./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-2.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_0307d4aa-f85c-4579-bc24-b3a5a8b72231/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0307d4aa-f85c-4579-bc24-b3a5a8b72231/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_0307d4aa-f85c-4579-bc24-b3a5a8b72231/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0307d4aa-f85c-4579-bc24-b3a5a8b72231/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0307d4aa-f85c-4579-bc24-b3a5a8b72231/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_0307d4aa-f85c-4579-bc24-b3a5a8b72231/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 13ab100f899a57e5eca7e0526610c7b743f980d5e72b80cc180b4d884d35b9a9 --- 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 12:37:16,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:37:16,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:37:16,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:37:16,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:37:16,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:37:16,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:37:16,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:37:16,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:37:16,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:37:16,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:37:16,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:37:16,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:37:16,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:37:16,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:37:16,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:37:16,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:37:16,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:37:16,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:37:16,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:37:16,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:37:16,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:37:16,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:37:16,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:37:16,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:37:16,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:37:16,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:37:16,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:37:16,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:37:16,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:37:16,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:37:16,327 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:37:16,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:37:16,331 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:37:16,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:37:16,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:37:16,335 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:37:16,335 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:37:16,336 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:37:16,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:37:16,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:37:16,340 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0307d4aa-f85c-4579-bc24-b3a5a8b72231/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 12:37:16,375 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:37:16,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:37:16,377 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:37:16,377 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:37:16,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:37:16,378 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:37:16,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:37:16,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:37:16,379 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:37:16,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:37:16,381 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:37:16,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:37:16,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:37:16,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:37:16,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:37:16,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:37:16,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:37:16,382 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:37:16,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:37:16,383 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:37:16,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:37:16,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:37:16,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:37:16,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:37:16,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:37:16,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:37:16,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:37:16,385 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:37:16,385 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:37:16,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:37:16,386 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:37:16,386 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:37:16,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:37:16,387 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_0307d4aa-f85c-4579-bc24-b3a5a8b72231/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0307d4aa-f85c-4579-bc24-b3a5a8b72231/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13ab100f899a57e5eca7e0526610c7b743f980d5e72b80cc180b4d884d35b9a9 [2022-11-20 12:37:16,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:37:16,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:37:16,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:37:16,691 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:37:16,691 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:37:16,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0307d4aa-f85c-4579-bc24-b3a5a8b72231/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-2.c [2022-11-20 12:37:19,818 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:37:20,485 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:37:20,485 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0307d4aa-f85c-4579-bc24-b3a5a8b72231/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-2.c [2022-11-20 12:37:20,549 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0307d4aa-f85c-4579-bc24-b3a5a8b72231/bin/uautomizer-ug76WZFUDN/data/d3127ab2e/0a09d487a481462f899c5bec07ecaf46/FLAG66d91a6d3 [2022-11-20 12:37:20,568 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0307d4aa-f85c-4579-bc24-b3a5a8b72231/bin/uautomizer-ug76WZFUDN/data/d3127ab2e/0a09d487a481462f899c5bec07ecaf46 [2022-11-20 12:37:20,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:37:20,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:37:20,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:37:20,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:37:20,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:37:20,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:37:20" (1/1) ... [2022-11-20 12:37:20,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@221c6ea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:20, skipping insertion in model container [2022-11-20 12:37:20,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:37:20" (1/1) ... [2022-11-20 12:37:20,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:37:20,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:37:21,139 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_0307d4aa-f85c-4579-bc24-b3a5a8b72231/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-2.c[2320,2333] [2022-11-20 12:37:22,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:37:22,524 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:37:22,550 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_0307d4aa-f85c-4579-bc24-b3a5a8b72231/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M4-2.c[2320,2333] [2022-11-20 12:37:23,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:37:23,605 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:37:23,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:23 WrapperNode [2022-11-20 12:37:23,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:37:23,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:37:23,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:37:23,608 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:37:23,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:23" (1/1) ... [2022-11-20 12:37:24,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:23" (1/1) ... [2022-11-20 12:37:26,081 INFO L138 Inliner]: procedures = 72, calls = 21416, calls flagged for inlining = 28, calls inlined = 28, statements flattened = 45878 [2022-11-20 12:37:26,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:37:26,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:37:26,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:37:26,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:37:26,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:23" (1/1) ... [2022-11-20 12:37:26,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:23" (1/1) ... [2022-11-20 12:37:26,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:23" (1/1) ... [2022-11-20 12:37:26,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:23" (1/1) ... [2022-11-20 12:37:27,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:23" (1/1) ... [2022-11-20 12:37:28,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:23" (1/1) ... [2022-11-20 12:37:28,114 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:23" (1/1) ... [2022-11-20 12:37:28,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:23" (1/1) ... [2022-11-20 12:37:28,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:37:28,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:37:28,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:37:28,356 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:37:28,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:23" (1/1) ... [2022-11-20 12:37:28,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:37:28,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0307d4aa-f85c-4579-bc24-b3a5a8b72231/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:37:28,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0307d4aa-f85c-4579-bc24-b3a5a8b72231/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:37:28,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0307d4aa-f85c-4579-bc24-b3a5a8b72231/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:37:28,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:37:28,440 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_trans [2022-11-20 12:37:28,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_trans [2022-11-20 12:37:28,440 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2022-11-20 12:37:28,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2022-11-20 12:37:28,440 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-11-20 12:37:28,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-11-20 12:37:28,440 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-11-20 12:37:28,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-11-20 12:37:28,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:37:28,441 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-11-20 12:37:28,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-11-20 12:37:28,441 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-11-20 12:37:28,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-11-20 12:37:28,441 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-11-20 12:37:28,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-11-20 12:37:28,441 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-11-20 12:37:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-11-20 12:37:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 12:37:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-11-20 12:37:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-11-20 12:37:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-11-20 12:37:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-11-20 12:37:28,442 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2022-11-20 12:37:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2022-11-20 12:37:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-11-20 12:37:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-11-20 12:37:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-11-20 12:37:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-11-20 12:37:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-11-20 12:37:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-11-20 12:37:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-11-20 12:37:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-11-20 12:37:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:37:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 12:37:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-11-20 12:37:28,445 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-11-20 12:37:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-11-20 12:37:28,446 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-11-20 12:37:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2022-11-20 12:37:28,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2022-11-20 12:37:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2022-11-20 12:37:28,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2022-11-20 12:37:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 12:37:28,447 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 12:37:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:37:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:37:28,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:37:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-11-20 12:37:28,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-11-20 12:37:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-11-20 12:37:28,448 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-11-20 12:37:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-11-20 12:37:28,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-11-20 12:37:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2022-11-20 12:37:28,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2022-11-20 12:37:31,005 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:37:31,008 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:41:35,965 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:41:36,029 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:41:36,029 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 12:41:36,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:41:36 BoogieIcfgContainer [2022-11-20 12:41:36,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:41:36,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:41:36,050 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:41:36,053 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:41:36,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:37:20" (1/3) ... [2022-11-20 12:41:36,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@583a51a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:41:36, skipping insertion in model container [2022-11-20 12:41:36,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:37:23" (2/3) ... [2022-11-20 12:41:36,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@583a51a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:41:36, skipping insertion in model container [2022-11-20 12:41:36,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:41:36" (3/3) ... [2022-11-20 12:41:36,059 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_aso.2.M4-2.c [2022-11-20 12:41:36,083 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:41:36,083 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 12:41:36,378 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:41:36,389 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;@3193880, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:41:36,389 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 12:41:36,435 INFO L276 IsEmpty]: Start isEmpty. Operand has 13237 states, 8527 states have (on average 1.3011610179430046) internal successors, (11095), 8640 states have internal predecessors, (11095), 4684 states have call successors, (4684), 24 states have call predecessors, (4684), 24 states have return successors, (4684), 4682 states have call predecessors, (4684), 4684 states have call successors, (4684) [2022-11-20 12:41:37,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8469 [2022-11-20 12:41:37,434 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:41:37,439 INFO L195 NwaCegarLoop]: trace histogram [979, 979, 979, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:41:37,440 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:41:37,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:41:37,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1605075142, now seen corresponding path program 1 times [2022-11-20 12:41:37,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:41:37,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581920013] [2022-11-20 12:41:37,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:41:37,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms