./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1a29f-9896-406f-9d22-7a0c32b24fe0/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1a29f-9896-406f-9d22-7a0c32b24fe0/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1a29f-9896-406f-9d22-7a0c32b24fe0/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1a29f-9896-406f-9d22-7a0c32b24fe0/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1a29f-9896-406f-9d22-7a0c32b24fe0/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1a29f-9896-406f-9d22-7a0c32b24fe0/bin/uautomizer-ug76WZFUDN --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 fe3c2276a7cb4a5d1230bb06af9c590640e6d7fcc357e815e8e5e988ba323a74 --- 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-6b4ec56 [2022-11-20 12:30:10,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:30:10,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:30:10,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:30:10,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:30:10,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:30:10,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:30:10,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:30:10,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:30:10,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:30:10,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:30:10,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:30:10,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:30:10,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:30:10,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:30:10,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:30:10,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:30:10,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:30:10,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:30:10,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:30:10,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:30:10,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:30:10,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:30:10,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:30:10,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:30:10,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:30:10,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:30:10,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:30:10,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:30:10,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:30:10,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:30:10,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:30:10,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:30:10,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:30:10,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:30:10,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:30:10,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:30:10,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:30:10,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:30:10,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:30:10,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:30:10,495 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1a29f-9896-406f-9d22-7a0c32b24fe0/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 12:30:10,549 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:30:10,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:30:10,550 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:30:10,550 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:30:10,551 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:30:10,551 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:30:10,552 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:30:10,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:30:10,553 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:30:10,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:30:10,553 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:30:10,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:30:10,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:30:10,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:30:10,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:30:10,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:30:10,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:30:10,567 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:30:10,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:30:10,568 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:30:10,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:30:10,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:30:10,569 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:30:10,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:30:10,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:30:10,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:30:10,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:30:10,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:30:10,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:30:10,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:30:10,571 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:30:10,571 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:30:10,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:30:10,572 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_06b1a29f-9896-406f-9d22-7a0c32b24fe0/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1a29f-9896-406f-9d22-7a0c32b24fe0/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe3c2276a7cb4a5d1230bb06af9c590640e6d7fcc357e815e8e5e988ba323a74 [2022-11-20 12:30:10,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:30:10,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:30:10,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:30:10,880 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:30:10,881 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:30:10,883 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1a29f-9896-406f-9d22-7a0c32b24fe0/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c [2022-11-20 12:30:14,151 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:30:14,546 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:30:14,546 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1a29f-9896-406f-9d22-7a0c32b24fe0/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c [2022-11-20 12:30:14,564 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1a29f-9896-406f-9d22-7a0c32b24fe0/bin/uautomizer-ug76WZFUDN/data/fdf2e3024/4b1d63689ffb4f90811a6bb0b23ce59e/FLAGbc1209f4b [2022-11-20 12:30:14,579 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1a29f-9896-406f-9d22-7a0c32b24fe0/bin/uautomizer-ug76WZFUDN/data/fdf2e3024/4b1d63689ffb4f90811a6bb0b23ce59e [2022-11-20 12:30:14,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:30:14,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:30:14,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:30:14,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:30:14,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:30:14,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:30:14" (1/1) ... [2022-11-20 12:30:14,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a39b6a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:14, skipping insertion in model container [2022-11-20 12:30:14,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:30:14" (1/1) ... [2022-11-20 12:30:14,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:30:14,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:30:14,859 WARN L237 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_06b1a29f-9896-406f-9d22-7a0c32b24fe0/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c[2320,2333] [2022-11-20 12:30:15,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:30:15,225 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:30:15,241 WARN L237 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_06b1a29f-9896-406f-9d22-7a0c32b24fe0/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c[2320,2333] [2022-11-20 12:30:15,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:30:15,588 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:30:15,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:15 WrapperNode [2022-11-20 12:30:15,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:30:15,591 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:30:15,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:30:15,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:30:15,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:15" (1/1) ... [2022-11-20 12:30:15,679 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:15" (1/1) ... [2022-11-20 12:30:15,878 INFO L138 Inliner]: procedures = 63, calls = 2147, calls flagged for inlining = 22, calls inlined = 22, statements flattened = 4519 [2022-11-20 12:30:15,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:30:15,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:30:15,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:30:15,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:30:15,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:15" (1/1) ... [2022-11-20 12:30:15,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:15" (1/1) ... [2022-11-20 12:30:15,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:15" (1/1) ... [2022-11-20 12:30:15,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:15" (1/1) ... [2022-11-20 12:30:16,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:15" (1/1) ... [2022-11-20 12:30:16,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:15" (1/1) ... [2022-11-20 12:30:16,088 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:15" (1/1) ... [2022-11-20 12:30:16,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:15" (1/1) ... [2022-11-20 12:30:16,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:30:16,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:30:16,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:30:16,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:30:16,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:15" (1/1) ... [2022-11-20 12:30:16,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:30:16,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1a29f-9896-406f-9d22-7a0c32b24fe0/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:30:16,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1a29f-9896-406f-9d22-7a0c32b24fe0/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:30:16,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b1a29f-9896-406f-9d22-7a0c32b24fe0/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:30:16,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:30:16,225 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2022-11-20 12:30:16,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2022-11-20 12:30:16,226 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-11-20 12:30:16,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-11-20 12:30:16,227 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-11-20 12:30:16,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-11-20 12:30:16,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:30:16,228 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-11-20 12:30:16,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-11-20 12:30:16,228 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-11-20 12:30:16,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-11-20 12:30:16,228 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-11-20 12:30:16,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-11-20 12:30:16,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 12:30:16,229 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-11-20 12:30:16,229 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-11-20 12:30:16,229 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-11-20 12:30:16,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-11-20 12:30:16,230 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2022-11-20 12:30:16,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2022-11-20 12:30:16,230 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-11-20 12:30:16,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-11-20 12:30:16,230 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-11-20 12:30:16,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-11-20 12:30:16,231 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-11-20 12:30:16,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-11-20 12:30:16,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:30:16,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 12:30:16,232 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-11-20 12:30:16,232 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-11-20 12:30:16,232 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-11-20 12:30:16,232 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-11-20 12:30:16,232 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2022-11-20 12:30:16,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2022-11-20 12:30:16,233 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2022-11-20 12:30:16,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2022-11-20 12:30:16,233 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 12:30:16,233 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 12:30:16,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:30:16,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:30:16,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:30:16,234 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-11-20 12:30:16,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-11-20 12:30:16,234 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-11-20 12:30:16,234 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-11-20 12:30:16,235 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-11-20 12:30:16,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-11-20 12:30:16,235 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2022-11-20 12:30:16,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2022-11-20 12:30:16,806 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:30:16,808 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:30:25,349 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:30:25,368 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:30:25,368 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 12:30:25,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:30:25 BoogieIcfgContainer [2022-11-20 12:30:25,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:30:25,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:30:25,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:30:25,379 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:30:25,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:30:14" (1/3) ... [2022-11-20 12:30:25,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f1ad34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:30:25, skipping insertion in model container [2022-11-20 12:30:25,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:30:15" (2/3) ... [2022-11-20 12:30:25,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f1ad34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:30:25, skipping insertion in model container [2022-11-20 12:30:25,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:30:25" (3/3) ... [2022-11-20 12:30:25,383 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_aso.2.M1-2.c [2022-11-20 12:30:25,406 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:30:25,406 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 12:30:25,528 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:30:25,539 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;@3870313e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:30:25,539 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 12:30:25,554 INFO L276 IsEmpty]: Start isEmpty. Operand has 1429 states, 897 states have (on average 1.2709030100334449) internal successors, (1140), 928 states have internal predecessors, (1140), 509 states have call successors, (509), 21 states have call predecessors, (509), 21 states have return successors, (509), 507 states have call predecessors, (509), 509 states have call successors, (509) [2022-11-20 12:30:25,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1035 [2022-11-20 12:30:25,651 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:30:25,654 INFO L195 NwaCegarLoop]: trace histogram [137, 137, 137, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:30:25,654 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:30:25,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:30:25,664 INFO L85 PathProgramCache]: Analyzing trace with hash -488918017, now seen corresponding path program 1 times [2022-11-20 12:30:25,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:30:25,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879040348] [2022-11-20 12:30:25,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:30:25,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms