareTripleChecker+Valid, 1385 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:39:54,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1374 Valid, 1385 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:39:54,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25655 states. [2021-11-22 15:39:55,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25655 to 25655. [2021-11-22 15:39:55,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25655 states, 24779 states have (on average 1.2702691795471972) internal successors, (31476), 24878 states have internal predecessors, (31476), 552 states have call successors, (552), 288 states have call predecessors, (552), 304 states have return successors, (1312), 520 states have call predecessors, (1312), 552 states have call successors, (1312) [2021-11-22 15:39:55,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25655 states to 25655 states and 33340 transitions. [2021-11-22 15:39:55,899 INFO L78 Accepts]: Start accepts. Automaton has 25655 states and 33340 transitions. Word has length 86 [2021-11-22 15:39:55,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:39:55,900 INFO L470 AbstractCegarLoop]: Abstraction has 25655 states and 33340 transitions. [2021-11-22 15:39:55,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 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) [2021-11-22 15:39:55,901 INFO L276 IsEmpty]: Start isEmpty. Operand 25655 states and 33340 transitions. [2021-11-22 15:39:55,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 15:39:55,904 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:39:55,904 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, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:39:55,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-22 15:39:55,905 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)] === [2021-11-22 15:39:55,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:39:55,905 INFO L85 PathProgramCache]: Analyzing trace with hash -540147878, now seen corresponding path program 1 times [2021-11-22 15:39:55,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:39:55,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299972146] [2021-11-22 15:39:55,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:39:55,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:39:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:39:56,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:39:56,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:39:56,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299972146] [2021-11-22 15:39:56,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299972146] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:39:56,177 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:39:56,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:39:56,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085691202] [2021-11-22 15:39:56,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:39:56,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:39:56,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:39:56,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:39:56,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:39:56,180 INFO L87 Difference]: Start difference. First operand 25655 states and 33340 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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) [2021-11-22 15:39:57,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:39:57,675 INFO L93 Difference]: Finished difference Result 51199 states and 66480 transitions. [2021-11-22 15:39:57,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:39:57,677 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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 87 [2021-11-22 15:39:57,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:39:57,807 INFO L225 Difference]: With dead ends: 51199 [2021-11-22 15:39:57,807 INFO L226 Difference]: Without dead ends: 25591 [2021-11-22 15:39:57,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:39:57,935 INFO L933 BasicCegarLoop]: 1381 mSDtfsCounter, 1369 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1369 SdHoareTripleChecker+Valid, 1381 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:39:57,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1369 Valid, 1381 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:39:57,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25591 states. [2021-11-22 15:39:59,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25591 to 25591. [2021-11-22 15:39:59,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25591 states, 24747 states have (on average 1.2693255748171495) internal successors, (31412), 24846 states have internal predecessors, (31412), 520 states have call successors, (520), 288 states have call predecessors, (520), 304 states have return successors, (1224), 488 states have call predecessors, (1224), 520 states have call successors, (1224) [2021-11-22 15:39:59,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25591 states to 25591 states and 33156 transitions. [2021-11-22 15:39:59,255 INFO L78 Accepts]: Start accepts. Automaton has 25591 states and 33156 transitions. Word has length 87 [2021-11-22 15:39:59,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:39:59,255 INFO L470 AbstractCegarLoop]: Abstraction has 25591 states and 33156 transitions. [2021-11-22 15:39:59,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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) [2021-11-22 15:39:59,256 INFO L276 IsEmpty]: Start isEmpty. Operand 25591 states and 33156 transitions. [2021-11-22 15:39:59,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-22 15:39:59,259 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:39:59,259 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:39:59,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-22 15:39:59,260 INFO L402 AbstractCegarLoop]: === Iteration 11 === 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)] === [2021-11-22 15:39:59,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:39:59,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1094646764, now seen corresponding path program 1 times [2021-11-22 15:39:59,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:39:59,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866166926] [2021-11-22 15:39:59,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:39:59,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:39:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:39:59,450 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:39:59,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:39:59,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866166926] [2021-11-22 15:39:59,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866166926] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:39:59,451 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:39:59,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:39:59,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157414891] [2021-11-22 15:39:59,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:39:59,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:39:59,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:39:59,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:39:59,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:39:59,453 INFO L87 Difference]: Start difference. First operand 25591 states and 33156 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:40:01,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:40:01,586 INFO L93 Difference]: Finished difference Result 63879 states and 82794 transitions. [2021-11-22 15:40:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:40:01,587 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2021-11-22 15:40:01,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:40:01,763 INFO L225 Difference]: With dead ends: 63879 [2021-11-22 15:40:01,763 INFO L226 Difference]: Without dead ends: 38335 [2021-11-22 15:40:01,843 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:40:01,844 INFO L933 BasicCegarLoop]: 1757 mSDtfsCounter, 1309 mSDsluCounter, 1346 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1309 SdHoareTripleChecker+Valid, 3103 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:40:01,844 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1309 Valid, 3103 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:40:01,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38335 states. [2021-11-22 15:40:03,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38335 to 38275. [2021-11-22 15:40:03,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38275 states, 37027 states have (on average 1.2686958165662894) internal successors, (46976), 37166 states have internal predecessors, (46976), 772 states have call successors, (772), 432 states have call predecessors, (772), 456 states have return successors, (1818), 724 states have call predecessors, (1818), 772 states have call successors, (1818) [2021-11-22 15:40:03,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38275 states to 38275 states and 49566 transitions. [2021-11-22 15:40:03,543 INFO L78 Accepts]: Start accepts. Automaton has 38275 states and 49566 transitions. Word has length 89 [2021-11-22 15:40:03,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:40:03,544 INFO L470 AbstractCegarLoop]: Abstraction has 38275 states and 49566 transitions. [2021-11-22 15:40:03,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:40:03,544 INFO L276 IsEmpty]: Start isEmpty. Operand 38275 states and 49566 transitions. [2021-11-22 15:40:03,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-22 15:40:03,546 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:40:03,547 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:40:03,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-22 15:40:03,547 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)] === [2021-11-22 15:40:03,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:40:03,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1288748737, now seen corresponding path program 1 times [2021-11-22 15:40:03,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:40:03,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475586029] [2021-11-22 15:40:03,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:40:03,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:40:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:40:03,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:40:03,726 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:40:03,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475586029] [2021-11-22 15:40:03,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475586029] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:40:03,727 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:40:03,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:40:03,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15693006] [2021-11-22 15:40:03,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:40:03,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:40:03,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:40:03,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:40:03,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:40:03,729 INFO L87 Difference]: Start difference. First operand 38275 states and 49566 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (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) [2021-11-22 15:40:06,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:40:06,123 INFO L93 Difference]: Finished difference Result 74323 states and 96178 transitions. [2021-11-22 15:40:06,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:40:06,124 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (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 [2021-11-22 15:40:06,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:40:06,315 INFO L225 Difference]: With dead ends: 74323 [2021-11-22 15:40:06,315 INFO L226 Difference]: Without dead ends: 36095 [2021-11-22 15:40:06,442 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:40:06,443 INFO L933 BasicCegarLoop]: 1377 mSDtfsCounter, 1364 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1364 SdHoareTripleChecker+Valid, 1377 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:40:06,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1364 Valid, 1377 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:40:06,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36095 states. [2021-11-22 15:40:08,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36095 to 35037. [2021-11-22 15:40:08,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35037 states, 33973 states have (on average 1.2695375739557884) internal successors, (43130), 34096 states have internal predecessors, (43130), 646 states have call successors, (646), 378 states have call predecessors, (646), 398 states have return successors, (1468), 604 states have call predecessors, (1468), 646 states have call successors, (1468) [2021-11-22 15:40:08,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35037 states to 35037 states and 45244 transitions. [2021-11-22 15:40:08,315 INFO L78 Accepts]: Start accepts. Automaton has 35037 states and 45244 transitions. Word has length 88 [2021-11-22 15:40:08,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:40:08,316 INFO L470 AbstractCegarLoop]: Abstraction has 35037 states and 45244 transitions. [2021-11-22 15:40:08,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (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) [2021-11-22 15:40:08,316 INFO L276 IsEmpty]: Start isEmpty. Operand 35037 states and 45244 transitions. [2021-11-22 15:40:08,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 15:40:08,321 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:40:08,321 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2021-11-22 15:40:08,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-22 15:40:08,322 INFO L402 AbstractCegarLoop]: === Iteration 13 === 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)] === [2021-11-22 15:40:08,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:40:08,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1503239003, now seen corresponding path program 1 times [2021-11-22 15:40:08,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:40:08,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389570683] [2021-11-22 15:40:08,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:40:08,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:40:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:40:08,473 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 15:40:08,473 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:40:08,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389570683] [2021-11-22 15:40:08,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389570683] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:40:08,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:40:08,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:40:08,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688456254] [2021-11-22 15:40:08,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:40:08,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:40:08,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:40:08,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:40:08,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:40:08,476 INFO L87 Difference]: Start difference. First operand 35037 states and 45244 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2021-11-22 15:40:10,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:40:10,442 INFO L93 Difference]: Finished difference Result 70051 states and 90488 transitions. [2021-11-22 15:40:10,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:40:10,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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 103 [2021-11-22 15:40:10,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:40:10,594 INFO L225 Difference]: With dead ends: 70051 [2021-11-22 15:40:10,595 INFO L226 Difference]: Without dead ends: 35061 [2021-11-22 15:40:10,742 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:40:10,743 INFO L933 BasicCegarLoop]: 1377 mSDtfsCounter, 0 mSDsluCounter, 1372 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2749 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:40:10,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2749 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:40:10,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35061 states. [2021-11-22 15:40:12,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35061 to 35061. [2021-11-22 15:40:12,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35061 states, 33997 states have (on average 1.2693472953495897) internal successors, (43154), 34120 states have internal predecessors, (43154), 646 states have call successors, (646), 378 states have call predecessors, (646), 398 states have return successors, (1468), 604 states have call predecessors, (1468), 646 states have call successors, (1468) [2021-11-22 15:40:12,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35061 states to 35061 states and 45268 transitions. [2021-11-22 15:40:12,701 INFO L78 Accepts]: Start accepts. Automaton has 35061 states and 45268 transitions. Word has length 103 [2021-11-22 15:40:12,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:40:12,702 INFO L470 AbstractCegarLoop]: Abstraction has 35061 states and 45268 transitions. [2021-11-22 15:40:12,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2021-11-22 15:40:12,702 INFO L276 IsEmpty]: Start isEmpty. Operand 35061 states and 45268 transitions. [2021-11-22 15:40:12,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-22 15:40:12,706 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:40:12,707 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2021-11-22 15:40:12,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-22 15:40:12,707 INFO L402 AbstractCegarLoop]: === Iteration 14 === 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)] === [2021-11-22 15:40:12,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:40:12,708 INFO L85 PathProgramCache]: Analyzing trace with hash -85108899, now seen corresponding path program 1 times [2021-11-22 15:40:12,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:40:12,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222409950] [2021-11-22 15:40:12,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:40:12,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:40:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:40:12,912 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 15:40:12,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:40:12,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222409950] [2021-11-22 15:40:12,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222409950] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:40:12,913 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:40:12,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:40:12,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639463383] [2021-11-22 15:40:12,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:40:12,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:40:12,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:40:12,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:40:12,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:40:12,915 INFO L87 Difference]: Start difference. First operand 35061 states and 45268 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2021-11-22 15:40:14,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:40:14,778 INFO L93 Difference]: Finished difference Result 70079 states and 90493 transitions. [2021-11-22 15:40:14,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:40:14,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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 103 [2021-11-22 15:40:14,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:40:14,883 INFO L225 Difference]: With dead ends: 70079 [2021-11-22 15:40:14,883 INFO L226 Difference]: Without dead ends: 35062 [2021-11-22 15:40:14,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:40:14,966 INFO L933 BasicCegarLoop]: 1377 mSDtfsCounter, 0 mSDsluCounter, 1375 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2752 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:40:14,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2752 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:40:15,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35062 states. [2021-11-22 15:40:16,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35062 to 35062. [2021-11-22 15:40:16,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35062 states, 33998 states have (on average 1.2693393729042886) internal successors, (43155), 34121 states have internal predecessors, (43155), 646 states have call successors, (646), 378 states have call predecessors, (646), 398 states have return successors, (1468), 604 states have call predecessors, (1468), 646 states have call successors, (1468) [2021-11-22 15:40:16,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35062 states to 35062 states and 45269 transitions. [2021-11-22 15:40:16,856 INFO L78 Accepts]: Start accepts. Automaton has 35062 states and 45269 transitions. Word has length 103 [2021-11-22 15:40:16,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:40:16,857 INFO L470 AbstractCegarLoop]: Abstraction has 35062 states and 45269 transitions. [2021-11-22 15:40:16,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2021-11-22 15:40:16,857 INFO L276 IsEmpty]: Start isEmpty. Operand 35062 states and 45269 transitions. [2021-11-22 15:40:16,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-22 15:40:16,861 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:40:16,862 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2021-11-22 15:40:16,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-22 15:40:16,862 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)] === [2021-11-22 15:40:16,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:40:16,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1263427382, now seen corresponding path program 1 times [2021-11-22 15:40:16,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:40:16,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566267937] [2021-11-22 15:40:16,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:40:16,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:40:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:40:17,105 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 15:40:17,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:40:17,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566267937] [2021-11-22 15:40:17,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566267937] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 15:40:17,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745105950] [2021-11-22 15:40:17,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:40:17,107 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:40:17,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:40:17,110 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:40:17,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-22 15:40:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:40:17,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 2295 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 15:40:17,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:40:18,119 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 15:40:18,120 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-22 15:40:18,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745105950] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:40:18,120 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-22 15:40:18,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2021-11-22 15:40:18,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916347537] [2021-11-22 15:40:18,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:40:18,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:40:18,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:40:18,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:40:18,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:40:18,123 INFO L87 Difference]: Start difference. First operand 35062 states and 45269 transitions. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 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) [2021-11-22 15:40:20,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:40:20,094 INFO L93 Difference]: Finished difference Result 70224 states and 90685 transitions. [2021-11-22 15:40:20,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 15:40:20,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 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 104 [2021-11-22 15:40:20,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:40:20,184 INFO L225 Difference]: With dead ends: 70224 [2021-11-22 15:40:20,185 INFO L226 Difference]: Without dead ends: 35018 [2021-11-22 15:40:20,259 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-22 15:40:20,260 INFO L933 BasicCegarLoop]: 1376 mSDtfsCounter, 3 mSDsluCounter, 2747 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 4123 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:40:20,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 4123 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:40:20,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35018 states. [2021-11-22 15:40:21,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35018 to 34842. [2021-11-22 15:40:21,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34842 states, 33778 states have (on average 1.268251524661022) internal successors, (42839), 33901 states have internal predecessors, (42839), 646 states have call successors, (646), 378 states have call predecessors, (646), 398 states have return successors, (1468), 604 states have call predecessors, (1468), 646 states have call successors, (1468) [2021-11-22 15:40:21,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34842 states to 34842 states and 44953 transitions. [2021-11-22 15:40:21,940 INFO L78 Accepts]: Start accepts. Automaton has 34842 states and 44953 transitions. Word has length 104 [2021-11-22 15:40:21,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:40:21,940 INFO L470 AbstractCegarLoop]: Abstraction has 34842 states and 44953 transitions. [2021-11-22 15:40:21,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 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) [2021-11-22 15:40:21,941 INFO L276 IsEmpty]: Start isEmpty. Operand 34842 states and 44953 transitions. [2021-11-22 15:40:21,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-22 15:40:21,945 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:40:21,946 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2021-11-22 15:40:21,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-22 15:40:22,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:40:22,162 INFO L402 AbstractCegarLoop]: === Iteration 16 === 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)] === [2021-11-22 15:40:22,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:40:22,163 INFO L85 PathProgramCache]: Analyzing trace with hash 366034104, now seen corresponding path program 1 times [2021-11-22 15:40:22,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:40:22,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768469458] [2021-11-22 15:40:22,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:40:22,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:40:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:40:22,691 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 15:40:22,691 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:40:22,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768469458] [2021-11-22 15:40:22,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768469458] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 15:40:22,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258531589] [2021-11-22 15:40:22,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:40:22,692 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:40:22,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:40:22,694 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:40:22,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-22 15:40:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:40:23,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 2296 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 15:40:23,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:40:23,717 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 15:40:23,718 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:40:23,968 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 15:40:23,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258531589] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 15:40:23,968 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 15:40:23,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-22 15:40:23,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128456795] [2021-11-22 15:40:23,969 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 15:40:23,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-22 15:40:23,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:40:23,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 15:40:23,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-22 15:40:23,970 INFO L87 Difference]: Start difference. First operand 34842 states and 44953 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 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) [2021-11-22 15:40:25,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:40:25,787 INFO L93 Difference]: Finished difference Result 69642 states and 89866 transitions. [2021-11-22 15:40:25,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 15:40:25,788 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 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 104 [2021-11-22 15:40:25,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:40:25,882 INFO L225 Difference]: With dead ends: 69642 [2021-11-22 15:40:25,882 INFO L226 Difference]: Without dead ends: 34845 [2021-11-22 15:40:25,959 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2021-11-22 15:40:25,960 INFO L933 BasicCegarLoop]: 1375 mSDtfsCounter, 0 mSDsluCounter, 5492 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6867 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:40:25,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 6867 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:40:25,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34845 states. [2021-11-22 15:40:27,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34845 to 34845. [2021-11-22 15:40:27,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34845 states, 33781 states have (on average 1.2682277019626418) internal successors, (42842), 33904 states have internal predecessors, (42842), 646 states have call successors, (646), 378 states have call predecessors, (646), 398 states have return successors, (1468), 604 states have call predecessors, (1468), 646 states have call successors, (1468) [2021-11-22 15:40:27,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34845 states to 34845 states and 44956 transitions. [2021-11-22 15:40:27,566 INFO L78 Accepts]: Start accepts. Automaton has 34845 states and 44956 transitions. Word has length 104 [2021-11-22 15:40:27,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:40:27,567 INFO L470 AbstractCegarLoop]: Abstraction has 34845 states and 44956 transitions. [2021-11-22 15:40:27,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 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) [2021-11-22 15:40:27,567 INFO L276 IsEmpty]: Start isEmpty. Operand 34845 states and 44956 transitions. [2021-11-22 15:40:27,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-22 15:40:27,571 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:40:27,572 INFO L514 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 2, 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] [2021-11-22 15:40:27,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-22 15:40:27,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:40:27,798 INFO L402 AbstractCegarLoop]: === Iteration 17 === 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)] === [2021-11-22 15:40:27,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:40:27,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1499456287, now seen corresponding path program 2 times [2021-11-22 15:40:27,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:40:27,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200984451] [2021-11-22 15:40:27,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:40:27,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:40:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:40:28,159 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 15:40:28,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:40:28,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200984451] [2021-11-22 15:40:28,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200984451] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 15:40:28,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403729711] [2021-11-22 15:40:28,160 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-22 15:40:28,160 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 15:40:28,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:40:28,162 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 15:40:28,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_548db6a3-db41-4b51-83b3-9e1ce420d2bd/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-22 15:40:32,944 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-22 15:40:32,944 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-22 15:40:32,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 2314 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 15:40:32,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 15:40:33,308 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 15:40:33,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 15:40:33,754 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 15:40:33,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403729711] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 15:40:33,754 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 15:40:33,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2021-11-22 15:40:33,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160531575] [2021-11-22 15:40:33,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 15:40:33,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-22 15:40:33,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:40:33,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-22 15:40:33,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2021-11-22 15:40:33,758 INFO L87 Difference]: Start difference. First operand 34845 states and 44956 transitions. Second operand has 13 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 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)