./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b78b67f-b919-477c-835e-ac5fef251963/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b78b67f-b919-477c-835e-ac5fef251963/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b78b67f-b919-477c-835e-ac5fef251963/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b78b67f-b919-477c-835e-ac5fef251963/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b78b67f-b919-477c-835e-ac5fef251963/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b78b67f-b919-477c-835e-ac5fef251963/bin/uautomizer-DrprNOufMa --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 e618ac7f0d0fe46c0d3664cb960f19d8e01e350788161634161d0a95f103189d --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:18:01,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:18:01,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:18:01,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:18:01,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:18:01,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:18:01,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:18:01,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:18:01,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:18:01,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:18:01,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:18:01,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:18:01,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:18:01,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:18:01,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:18:01,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:18:01,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:18:01,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:18:01,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:18:01,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:18:01,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:18:01,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:18:01,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:18:01,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:18:01,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:18:01,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:18:01,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:18:01,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:18:01,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:18:01,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:18:01,906 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:18:01,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:18:01,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:18:01,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:18:01,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:18:01,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:18:01,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:18:01,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:18:01,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:18:01,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:18:01,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:18:01,911 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b78b67f-b919-477c-835e-ac5fef251963/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 23:18:01,933 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:18:01,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:18:01,933 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:18:01,934 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:18:01,934 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 23:18:01,934 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 23:18:01,935 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:18:01,935 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:18:01,935 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:18:01,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:18:01,935 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 23:18:01,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:18:01,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 23:18:01,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:18:01,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 23:18:01,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 23:18:01,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 23:18:01,936 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 23:18:01,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:18:01,936 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:18:01,937 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 23:18:01,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:18:01,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:18:01,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 23:18:01,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:18:01,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:18:01,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 23:18:01,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 23:18:01,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:18:01,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 23:18:01,938 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 23:18:01,938 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 23:18:01,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 23:18:01,938 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:18:01,938 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_4b78b67f-b919-477c-835e-ac5fef251963/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b78b67f-b919-477c-835e-ac5fef251963/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e618ac7f0d0fe46c0d3664cb960f19d8e01e350788161634161d0a95f103189d [2021-12-06 23:18:02,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:18:02,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:18:02,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:18:02,150 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:18:02,151 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:18:02,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b78b67f-b919-477c-835e-ac5fef251963/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.c [2021-12-06 23:18:02,191 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b78b67f-b919-477c-835e-ac5fef251963/bin/uautomizer-DrprNOufMa/data/2b959c8d8/838cfefab89b41f380871278d5ff5402/FLAG9ef56c6f9 [2021-12-06 23:18:02,656 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:18:02,657 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b78b67f-b919-477c-835e-ac5fef251963/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.c [2021-12-06 23:18:02,670 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b78b67f-b919-477c-835e-ac5fef251963/bin/uautomizer-DrprNOufMa/data/2b959c8d8/838cfefab89b41f380871278d5ff5402/FLAG9ef56c6f9 [2021-12-06 23:18:02,681 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b78b67f-b919-477c-835e-ac5fef251963/bin/uautomizer-DrprNOufMa/data/2b959c8d8/838cfefab89b41f380871278d5ff5402 [2021-12-06 23:18:02,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:18:02,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:18:02,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:18:02,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:18:02,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:18:02,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:18:02" (1/1) ... [2021-12-06 23:18:02,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1692e1d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:18:02, skipping insertion in model container [2021-12-06 23:18:02,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:18:02" (1/1) ... [2021-12-06 23:18:02,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:18:02,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:18:02,873 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b78b67f-b919-477c-835e-ac5fef251963/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.c[2055,2068] [2021-12-06 23:18:03,069 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:18:03,079 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:18:03,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b78b67f-b919-477c-835e-ac5fef251963/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M1-2.c[2055,2068] [2021-12-06 23:18:03,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:18:03,231 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:18:03,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:18:03 WrapperNode [2021-12-06 23:18:03,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:18:03,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:18:03,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:18:03,232 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:18:03,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:18:03" (1/1) ... [2021-12-06 23:18:03,276 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:18:03" (1/1) ... [2021-12-06 23:18:03,364 INFO L137 Inliner]: procedures = 62, calls = 2058, calls flagged for inlining = 21, calls inlined = 21, statements flattened = 4377 [2021-12-06 23:18:03,364 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:18:03,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:18:03,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:18:03,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:18:03,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:18:03" (1/1) ... [2021-12-06 23:18:03,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:18:03" (1/1) ... [2021-12-06 23:18:03,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:18:03" (1/1) ... [2021-12-06 23:18:03,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:18:03" (1/1) ... [2021-12-06 23:18:03,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:18:03" (1/1) ... [2021-12-06 23:18:03,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:18:03" (1/1) ... [2021-12-06 23:18:03,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:18:03" (1/1) ... [2021-12-06 23:18:03,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:18:03,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:18:03,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:18:03,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:18:03,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:18:03" (1/1) ... [2021-12-06 23:18:03,506 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:18:03,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b78b67f-b919-477c-835e-ac5fef251963/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:18:03,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b78b67f-b919-477c-835e-ac5fef251963/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 23:18:03,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b78b67f-b919-477c-835e-ac5fef251963/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 23:18:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 23:18:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2021-12-06 23:18:03,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2021-12-06 23:18:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2021-12-06 23:18:03,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2021-12-06 23:18:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2021-12-06 23:18:03,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2021-12-06 23:18:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 23:18:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2021-12-06 23:18:03,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2021-12-06 23:18:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2021-12-06 23:18:03,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2021-12-06 23:18:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2021-12-06 23:18:03,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2021-12-06 23:18:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 23:18:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2021-12-06 23:18:03,565 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2021-12-06 23:18:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2021-12-06 23:18:03,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2021-12-06 23:18:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2021-12-06 23:18:03,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2021-12-06 23:18:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2021-12-06 23:18:03,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2021-12-06 23:18:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2021-12-06 23:18:03,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2021-12-06 23:18:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2021-12-06 23:18:03,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2021-12-06 23:18:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 23:18:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 23:18:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-12-06 23:18:03,566 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-12-06 23:18:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2021-12-06 23:18:03,566 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2021-12-06 23:18:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2021-12-06 23:18:03,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2021-12-06 23:18:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2021-12-06 23:18:03,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2021-12-06 23:18:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 23:18:03,567 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 23:18:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 23:18:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:18:03,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:18:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2021-12-06 23:18:03,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2021-12-06 23:18:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2021-12-06 23:18:03,568 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2021-12-06 23:18:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2021-12-06 23:18:03,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2021-12-06 23:18:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2021-12-06 23:18:03,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2021-12-06 23:18:03,860 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:18:03,861 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:18:09,951 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:18:09,966 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:18:09,966 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 23:18:09,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:18:09 BoogieIcfgContainer [2021-12-06 23:18:09,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:18:09,970 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 23:18:09,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 23:18:09,973 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 23:18:09,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 11:18:02" (1/3) ... [2021-12-06 23:18:09,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5398394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:18:09, skipping insertion in model container [2021-12-06 23:18:09,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:18:03" (2/3) ... [2021-12-06 23:18:09,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5398394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:18:09, skipping insertion in model container [2021-12-06 23:18:09,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:18:09" (3/3) ... [2021-12-06 23:18:09,975 INFO L111 eAbstractionObserver]: Analyzing ICFG rekcba_aso.1.M1-2.c [2021-12-06 23:18:09,979 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 23:18:09,979 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 23:18:10,027 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 23:18:10,034 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 23:18:10,035 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 23:18:10,076 INFO L276 IsEmpty]: Start isEmpty. Operand has 1363 states, 859 states have (on average 1.2747380675203726) internal successors, (1095), 890 states have internal predecessors, (1095), 481 states have call successors, (481), 21 states have call predecessors, (481), 21 states have return successors, (481), 479 states have call predecessors, (481), 481 states have call successors, (481) [2021-12-06 23:18:10,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1035 [2021-12-06 23:18:10,132 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:18:10,133 INFO L514 BasicCegarLoop]: trace histogram [137, 137, 137, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:18:10,134 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:18:10,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:18:10,138 INFO L85 PathProgramCache]: Analyzing trace with hash -136158561, now seen corresponding path program 1 times [2021-12-06 23:18:10,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:18:10,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076527412] [2021-12-06 23:18:10,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:18:10,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms