./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ntdrivers/parport.i.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a7a6a5-3e62-40ed-86f6-34537b913952/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a7a6a5-3e62-40ed-86f6-34537b913952/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a7a6a5-3e62-40ed-86f6-34537b913952/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a7a6a5-3e62-40ed-86f6-34537b913952/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ntdrivers/parport.i.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a7a6a5-3e62-40ed-86f6-34537b913952/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a7a6a5-3e62-40ed-86f6-34537b913952/bin/uautomizer-J5u9QxTXDZ --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 32bit --witnessprinter.graph.data.programhash a1ead5ef4094d0253ba0f6c617a11ece235a4b1bb5eae8c695548dfbceeb05a3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:37:17,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:37:17,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:37:17,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:37:17,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:37:17,871 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:37:17,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:37:17,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:37:17,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:37:17,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:37:17,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:37:17,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:37:17,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:37:17,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:37:17,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:37:17,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:37:17,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:37:17,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:37:17,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:37:17,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:37:17,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:37:17,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:37:17,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:37:17,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:37:17,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:37:17,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:37:17,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:37:17,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:37:17,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:37:17,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:37:17,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:37:17,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:37:17,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:37:17,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:37:17,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:37:17,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:37:17,914 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:37:17,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:37:17,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:37:17,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:37:17,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:37:17,918 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a7a6a5-3e62-40ed-86f6-34537b913952/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-10-17 10:37:17,956 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:37:17,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:37:17,957 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:37:17,957 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:37:17,958 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:37:17,958 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:37:17,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:37:17,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:37:17,959 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:37:17,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:37:17,960 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:37:17,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:37:17,960 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:37:17,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:37:17,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:37:17,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:37:17,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:37:17,962 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:37:17,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:37:17,962 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:37:17,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:37:17,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:37:17,963 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:37:17,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:37:17,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:37:17,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:37:17,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:37:17,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:37:17,965 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:37:17,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:37:17,965 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:37:17,965 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:37:17,966 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:37:17,973 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_94a7a6a5-3e62-40ed-86f6-34537b913952/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a7a6a5-3e62-40ed-86f6-34537b913952/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1ead5ef4094d0253ba0f6c617a11ece235a4b1bb5eae8c695548dfbceeb05a3 [2022-10-17 10:37:18,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:37:18,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:37:18,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:37:18,287 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:37:18,287 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:37:18,289 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a7a6a5-3e62-40ed-86f6-34537b913952/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ntdrivers/parport.i.cil-1.c [2022-10-17 10:37:18,366 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a7a6a5-3e62-40ed-86f6-34537b913952/bin/uautomizer-J5u9QxTXDZ/data/4d757dd36/f091903f700b4315835bcc4ba47222ac/FLAGd2bb7a219 [2022-10-17 10:37:19,188 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:37:19,189 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a7a6a5-3e62-40ed-86f6-34537b913952/sv-benchmarks/c/ntdrivers/parport.i.cil-1.c [2022-10-17 10:37:19,242 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a7a6a5-3e62-40ed-86f6-34537b913952/bin/uautomizer-J5u9QxTXDZ/data/4d757dd36/f091903f700b4315835bcc4ba47222ac/FLAGd2bb7a219 [2022-10-17 10:37:19,701 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a7a6a5-3e62-40ed-86f6-34537b913952/bin/uautomizer-J5u9QxTXDZ/data/4d757dd36/f091903f700b4315835bcc4ba47222ac [2022-10-17 10:37:19,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:37:19,706 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:37:19,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:37:19,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:37:19,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:37:19,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:37:19" (1/1) ... [2022-10-17 10:37:19,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@755dd74e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:19, skipping insertion in model container [2022-10-17 10:37:19,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:37:19" (1/1) ... [2022-10-17 10:37:19,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:37:19,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:37:20,666 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_94a7a6a5-3e62-40ed-86f6-34537b913952/sv-benchmarks/c/ntdrivers/parport.i.cil-1.c[86303,86316] [2022-10-17 10:37:21,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:37:21,796 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:37:21,878 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_94a7a6a5-3e62-40ed-86f6-34537b913952/sv-benchmarks/c/ntdrivers/parport.i.cil-1.c[86303,86316] [2022-10-17 10:37:22,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:37:22,376 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:37:22,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:22 WrapperNode [2022-10-17 10:37:22,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:37:22,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:37:22,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:37:22,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:37:22,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:22" (1/1) ... [2022-10-17 10:37:22,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:22" (1/1) ... [2022-10-17 10:37:22,732 INFO L138 Inliner]: procedures = 247, calls = 2267, calls flagged for inlining = 84, calls inlined = 64, statements flattened = 4695 [2022-10-17 10:37:22,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:37:22,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:37:22,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:37:22,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:37:22,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:22" (1/1) ... [2022-10-17 10:37:22,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:22" (1/1) ... [2022-10-17 10:37:22,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:22" (1/1) ... [2022-10-17 10:37:22,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:22" (1/1) ... [2022-10-17 10:37:22,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:22" (1/1) ... [2022-10-17 10:37:23,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:22" (1/1) ... [2022-10-17 10:37:23,036 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:22" (1/1) ... [2022-10-17 10:37:23,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:22" (1/1) ... [2022-10-17 10:37:23,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:37:23,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:37:23,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:37:23,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:37:23,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:22" (1/1) ... [2022-10-17 10:37:23,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:37:23,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a7a6a5-3e62-40ed-86f6-34537b913952/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:37:23,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a7a6a5-3e62-40ed-86f6-34537b913952/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:37:23,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94a7a6a5-3e62-40ed-86f6-34537b913952/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:37:23,304 INFO L130 BoogieDeclarations]: Found specification of procedure PptDebugDumpResourceRequirementsList [2022-10-17 10:37:23,304 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDebugDumpResourceRequirementsList [2022-10-17 10:37:23,304 INFO L130 BoogieDeclarations]: Found specification of procedure PptAcquireRemoveLock [2022-10-17 10:37:23,304 INFO L138 BoogieDeclarations]: Found implementation of procedure PptAcquireRemoveLock [2022-10-17 10:37:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure WRITE_PORT_UCHAR [2022-10-17 10:37:23,305 INFO L138 BoogieDeclarations]: Found implementation of procedure WRITE_PORT_UCHAR [2022-10-17 10:37:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure PptLegacyZipClockDiskModeByte [2022-10-17 10:37:23,305 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLegacyZipClockDiskModeByte [2022-10-17 10:37:23,305 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~PVOID~0~TO~~BOOLEAN~0 [2022-10-17 10:37:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~PVOID~0~TO~~BOOLEAN~0 [2022-10-17 10:37:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:37:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:37:23,306 INFO L130 BoogieDeclarations]: Found specification of procedure PptClearByteMode [2022-10-17 10:37:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure PptClearByteMode [2022-10-17 10:37:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure KeStallExecutionProcessor [2022-10-17 10:37:23,307 INFO L138 BoogieDeclarations]: Found implementation of procedure KeStallExecutionProcessor [2022-10-17 10:37:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure PptEcrSetMode [2022-10-17 10:37:23,307 INFO L138 BoogieDeclarations]: Found implementation of procedure PptEcrSetMode [2022-10-17 10:37:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 10:37:23,308 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 10:37:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchronizedDecrement [2022-10-17 10:37:23,308 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchronizedDecrement [2022-10-17 10:37:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 10:37:23,308 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 10:37:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2022-10-17 10:37:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2022-10-17 10:37:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpPassThroughPnpIrpAndReleaseRemoveLock [2022-10-17 10:37:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpPassThroughPnpIrpAndReleaseRemoveLock [2022-10-17 10:37:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure PptEcrClearMode [2022-10-17 10:37:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure PptEcrClearMode [2022-10-17 10:37:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:37:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure PptDumpRemovalRelationsList [2022-10-17 10:37:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDumpRemovalRelationsList [2022-10-17 10:37:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure PptLogError [2022-10-17 10:37:23,311 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLogError [2022-10-17 10:37:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:37:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpUnhandledIrp [2022-10-17 10:37:23,311 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpUnhandledIrp [2022-10-17 10:37:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterExistsNonIrqResourceList [2022-10-17 10:37:23,312 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterExistsNonIrqResourceList [2022-10-17 10:37:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure PptIsNecR98Machine [2022-10-17 10:37:23,312 INFO L138 BoogieDeclarations]: Found implementation of procedure PptIsNecR98Machine [2022-10-17 10:37:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure CheckPort [2022-10-17 10:37:23,313 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckPort [2022-10-17 10:37:23,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:37:23,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:37:23,313 INFO L130 BoogieDeclarations]: Found specification of procedure PptLegacyZipSetDiskMode [2022-10-17 10:37:23,313 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLegacyZipSetDiskMode [2022-10-17 10:37:23,314 INFO L130 BoogieDeclarations]: Found specification of procedure PptTrySelectLegacyZip [2022-10-17 10:37:23,314 INFO L138 BoogieDeclarations]: Found implementation of procedure PptTrySelectLegacyZip [2022-10-17 10:37:23,314 INFO L130 BoogieDeclarations]: Found specification of procedure PptDeselectDevice [2022-10-17 10:37:23,314 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDeselectDevice [2022-10-17 10:37:23,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-10-17 10:37:23,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-10-17 10:37:23,315 INFO L130 BoogieDeclarations]: Found specification of procedure PptDisconnectInterrupt [2022-10-17 10:37:23,315 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDisconnectInterrupt [2022-10-17 10:37:23,315 INFO L130 BoogieDeclarations]: Found specification of procedure RtlQueryRegistryValues [2022-10-17 10:37:23,316 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlQueryRegistryValues [2022-10-17 10:37:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpBounceAndCatchPnpIrp [2022-10-17 10:37:23,316 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpBounceAndCatchPnpIrp [2022-10-17 10:37:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:37:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure KeQueryTickCount [2022-10-17 10:37:23,317 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQueryTickCount [2022-10-17 10:37:23,317 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2022-10-17 10:37:23,317 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2022-10-17 10:37:23,317 INFO L130 BoogieDeclarations]: Found specification of procedure KeQueryTimeIncrement [2022-10-17 10:37:23,317 INFO L138 BoogieDeclarations]: Found implementation of procedure KeQueryTimeIncrement [2022-10-17 10:37:23,318 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchronizedIncrement [2022-10-17 10:37:23,318 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchronizedIncrement [2022-10-17 10:37:23,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:37:23,318 INFO L130 BoogieDeclarations]: Found specification of procedure PptSynchCompletionRoutine [2022-10-17 10:37:23,318 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSynchCompletionRoutine [2022-10-17 10:37:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:37:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure IoReportResourceUsage [2022-10-17 10:37:23,319 INFO L138 BoogieDeclarations]: Found implementation of procedure IoReportResourceUsage [2022-10-17 10:37:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure PptInitiate1284_3 [2022-10-17 10:37:23,319 INFO L138 BoogieDeclarations]: Found implementation of procedure PptInitiate1284_3 [2022-10-17 10:37:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure PptPnpFilterRemoveIrqResourceLists [2022-10-17 10:37:23,320 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPnpFilterRemoveIrqResourceLists [2022-10-17 10:37:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure PptDispatchCleanup [2022-10-17 10:37:23,320 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDispatchCleanup [2022-10-17 10:37:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2022-10-17 10:37:23,321 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2022-10-17 10:37:23,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:37:23,321 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:37:23,321 INFO L130 BoogieDeclarations]: Found specification of procedure RtlCompareUnicodeString [2022-10-17 10:37:23,321 INFO L138 BoogieDeclarations]: Found implementation of procedure RtlCompareUnicodeString [2022-10-17 10:37:23,322 INFO L130 BoogieDeclarations]: Found specification of procedure READ_PORT_UCHAR [2022-10-17 10:37:23,322 INFO L138 BoogieDeclarations]: Found implementation of procedure READ_PORT_UCHAR [2022-10-17 10:37:23,322 INFO L130 BoogieDeclarations]: Found specification of procedure PptFreePort [2022-10-17 10:37:23,322 INFO L138 BoogieDeclarations]: Found implementation of procedure PptFreePort [2022-10-17 10:37:23,322 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectEcpPort [2022-10-17 10:37:23,322 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectEcpPort [2022-10-17 10:37:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2022-10-17 10:37:23,323 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2022-10-17 10:37:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure IoWMIRegistrationControl [2022-10-17 10:37:23,323 INFO L138 BoogieDeclarations]: Found implementation of procedure IoWMIRegistrationControl [2022-10-17 10:37:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:37:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure PptDeselectLegacyZip [2022-10-17 10:37:23,324 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDeselectLegacyZip [2022-10-17 10:37:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure PptSetCancelRoutine [2022-10-17 10:37:23,324 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSetCancelRoutine [2022-10-17 10:37:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure PptTrySelectDevice [2022-10-17 10:37:23,325 INFO L138 BoogieDeclarations]: Found implementation of procedure PptTrySelectDevice [2022-10-17 10:37:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:37:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectBytePort [2022-10-17 10:37:23,325 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectBytePort [2022-10-17 10:37:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure PptReleaseRemoveLock [2022-10-17 10:37:23,325 INFO L138 BoogieDeclarations]: Found implementation of procedure PptReleaseRemoveLock [2022-10-17 10:37:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:37:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure PptPowerComplete [2022-10-17 10:37:23,326 INFO L138 BoogieDeclarations]: Found implementation of procedure PptPowerComplete [2022-10-17 10:37:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure PptFailRequest [2022-10-17 10:37:23,326 INFO L138 BoogieDeclarations]: Found implementation of procedure PptFailRequest [2022-10-17 10:37:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure IoAcquireRemoveLockEx [2022-10-17 10:37:23,327 INFO L138 BoogieDeclarations]: Found implementation of procedure IoAcquireRemoveLockEx [2022-10-17 10:37:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:37:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2022-10-17 10:37:23,327 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2022-10-17 10:37:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure PptSetByteMode [2022-10-17 10:37:23,328 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSetByteMode [2022-10-17 10:37:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure PptLegacyZipClockPrtModeByte [2022-10-17 10:37:23,328 INFO L138 BoogieDeclarations]: Found implementation of procedure PptLegacyZipClockPrtModeByte [2022-10-17 10:37:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetectEppPort [2022-10-17 10:37:23,329 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetectEppPort [2022-10-17 10:37:23,329 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetermineFifoWidth [2022-10-17 10:37:23,329 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetermineFifoWidth [2022-10-17 10:37:23,329 INFO L130 BoogieDeclarations]: Found specification of procedure PptSend1284_3Command [2022-10-17 10:37:23,329 INFO L138 BoogieDeclarations]: Found implementation of procedure PptSend1284_3Command [2022-10-17 10:37:23,330 INFO L130 BoogieDeclarations]: Found specification of procedure PptDetermineFifoDepth [2022-10-17 10:37:23,330 INFO L138 BoogieDeclarations]: Found implementation of procedure PptDetermineFifoDepth [2022-10-17 10:37:23,330 INFO L130 BoogieDeclarations]: Found specification of procedure PptCompleteRequest [2022-10-17 10:37:23,330 INFO L138 BoogieDeclarations]: Found implementation of procedure PptCompleteRequest [2022-10-17 10:37:23,330 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2022-10-17 10:37:23,331 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2022-10-17 10:37:23,331 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedIncrement [2022-10-17 10:37:23,331 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedIncrement [2022-10-17 10:37:23,331 INFO L130 BoogieDeclarations]: Found specification of procedure PoRequestPowerIrp [2022-10-17 10:37:23,331 INFO L138 BoogieDeclarations]: Found implementation of procedure PoRequestPowerIrp [2022-10-17 10:37:23,332 INFO L130 BoogieDeclarations]: Found specification of procedure KeSynchronizeExecution [2022-10-17 10:37:23,332 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSynchronizeExecution [2022-10-17 10:37:23,332 INFO L130 BoogieDeclarations]: Found specification of procedure PptAcquireRemoveLockOrFailIrp [2022-10-17 10:37:23,332 INFO L138 BoogieDeclarations]: Found implementation of procedure PptAcquireRemoveLockOrFailIrp [2022-10-17 10:37:23,332 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~PVOID~0~X~~UCHAR~0~TO~~NTSTATUS~0 [2022-10-17 10:37:23,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~PVOID~0~X~~UCHAR~0~TO~~NTSTATUS~0 [2022-10-17 10:37:23,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:37:23,333 INFO L130 BoogieDeclarations]: Found specification of procedure PoSetPowerState [2022-10-17 10:37:23,333 INFO L138 BoogieDeclarations]: Found implementation of procedure PoSetPowerState [2022-10-17 10:37:23,333 INFO L130 BoogieDeclarations]: Found specification of procedure Ppt1284_3AssignAddress [2022-10-17 10:37:23,333 INFO L138 BoogieDeclarations]: Found implementation of procedure Ppt1284_3AssignAddress [2022-10-17 10:37:23,334 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2022-10-17 10:37:23,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2022-10-17 10:37:23,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:37:23,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:37:24,271 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:37:24,275 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:37:24,357 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:37:24,449 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2022-10-17 10:37:24,449 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2022-10-17 10:37:24,456 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:37:24,545 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##6: assume !false; [2022-10-17 10:37:24,545 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##5: assume false; [2022-10-17 10:37:25,147 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:37:25,250 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-10-17 10:37:25,250 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-10-17 10:37:25,701 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:37:25,707 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-10-17 10:37:25,707 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-10-17 10:37:25,878 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:37:25,915 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-10-17 10:37:25,915 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-10-17 10:37:26,067 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:37:26,075 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-10-17 10:37:26,076 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-10-17 10:37:26,078 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:37:26,104 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-10-17 10:37:26,104 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-10-17 10:37:26,105 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:37:26,162 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume false; [2022-10-17 10:37:26,163 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume !false; [2022-10-17 10:37:26,556 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:37:26,559 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:37:26,561 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:37:26,562 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:37:26,563 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:37:26,565 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:37:26,578 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:37:26,581 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:37:26,587 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:37:26,590 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:37:26,591 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:37:26,595 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-10-17 10:37:37,608 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##381: assume !false; [2022-10-17 10:37:37,608 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##380: assume false; [2022-10-17 10:37:37,609 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##419: assume !false; [2022-10-17 10:37:37,609 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##418: assume false; [2022-10-17 10:37:37,609 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##483: assume !false; [2022-10-17 10:37:37,609 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##482: assume false; [2022-10-17 10:37:37,609 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##526: assume false; [2022-10-17 10:37:37,609 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##527: assume !false; [2022-10-17 10:37:37,609 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##537: assume !false; [2022-10-17 10:37:37,609 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##536: assume false; [2022-10-17 10:37:37,610 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##94: assume !false; [2022-10-17 10:37:37,610 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume false; [2022-10-17 10:37:37,610 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !false; [2022-10-17 10:37:37,610 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##68: assume false; [2022-10-17 10:37:37,610 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume !false; [2022-10-17 10:37:37,610 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume false; [2022-10-17 10:37:37,610 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2022-10-17 10:37:37,610 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2022-10-17 10:37:37,610 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume !false; [2022-10-17 10:37:37,611 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##156: assume false; [2022-10-17 10:37:37,611 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##582: assume !false; [2022-10-17 10:37:37,611 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##581: assume false; [2022-10-17 10:37:37,611 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##125: assume !false; [2022-10-17 10:37:37,611 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##124: assume false; [2022-10-17 10:37:37,747 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:37:37,785 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:37:37,785 INFO L300 CfgBuilder]: Removed 32 assume(true) statements. [2022-10-17 10:37:37,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:37:37 BoogieIcfgContainer [2022-10-17 10:37:37,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:37:37,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:37:37,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:37:37,801 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:37:37,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:37:19" (1/3) ... [2022-10-17 10:37:37,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8d5f86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:37:37, skipping insertion in model container [2022-10-17 10:37:37,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:22" (2/3) ... [2022-10-17 10:37:37,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8d5f86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:37:37, skipping insertion in model container [2022-10-17 10:37:37,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:37:37" (3/3) ... [2022-10-17 10:37:37,805 INFO L112 eAbstractionObserver]: Analyzing ICFG parport.i.cil-1.c [2022-10-17 10:37:37,824 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:37:37,825 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:37:37,961 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:37:37,970 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@73d8f69f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:37:37,970 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:37:37,986 INFO L276 IsEmpty]: Start isEmpty. Operand has 1753 states, 1240 states have (on average 1.485483870967742) internal successors, (1842), 1289 states have internal predecessors, (1842), 442 states have call successors, (442), 69 states have call predecessors, (442), 69 states have return successors, (442), 429 states have call predecessors, (442), 442 states have call successors, (442) [2022-10-17 10:37:37,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 10:37:37,995 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:37:37,996 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:37:37,996 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:37:38,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:37:38,004 INFO L85 PathProgramCache]: Analyzing trace with hash 848790485, now seen corresponding path program 1 times [2022-10-17 10:37:38,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:37:38,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945755101] [2022-10-17 10:37:38,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:37:38,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:37:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:38,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:37:38,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:37:38,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945755101] [2022-10-17 10:37:38,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945755101] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:37:38,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:37:38,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:37:38,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561765737] [2022-10-17 10:37:38,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:37:38,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:37:38,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:37:38,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:37:38,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:37:38,770 INFO L87 Difference]: Start difference. First operand has 1753 states, 1240 states have (on average 1.485483870967742) internal successors, (1842), 1289 states have internal predecessors, (1842), 442 states have call successors, (442), 69 states have call predecessors, (442), 69 states have return successors, (442), 429 states have call predecessors, (442), 442 states have call successors, (442) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-10-17 10:37:39,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:37:39,219 INFO L93 Difference]: Finished difference Result 3415 states and 5411 transitions. [2022-10-17 10:37:39,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:37:39,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 13 [2022-10-17 10:37:39,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:37:39,271 INFO L225 Difference]: With dead ends: 3415 [2022-10-17 10:37:39,272 INFO L226 Difference]: Without dead ends: 1746 [2022-10-17 10:37:39,287 INFO L412 NwaCegarLoop]: 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 [2022-10-17 10:37:39,291 INFO L413 NwaCegarLoop]: 2606 mSDtfsCounter, 8 mSDsluCounter, 2552 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5158 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-17 10:37:39,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 5158 Invalid, 63 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-17 10:37:39,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1746 states. [2022-10-17 10:37:39,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1746 to 1746. [2022-10-17 10:37:39,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1746 states, 1235 states have (on average 1.4032388663967612) internal successors, (1733), 1282 states have internal predecessors, (1733), 442 states have call successors, (442), 69 states have call predecessors, (442), 68 states have return successors, (423), 415 states have call predecessors, (423), 423 states have call successors, (423) [2022-10-17 10:37:39,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1746 states and 2598 transitions. [2022-10-17 10:37:39,575 INFO L78 Accepts]: Start accepts. Automaton has 1746 states and 2598 transitions. Word has length 13 [2022-10-17 10:37:39,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:37:39,576 INFO L495 AbstractCegarLoop]: Abstraction has 1746 states and 2598 transitions. [2022-10-17 10:37:39,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-10-17 10:37:39,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 2598 transitions. [2022-10-17 10:37:39,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 10:37:39,578 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:37:39,578 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:37:39,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:37:39,579 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:37:39,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:37:39,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1906265090, now seen corresponding path program 1 times [2022-10-17 10:37:39,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:37:39,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268577881] [2022-10-17 10:37:39,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:37:39,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:37:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:39,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:37:39,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:37:39,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268577881] [2022-10-17 10:37:39,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268577881] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:37:39,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:37:39,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:37:39,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822883956] [2022-10-17 10:37:39,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:37:39,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 10:37:39,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:37:39,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:37:39,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:37:39,952 INFO L87 Difference]: Start difference. First operand 1746 states and 2598 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:37:40,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:37:40,403 INFO L93 Difference]: Finished difference Result 4480 states and 6719 transitions. [2022-10-17 10:37:40,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 10:37:40,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 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 18 [2022-10-17 10:37:40,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:37:40,442 INFO L225 Difference]: With dead ends: 4480 [2022-10-17 10:37:40,442 INFO L226 Difference]: Without dead ends: 3296 [2022-10-17 10:37:40,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:37:40,454 INFO L413 NwaCegarLoop]: 4585 mSDtfsCounter, 2486 mSDsluCounter, 2342 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2486 SdHoareTripleChecker+Valid, 6927 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-17 10:37:40,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2486 Valid, 6927 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-17 10:37:40,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3296 states. [2022-10-17 10:37:40,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3296 to 3276. [2022-10-17 10:37:40,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3276 states, 2323 states have (on average 1.3986224709427464) internal successors, (3249), 2388 states have internal predecessors, (3249), 822 states have call successors, (822), 132 states have call predecessors, (822), 130 states have return successors, (840), 790 states have call predecessors, (840), 806 states have call successors, (840) [2022-10-17 10:37:40,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3276 states to 3276 states and 4911 transitions. [2022-10-17 10:37:40,735 INFO L78 Accepts]: Start accepts. Automaton has 3276 states and 4911 transitions. Word has length 18 [2022-10-17 10:37:40,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:37:40,735 INFO L495 AbstractCegarLoop]: Abstraction has 3276 states and 4911 transitions. [2022-10-17 10:37:40,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:37:40,736 INFO L276 IsEmpty]: Start isEmpty. Operand 3276 states and 4911 transitions. [2022-10-17 10:37:40,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 10:37:40,741 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:37:40,741 INFO L195 NwaCegarLoop]: 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] [2022-10-17 10:37:40,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:37:40,741 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:37:40,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:37:40,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1515253816, now seen corresponding path program 1 times [2022-10-17 10:37:40,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:37:40,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021928733] [2022-10-17 10:37:40,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:37:40,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:37:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:41,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-17 10:37:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:41,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:37:41,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:37:41,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021928733] [2022-10-17 10:37:41,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021928733] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:37:41,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:37:41,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:37:41,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391947386] [2022-10-17 10:37:41,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:37:41,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:37:41,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:37:41,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:37:41,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:37:41,221 INFO L87 Difference]: Start difference. First operand 3276 states and 4911 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)