./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_25480908-dbce-4148-a94c-bb4ec70c938a/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25480908-dbce-4148-a94c-bb4ec70c938a/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25480908-dbce-4148-a94c-bb4ec70c938a/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25480908-dbce-4148-a94c-bb4ec70c938a/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25480908-dbce-4148-a94c-bb4ec70c938a/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25480908-dbce-4148-a94c-bb4ec70c938a/bin/uautomizer-QkZJyEgLgS --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 ab9f0c8bf8702d6b09918533becccbdb970411e8ea985342c84585cb962ca4e1 --- 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-4e7fbc6 [2022-11-23 04:05:05,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 04:05:05,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 04:05:05,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 04:05:05,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 04:05:05,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 04:05:05,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 04:05:05,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 04:05:05,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 04:05:05,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 04:05:05,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 04:05:05,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 04:05:05,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 04:05:05,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 04:05:05,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 04:05:05,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 04:05:05,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 04:05:05,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 04:05:05,791 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 04:05:05,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 04:05:05,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 04:05:05,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 04:05:05,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 04:05:05,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 04:05:05,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 04:05:05,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 04:05:05,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 04:05:05,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 04:05:05,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 04:05:05,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 04:05:05,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 04:05:05,829 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 04:05:05,830 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 04:05:05,832 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 04:05:05,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 04:05:05,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 04:05:05,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 04:05:05,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 04:05:05,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 04:05:05,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 04:05:05,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 04:05:05,853 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25480908-dbce-4148-a94c-bb4ec70c938a/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-23 04:05:05,872 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 04:05:05,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 04:05:05,872 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 04:05:05,873 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 04:05:05,873 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 04:05:05,874 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 04:05:05,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 04:05:05,874 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 04:05:05,875 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 04:05:05,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 04:05:05,875 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 04:05:05,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 04:05:05,875 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 04:05:05,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 04:05:05,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 04:05:05,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 04:05:05,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 04:05:05,876 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 04:05:05,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 04:05:05,877 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 04:05:05,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 04:05:05,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 04:05:05,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 04:05:05,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 04:05:05,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 04:05:05,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 04:05:05,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 04:05:05,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 04:05:05,879 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 04:05:05,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 04:05:05,879 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 04:05:05,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 04:05:05,880 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 04:05:05,880 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 04:05:05,880 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_25480908-dbce-4148-a94c-bb4ec70c938a/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25480908-dbce-4148-a94c-bb4ec70c938a/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab9f0c8bf8702d6b09918533becccbdb970411e8ea985342c84585cb962ca4e1 [2022-11-23 04:05:06,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 04:05:06,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 04:05:06,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 04:05:06,211 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 04:05:06,211 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 04:05:06,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25480908-dbce-4148-a94c-bb4ec70c938a/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M1.c [2022-11-23 04:05:09,354 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 04:05:09,742 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 04:05:09,744 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25480908-dbce-4148-a94c-bb4ec70c938a/sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M1.c [2022-11-23 04:05:09,771 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25480908-dbce-4148-a94c-bb4ec70c938a/bin/uautomizer-QkZJyEgLgS/data/0d6dc79f7/55e16837c41a412f86a11bc66233f194/FLAG2a5608530 [2022-11-23 04:05:09,790 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25480908-dbce-4148-a94c-bb4ec70c938a/bin/uautomizer-QkZJyEgLgS/data/0d6dc79f7/55e16837c41a412f86a11bc66233f194 [2022-11-23 04:05:09,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 04:05:09,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 04:05:09,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 04:05:09,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 04:05:09,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 04:05:09,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:05:09" (1/1) ... [2022-11-23 04:05:09,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@98f3041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:09, skipping insertion in model container [2022-11-23 04:05:09,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:05:09" (1/1) ... [2022-11-23 04:05:09,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 04:05:09,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 04:05:10,193 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_25480908-dbce-4148-a94c-bb4ec70c938a/sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M1.c[2061,2074] [2022-11-23 04:05:10,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 04:05:10,875 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 04:05:10,907 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_25480908-dbce-4148-a94c-bb4ec70c938a/sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M1.c[2061,2074] [2022-11-23 04:05:11,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 04:05:11,202 INFO L208 MainTranslator]: Completed translation [2022-11-23 04:05:11,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:11 WrapperNode [2022-11-23 04:05:11,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 04:05:11,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 04:05:11,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 04:05:11,205 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 04:05:11,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:11" (1/1) ... [2022-11-23 04:05:11,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:11" (1/1) ... [2022-11-23 04:05:11,450 INFO L138 Inliner]: procedures = 72, calls = 2683, calls flagged for inlining = 27, calls inlined = 27, statements flattened = 5614 [2022-11-23 04:05:11,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 04:05:11,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 04:05:11,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 04:05:11,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 04:05:11,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:11" (1/1) ... [2022-11-23 04:05:11,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:11" (1/1) ... [2022-11-23 04:05:11,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:11" (1/1) ... [2022-11-23 04:05:11,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:11" (1/1) ... [2022-11-23 04:05:11,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:11" (1/1) ... [2022-11-23 04:05:11,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:11" (1/1) ... [2022-11-23 04:05:11,760 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:11" (1/1) ... [2022-11-23 04:05:11,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:11" (1/1) ... [2022-11-23 04:05:11,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 04:05:11,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 04:05:11,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 04:05:11,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 04:05:11,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:11" (1/1) ... [2022-11-23 04:05:11,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 04:05:11,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25480908-dbce-4148-a94c-bb4ec70c938a/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 04:05:11,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25480908-dbce-4148-a94c-bb4ec70c938a/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 04:05:11,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25480908-dbce-4148-a94c-bb4ec70c938a/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 04:05:11,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 04:05:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2022-11-23 04:05:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2022-11-23 04:05:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-11-23 04:05:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-11-23 04:05:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-11-23 04:05:11,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-11-23 04:05:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 04:05:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-11-23 04:05:11,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-11-23 04:05:11,997 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-11-23 04:05:11,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-11-23 04:05:11,997 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-11-23 04:05:11,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-11-23 04:05:11,997 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-11-23 04:05:11,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-11-23 04:05:11,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 04:05:11,998 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-11-23 04:05:11,998 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-11-23 04:05:11,998 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_version [2022-11-23 04:05:11,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_version [2022-11-23 04:05:11,999 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-11-23 04:05:11,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-11-23 04:05:11,999 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2022-11-23 04:05:11,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2022-11-23 04:05:11,999 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-11-23 04:05:12,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-11-23 04:05:12,000 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-11-23 04:05:12,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-11-23 04:05:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_version [2022-11-23 04:05:12,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_version [2022-11-23 04:05:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-11-23 04:05:12,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-11-23 04:05:12,002 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-11-23 04:05:12,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-11-23 04:05:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 04:05:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 04:05:12,003 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-11-23 04:05:12,004 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-11-23 04:05:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-11-23 04:05:12,004 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-11-23 04:05:12,004 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2022-11-23 04:05:12,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2022-11-23 04:05:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2022-11-23 04:05:12,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2022-11-23 04:05:12,005 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 04:05:12,005 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 04:05:12,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 04:05:12,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 04:05:12,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 04:05:12,006 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-11-23 04:05:12,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-11-23 04:05:12,007 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-11-23 04:05:12,007 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-11-23 04:05:12,008 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-11-23 04:05:12,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-11-23 04:05:12,008 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2022-11-23 04:05:12,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2022-11-23 04:05:12,768 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 04:05:12,781 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 04:05:24,222 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 04:05:24,240 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 04:05:24,240 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 04:05:24,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:05:24 BoogieIcfgContainer [2022-11-23 04:05:24,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 04:05:24,247 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 04:05:24,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 04:05:24,251 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 04:05:24,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:05:09" (1/3) ... [2022-11-23 04:05:24,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e805a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:05:24, skipping insertion in model container [2022-11-23 04:05:24,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:05:11" (2/3) ... [2022-11-23 04:05:24,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e805a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:05:24, skipping insertion in model container [2022-11-23 04:05:24,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:05:24" (3/3) ... [2022-11-23 04:05:24,255 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_aso.3.M1.c [2022-11-23 04:05:24,275 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 04:05:24,275 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 04:05:24,367 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 04:05:24,373 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;@2121ba1d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 04:05:24,374 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 04:05:24,384 INFO L276 IsEmpty]: Start isEmpty. Operand has 1650 states, 1023 states have (on average 1.2561094819159335) internal successors, (1285), 1055 states have internal predecessors, (1285), 600 states have call successors, (600), 25 states have call predecessors, (600), 25 states have return successors, (600), 598 states have call predecessors, (600), 600 states have call successors, (600) [2022-11-23 04:05:24,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1659 [2022-11-23 04:05:24,558 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 04:05:24,561 INFO L195 NwaCegarLoop]: trace histogram [241, 241, 241, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 04:05:24,561 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 04:05:24,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 04:05:24,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1503460362, now seen corresponding path program 1 times [2022-11-23 04:05:24,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 04:05:24,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267228652] [2022-11-23 04:05:24,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 04:05:24,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms