./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6641d474-7f0a-49c2-8c3c-2e5d97e94fb9/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6641d474-7f0a-49c2-8c3c-2e5d97e94fb9/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6641d474-7f0a-49c2-8c3c-2e5d97e94fb9/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6641d474-7f0a-49c2-8c3c-2e5d97e94fb9/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6641d474-7f0a-49c2-8c3c-2e5d97e94fb9/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6641d474-7f0a-49c2-8c3c-2e5d97e94fb9/bin/uautomizer-TMbwUNV5ro --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 7236cecbd92b361c7dde7b9feb16da195b1cfc80435e4a8a50c2b2f61605ff24 --- 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-8393723 [2022-11-18 21:11:11,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:11:11,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:11:11,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:11:11,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:11:11,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:11:11,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:11:11,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:11:11,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:11:11,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:11:11,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:11:11,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:11:11,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:11:11,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:11:11,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:11:11,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:11:11,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:11:11,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:11:11,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:11:11,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:11:11,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:11:11,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:11:11,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:11:11,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:11:11,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:11:11,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:11:11,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:11:11,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:11:11,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:11:11,149 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:11:11,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:11:11,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:11:11,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:11:11,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:11:11,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:11:11,157 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:11:11,158 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:11:11,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:11:11,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:11:11,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:11:11,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:11:11,162 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6641d474-7f0a-49c2-8c3c-2e5d97e94fb9/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 21:11:11,191 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:11:11,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:11:11,192 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:11:11,192 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:11:11,193 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 21:11:11,193 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 21:11:11,194 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:11:11,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:11:11,195 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:11:11,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:11:11,195 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 21:11:11,196 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 21:11:11,196 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 21:11:11,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:11:11,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 21:11:11,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 21:11:11,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 21:11:11,197 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 21:11:11,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:11:11,198 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:11:11,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 21:11:11,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:11:11,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:11:11,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 21:11:11,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:11:11,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:11:11,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 21:11:11,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 21:11:11,201 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 21:11:11,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 21:11:11,201 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 21:11:11,202 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 21:11:11,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 21:11:11,202 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_6641d474-7f0a-49c2-8c3c-2e5d97e94fb9/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6641d474-7f0a-49c2-8c3c-2e5d97e94fb9/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7236cecbd92b361c7dde7b9feb16da195b1cfc80435e4a8a50c2b2f61605ff24 [2022-11-18 21:11:11,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:11:11,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:11:11,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:11:11,566 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:11:11,567 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:11:11,569 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6641d474-7f0a-49c2-8c3c-2e5d97e94fb9/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-1.c [2022-11-18 21:11:11,649 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6641d474-7f0a-49c2-8c3c-2e5d97e94fb9/bin/uautomizer-TMbwUNV5ro/data/8e7070e35/4c14658de243419781ccc6392a77a1ee/FLAG0f92be6aa [2022-11-18 21:11:12,618 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:11:12,619 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6641d474-7f0a-49c2-8c3c-2e5d97e94fb9/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-1.c [2022-11-18 21:11:12,699 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6641d474-7f0a-49c2-8c3c-2e5d97e94fb9/bin/uautomizer-TMbwUNV5ro/data/8e7070e35/4c14658de243419781ccc6392a77a1ee/FLAG0f92be6aa [2022-11-18 21:11:13,016 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6641d474-7f0a-49c2-8c3c-2e5d97e94fb9/bin/uautomizer-TMbwUNV5ro/data/8e7070e35/4c14658de243419781ccc6392a77a1ee [2022-11-18 21:11:13,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:11:13,022 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:11:13,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:11:13,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:11:13,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:11:13,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:11:13" (1/1) ... [2022-11-18 21:11:13,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6507d32e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:13, skipping insertion in model container [2022-11-18 21:11:13,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:11:13" (1/1) ... [2022-11-18 21:11:13,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:11:13,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:11:13,616 WARN L234 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_6641d474-7f0a-49c2-8c3c-2e5d97e94fb9/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-1.c[2313,2326] [2022-11-18 21:11:14,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:11:14,876 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 21:11:14,906 WARN L234 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_6641d474-7f0a-49c2-8c3c-2e5d97e94fb9/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-1.c[2313,2326] [2022-11-18 21:11:15,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:11:15,880 INFO L208 MainTranslator]: Completed translation [2022-11-18 21:11:15,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:15 WrapperNode [2022-11-18 21:11:15,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 21:11:15,881 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 21:11:15,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 21:11:15,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 21:11:15,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:15" (1/1) ... [2022-11-18 21:11:16,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:15" (1/1) ... [2022-11-18 21:11:18,136 INFO L138 Inliner]: procedures = 62, calls = 19341, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 41961 [2022-11-18 21:11:18,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 21:11:18,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 21:11:18,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 21:11:18,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 21:11:18,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:15" (1/1) ... [2022-11-18 21:11:18,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:15" (1/1) ... [2022-11-18 21:11:18,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:15" (1/1) ... [2022-11-18 21:11:18,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:15" (1/1) ... [2022-11-18 21:11:19,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:15" (1/1) ... [2022-11-18 21:11:19,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:15" (1/1) ... [2022-11-18 21:11:19,577 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:15" (1/1) ... [2022-11-18 21:11:19,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:15" (1/1) ... [2022-11-18 21:11:19,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 21:11:19,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 21:11:19,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 21:11:19,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 21:11:19,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:15" (1/1) ... [2022-11-18 21:11:19,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:11:19,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6641d474-7f0a-49c2-8c3c-2e5d97e94fb9/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:11:19,872 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6641d474-7f0a-49c2-8c3c-2e5d97e94fb9/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 21:11:19,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6641d474-7f0a-49c2-8c3c-2e5d97e94fb9/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 21:11:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 21:11:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2022-11-18 21:11:19,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2022-11-18 21:11:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-11-18 21:11:19,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-11-18 21:11:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-11-18 21:11:19,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-11-18 21:11:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 21:11:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-11-18 21:11:19,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-11-18 21:11:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-11-18 21:11:19,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-11-18 21:11:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-11-18 21:11:19,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-11-18 21:11:19,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 21:11:19,924 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-11-18 21:11:19,924 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-11-18 21:11:19,924 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-11-18 21:11:19,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-11-18 21:11:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2022-11-18 21:11:19,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2022-11-18 21:11:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-11-18 21:11:19,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-11-18 21:11:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-11-18 21:11:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-11-18 21:11:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-11-18 21:11:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-11-18 21:11:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 21:11:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 21:11:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-11-18 21:11:19,927 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-11-18 21:11:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-11-18 21:11:19,927 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-11-18 21:11:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2022-11-18 21:11:19,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2022-11-18 21:11:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2022-11-18 21:11:19,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2022-11-18 21:11:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 21:11:19,929 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 21:11:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 21:11:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 21:11:19,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 21:11:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-11-18 21:11:19,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-11-18 21:11:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-11-18 21:11:19,930 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-11-18 21:11:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-11-18 21:11:19,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-11-18 21:11:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2022-11-18 21:11:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2022-11-18 21:11:22,501 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 21:11:22,504 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 21:12:30,481 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:12:30,538 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:12:30,539 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 21:12:30,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:12:30 BoogieIcfgContainer [2022-11-18 21:12:30,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:12:30,557 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 21:12:30,557 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 21:12:30,562 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 21:12:30,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:11:13" (1/3) ... [2022-11-18 21:12:30,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@521e5fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:12:30, skipping insertion in model container [2022-11-18 21:12:30,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:11:15" (2/3) ... [2022-11-18 21:12:30,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@521e5fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:12:30, skipping insertion in model container [2022-11-18 21:12:30,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:12:30" (3/3) ... [2022-11-18 21:12:30,568 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_aso.1.M4-1.c [2022-11-18 21:12:30,590 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 21:12:30,591 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 21:12:30,997 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 21:12:31,005 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;@dbaa93f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 21:12:31,006 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 21:12:31,047 INFO L276 IsEmpty]: Start isEmpty. Operand has 12640 states, 8209 states have (on average 1.3097819466439273) internal successors, (10752), 8321 states have internal predecessors, (10752), 4408 states have call successors, (4408), 21 states have call predecessors, (4408), 21 states have return successors, (4408), 4406 states have call predecessors, (4408), 4408 states have call successors, (4408) [2022-11-18 21:12:31,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5901 [2022-11-18 21:12:31,774 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:12:31,779 INFO L195 NwaCegarLoop]: trace histogram [551, 551, 551, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:12:31,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:12:31,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1738140415, now seen corresponding path program 1 times [2022-11-18 21:12:31,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:12:31,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248077821] [2022-11-18 21:12:31,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:12:31,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms