./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_aso.4.M1.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_110ed97f-bf76-4377-9f2f-aa334fbf1812/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110ed97f-bf76-4377-9f2f-aa334fbf1812/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_110ed97f-bf76-4377-9f2f-aa334fbf1812/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110ed97f-bf76-4377-9f2f-aa334fbf1812/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_aso.4.M1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110ed97f-bf76-4377-9f2f-aa334fbf1812/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_110ed97f-bf76-4377-9f2f-aa334fbf1812/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 efc4c52a722d63f9628a5791b5e97bc661a62d89deb074bdb4352c608e6a3dd1 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:03:58,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:03:58,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:03:58,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:03:58,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:03:58,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:03:58,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:03:58,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:03:58,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:03:58,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:03:58,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:03:58,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:03:58,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:03:58,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:03:58,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:03:58,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:03:58,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:03:58,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:03:58,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:03:58,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:03:58,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:03:58,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:03:58,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:03:58,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:03:58,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:03:58,111 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:03:58,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:03:58,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:03:58,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:03:58,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:03:58,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:03:58,114 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:03:58,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:03:58,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:03:58,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:03:58,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:03:58,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:03:58,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:03:58,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:03:58,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:03:58,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:03:58,119 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110ed97f-bf76-4377-9f2f-aa334fbf1812/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 23:03:58,139 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:03:58,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:03:58,140 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:03:58,140 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:03:58,140 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 23:03:58,140 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 23:03:58,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:03:58,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:03:58,141 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:03:58,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:03:58,141 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 23:03:58,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:03:58,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 23:03:58,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:03:58,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 23:03:58,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 23:03:58,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 23:03:58,142 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 23:03:58,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:03:58,142 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:03:58,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 23:03:58,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:03:58,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:03:58,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 23:03:58,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:03:58,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:03:58,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 23:03:58,143 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 23:03:58,144 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:03:58,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 23:03:58,144 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 23:03:58,144 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 23:03:58,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 23:03:58,144 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:03:58,144 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_110ed97f-bf76-4377-9f2f-aa334fbf1812/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110ed97f-bf76-4377-9f2f-aa334fbf1812/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efc4c52a722d63f9628a5791b5e97bc661a62d89deb074bdb4352c608e6a3dd1 [2021-12-06 23:03:58,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:03:58,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:03:58,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:03:58,369 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:03:58,370 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:03:58,371 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110ed97f-bf76-4377-9f2f-aa334fbf1812/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/seq-mthreaded/rekh_aso.4.M1.c [2021-12-06 23:03:58,421 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110ed97f-bf76-4377-9f2f-aa334fbf1812/bin/uautomizer-DrprNOufMa/data/37a7ffbad/59a2237d68974383848f1584861dae81/FLAGa05fa9ea2 [2021-12-06 23:03:58,908 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:03:58,908 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110ed97f-bf76-4377-9f2f-aa334fbf1812/sv-benchmarks/c/seq-mthreaded/rekh_aso.4.M1.c [2021-12-06 23:03:58,924 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110ed97f-bf76-4377-9f2f-aa334fbf1812/bin/uautomizer-DrprNOufMa/data/37a7ffbad/59a2237d68974383848f1584861dae81/FLAGa05fa9ea2 [2021-12-06 23:03:59,398 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110ed97f-bf76-4377-9f2f-aa334fbf1812/bin/uautomizer-DrprNOufMa/data/37a7ffbad/59a2237d68974383848f1584861dae81 [2021-12-06 23:03:59,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:03:59,401 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:03:59,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:03:59,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:03:59,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:03:59,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:03:59" (1/1) ... [2021-12-06 23:03:59,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73dd06dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:03:59, skipping insertion in model container [2021-12-06 23:03:59,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:03:59" (1/1) ... [2021-12-06 23:03:59,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:03:59,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:03:59,597 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_110ed97f-bf76-4377-9f2f-aa334fbf1812/sv-benchmarks/c/seq-mthreaded/rekh_aso.4.M1.c[1806,1819] [2021-12-06 23:03:59,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:03:59,950 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:03:59,960 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_110ed97f-bf76-4377-9f2f-aa334fbf1812/sv-benchmarks/c/seq-mthreaded/rekh_aso.4.M1.c[1806,1819] [2021-12-06 23:04:00,174 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:04:00,194 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:04:00,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:04:00 WrapperNode [2021-12-06 23:04:00,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:04:00,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:04:00,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:04:00,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:04:00,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:04:00" (1/1) ... [2021-12-06 23:04:00,253 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:04:00" (1/1) ... [2021-12-06 23:04:00,442 INFO L137 Inliner]: procedures = 70, calls = 5187, calls flagged for inlining = 27, calls inlined = 27, statements flattened = 9753 [2021-12-06 23:04:00,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:04:00,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:04:00,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:04:00,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:04:00,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:04:00" (1/1) ... [2021-12-06 23:04:00,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:04:00" (1/1) ... [2021-12-06 23:04:00,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:04:00" (1/1) ... [2021-12-06 23:04:00,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:04:00" (1/1) ... [2021-12-06 23:04:00,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:04:00" (1/1) ... [2021-12-06 23:04:00,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:04:00" (1/1) ... [2021-12-06 23:04:00,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:04:00" (1/1) ... [2021-12-06 23:04:00,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:04:00,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:04:00,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:04:00,715 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:04:00,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:04:00" (1/1) ... [2021-12-06 23:04:00,722 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:04:00,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110ed97f-bf76-4377-9f2f-aa334fbf1812/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:04:00,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110ed97f-bf76-4377-9f2f-aa334fbf1812/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 23:04:00,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_110ed97f-bf76-4377-9f2f-aa334fbf1812/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 23:04:00,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 23:04:00,793 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2021-12-06 23:04:00,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2021-12-06 23:04:00,793 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2021-12-06 23:04:00,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2021-12-06 23:04:00,793 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2021-12-06 23:04:00,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2021-12-06 23:04:00,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 23:04:00,794 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2021-12-06 23:04:00,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2021-12-06 23:04:00,794 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2021-12-06 23:04:00,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2021-12-06 23:04:00,794 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2021-12-06 23:04:00,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2021-12-06 23:04:00,794 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2021-12-06 23:04:00,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2021-12-06 23:04:00,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 23:04:00,794 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2021-12-06 23:04:00,795 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2021-12-06 23:04:00,795 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2021-12-06 23:04:00,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2021-12-06 23:04:00,795 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2021-12-06 23:04:00,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2021-12-06 23:04:00,795 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2021-12-06 23:04:00,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2021-12-06 23:04:00,795 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2021-12-06 23:04:00,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2021-12-06 23:04:00,796 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2021-12-06 23:04:00,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2021-12-06 23:04:00,796 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2021-12-06 23:04:00,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2021-12-06 23:04:00,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 23:04:00,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 23:04:00,796 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-12-06 23:04:00,796 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-12-06 23:04:00,796 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2021-12-06 23:04:00,797 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2021-12-06 23:04:00,797 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2021-12-06 23:04:00,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2021-12-06 23:04:00,797 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2021-12-06 23:04:00,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2021-12-06 23:04:00,797 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 23:04:00,798 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 23:04:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 23:04:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:04:00,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:04:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2021-12-06 23:04:00,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2021-12-06 23:04:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2021-12-06 23:04:00,798 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2021-12-06 23:04:00,799 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2021-12-06 23:04:00,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2021-12-06 23:04:00,799 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2021-12-06 23:04:00,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2021-12-06 23:04:01,265 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:04:01,268 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:04:10,967 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:04:10,989 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:04:10,989 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 23:04:10,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:04:10 BoogieIcfgContainer [2021-12-06 23:04:10,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:04:10,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 23:04:10,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 23:04:10,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 23:04:10,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 11:03:59" (1/3) ... [2021-12-06 23:04:10,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4767ae58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:04:10, skipping insertion in model container [2021-12-06 23:04:10,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:04:00" (2/3) ... [2021-12-06 23:04:10,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4767ae58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:04:10, skipping insertion in model container [2021-12-06 23:04:10,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:04:10" (3/3) ... [2021-12-06 23:04:11,000 INFO L111 eAbstractionObserver]: Analyzing ICFG rekh_aso.4.M1.c [2021-12-06 23:04:11,004 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 23:04:11,004 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 23:04:11,053 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 23:04:11,058 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 23:04:11,058 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 23:04:11,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 3570 states, 2041 states have (on average 1.1656050955414012) internal successors, (2379), 2045 states have internal predecessors, (2379), 1504 states have call successors, (1504), 23 states have call predecessors, (1504), 23 states have return successors, (1504), 1502 states have call predecessors, (1504), 1504 states have call successors, (1504) [2021-12-06 23:04:11,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1377 [2021-12-06 23:04:11,200 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:04:11,201 INFO L514 BasicCegarLoop]: trace histogram [210, 210, 210, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:04:11,202 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:04:11,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:04:11,208 INFO L85 PathProgramCache]: Analyzing trace with hash 328926396, now seen corresponding path program 1 times [2021-12-06 23:04:11,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:04:11,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011797127] [2021-12-06 23:04:11,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:04:11,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms