./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaee551-ca5f-48aa-9531-b91214d3ad7e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaee551-ca5f-48aa-9531-b91214d3ad7e/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaee551-ca5f-48aa-9531-b91214d3ad7e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaee551-ca5f-48aa-9531-b91214d3ad7e/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaee551-ca5f-48aa-9531-b91214d3ad7e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaee551-ca5f-48aa-9531-b91214d3ad7e/bin/uautomizer-uyxdKDjOR8 --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 0c11dfbc24d8e2936a0720b93d6e580e096b076c7149ef4cbc8369f1ef818941 --- 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-2329fc7 [2022-12-13 14:59:13,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:59:13,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:59:13,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:59:13,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:59:13,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:59:13,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:59:13,147 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:59:13,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:59:13,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:59:13,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:59:13,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:59:13,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:59:13,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:59:13,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:59:13,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:59:13,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:59:13,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:59:13,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:59:13,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:59:13,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:59:13,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:59:13,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:59:13,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:59:13,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:59:13,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:59:13,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:59:13,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:59:13,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:59:13,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:59:13,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:59:13,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:59:13,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:59:13,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:59:13,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:59:13,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:59:13,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:59:13,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:59:13,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:59:13,172 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:59:13,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:59:13,173 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaee551-ca5f-48aa-9531-b91214d3ad7e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 14:59:13,186 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:59:13,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:59:13,186 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:59:13,186 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:59:13,187 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:59:13,191 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:59:13,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:59:13,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:59:13,192 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:59:13,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:59:13,192 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 14:59:13,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:59:13,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 14:59:13,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:59:13,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:59:13,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:59:13,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:59:13,193 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 14:59:13,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:59:13,193 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:59:13,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:59:13,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:59:13,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:59:13,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:59:13,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:59:13,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:59:13,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:59:13,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:59:13,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:59:13,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:59:13,195 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:59:13,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:59:13,195 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:59:13,195 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:59:13,195 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:59:13,196 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaee551-ca5f-48aa-9531-b91214d3ad7e/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaee551-ca5f-48aa-9531-b91214d3ad7e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c11dfbc24d8e2936a0720b93d6e580e096b076c7149ef4cbc8369f1ef818941 [2022-12-13 14:59:13,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:59:13,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:59:13,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:59:13,385 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:59:13,385 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:59:13,386 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaee551-ca5f-48aa-9531-b91214d3ad7e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-1.c [2022-12-13 14:59:16,033 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:59:16,308 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:59:16,308 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaee551-ca5f-48aa-9531-b91214d3ad7e/sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-1.c [2022-12-13 14:59:16,329 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaee551-ca5f-48aa-9531-b91214d3ad7e/bin/uautomizer-uyxdKDjOR8/data/c105b22f6/dfed82d00f2e4ed683ff5cfdc3bd272e/FLAG6e84962c1 [2022-12-13 14:59:16,343 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaee551-ca5f-48aa-9531-b91214d3ad7e/bin/uautomizer-uyxdKDjOR8/data/c105b22f6/dfed82d00f2e4ed683ff5cfdc3bd272e [2022-12-13 14:59:16,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:59:16,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:59:16,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:59:16,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:59:16,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:59:16,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:59:16" (1/1) ... [2022-12-13 14:59:16,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66410b53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:16, skipping insertion in model container [2022-12-13 14:59:16,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:59:16" (1/1) ... [2022-12-13 14:59:16,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:59:16,421 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:59:16,586 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaee551-ca5f-48aa-9531-b91214d3ad7e/sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-1.c[1870,1883] [2022-12-13 14:59:16,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:59:16,945 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:59:16,955 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaee551-ca5f-48aa-9531-b91214d3ad7e/sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-1.c[1870,1883] [2022-12-13 14:59:17,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:59:17,121 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:59:17,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:17 WrapperNode [2022-12-13 14:59:17,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:59:17,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:59:17,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:59:17,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:59:17,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:17" (1/1) ... [2022-12-13 14:59:17,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:17" (1/1) ... [2022-12-13 14:59:17,300 INFO L138 Inliner]: procedures = 99, calls = 2816, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 8376 [2022-12-13 14:59:17,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:59:17,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:59:17,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:59:17,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:59:17,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:17" (1/1) ... [2022-12-13 14:59:17,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:17" (1/1) ... [2022-12-13 14:59:17,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:17" (1/1) ... [2022-12-13 14:59:17,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:17" (1/1) ... [2022-12-13 14:59:17,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:17" (1/1) ... [2022-12-13 14:59:17,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:17" (1/1) ... [2022-12-13 14:59:17,466 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:17" (1/1) ... [2022-12-13 14:59:17,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:17" (1/1) ... [2022-12-13 14:59:17,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:59:17,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:59:17,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:59:17,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:59:17,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:17" (1/1) ... [2022-12-13 14:59:17,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:59:17,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaee551-ca5f-48aa-9531-b91214d3ad7e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:59:17,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaee551-ca5f-48aa-9531-b91214d3ad7e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:59:17,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaaee551-ca5f-48aa-9531-b91214d3ad7e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:59:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2022-12-13 14:59:17,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2022-12-13 14:59:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2022-12-13 14:59:17,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2022-12-13 14:59:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 14:59:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2022-12-13 14:59:17,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2022-12-13 14:59:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-12-13 14:59:17,577 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-12-13 14:59:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-12-13 14:59:17,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-12-13 14:59:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2022-12-13 14:59:17,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2022-12-13 14:59:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2022-12-13 14:59:17,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2022-12-13 14:59:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2022-12-13 14:59:17,578 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2022-12-13 14:59:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2022-12-13 14:59:17,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2022-12-13 14:59:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2022-12-13 14:59:17,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2022-12-13 14:59:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 14:59:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-12-13 14:59:17,578 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-12-13 14:59:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2022-12-13 14:59:17,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2022-12-13 14:59:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2022-12-13 14:59:17,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2022-12-13 14:59:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2022-12-13 14:59:17,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2022-12-13 14:59:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2022-12-13 14:59:17,579 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2022-12-13 14:59:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2022-12-13 14:59:17,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2022-12-13 14:59:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-12-13 14:59:17,579 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-12-13 14:59:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:59:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-12-13 14:59:17,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-12-13 14:59:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2022-12-13 14:59:17,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2022-12-13 14:59:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2022-12-13 14:59:17,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2022-12-13 14:59:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2022-12-13 14:59:17,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2022-12-13 14:59:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-12-13 14:59:17,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-12-13 14:59:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2022-12-13 14:59:17,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2022-12-13 14:59:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-12-13 14:59:17,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-12-13 14:59:17,581 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2022-12-13 14:59:17,581 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2022-12-13 14:59:17,581 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2022-12-13 14:59:17,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2022-12-13 14:59:17,581 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-12-13 14:59:17,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-12-13 14:59:17,581 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2022-12-13 14:59:17,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2022-12-13 14:59:17,581 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2022-12-13 14:59:17,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2022-12-13 14:59:17,582 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2022-12-13 14:59:17,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2022-12-13 14:59:17,582 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2022-12-13 14:59:17,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2022-12-13 14:59:17,582 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2022-12-13 14:59:17,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2022-12-13 14:59:17,582 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2022-12-13 14:59:17,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2022-12-13 14:59:17,582 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2022-12-13 14:59:17,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2022-12-13 14:59:17,582 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2022-12-13 14:59:17,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2022-12-13 14:59:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2022-12-13 14:59:17,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2022-12-13 14:59:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2022-12-13 14:59:17,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2022-12-13 14:59:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2022-12-13 14:59:17,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2022-12-13 14:59:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2022-12-13 14:59:17,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2022-12-13 14:59:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2022-12-13 14:59:17,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2022-12-13 14:59:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2022-12-13 14:59:17,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2022-12-13 14:59:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2022-12-13 14:59:17,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2022-12-13 14:59:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2022-12-13 14:59:17,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2022-12-13 14:59:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:59:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2022-12-13 14:59:17,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2022-12-13 14:59:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:59:17,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:59:17,954 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:59:17,956 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:59:34,822 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:59:34,837 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:59:34,837 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 14:59:34,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:59:34 BoogieIcfgContainer [2022-12-13 14:59:34,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:59:34,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:59:34,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:59:34,845 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:59:34,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:59:16" (1/3) ... [2022-12-13 14:59:34,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e891bc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:59:34, skipping insertion in model container [2022-12-13 14:59:34,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:59:17" (2/3) ... [2022-12-13 14:59:34,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e891bc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:59:34, skipping insertion in model container [2022-12-13 14:59:34,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:59:34" (3/3) ... [2022-12-13 14:59:34,848 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_ctm.3-1.c [2022-12-13 14:59:34,862 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:59:34,862 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 14:59:34,938 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:59:34,944 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;@73ec89ea, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:59:34,944 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 14:59:34,954 INFO L276 IsEmpty]: Start isEmpty. Operand has 2465 states, 2113 states have (on average 1.4803596781826787) internal successors, (3128), 2137 states have internal predecessors, (3128), 306 states have call successors, (306), 44 states have call predecessors, (306), 44 states have return successors, (306), 296 states have call predecessors, (306), 306 states have call successors, (306) [2022-12-13 14:59:34,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-12-13 14:59:34,978 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 14:59:34,979 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:59:34,980 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 14:59:34,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:59:34,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1381223433, now seen corresponding path program 1 times [2022-12-13 14:59:34,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:59:34,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323866654] [2022-12-13 14:59:34,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:59:34,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms