./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4204492-da74-426f-bdbb-f478722f491b/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4204492-da74-426f-bdbb-f478722f491b/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4204492-da74-426f-bdbb-f478722f491b/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4204492-da74-426f-bdbb-f478722f491b/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4204492-da74-426f-bdbb-f478722f491b/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4204492-da74-426f-bdbb-f478722f491b/bin/uautomizer-ug76WZFUDN --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 88c381f80ede07771f395015e897371ba8d778e07b9cc24c64e290568f2e97f7 --- 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-6b4ec56 [2022-11-20 09:27:34,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:27:34,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:27:34,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:27:34,274 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:27:34,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:27:34,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:27:34,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:27:34,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:27:34,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:27:34,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:27:34,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:27:34,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:27:34,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:27:34,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:27:34,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:27:34,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:27:34,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:27:34,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:27:34,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:27:34,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:27:34,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:27:34,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:27:34,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:27:34,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:27:34,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:27:34,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:27:34,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:27:34,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:27:34,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:27:34,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:27:34,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:27:34,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:27:34,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:27:34,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:27:34,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:27:34,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:27:34,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:27:34,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:27:34,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:27:34,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:27:34,330 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4204492-da74-426f-bdbb-f478722f491b/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 09:27:34,373 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:27:34,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:27:34,377 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:27:34,377 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:27:34,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:27:34,378 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:27:34,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:27:34,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:27:34,380 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:27:34,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:27:34,381 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 09:27:34,382 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:27:34,382 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 09:27:34,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:27:34,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:27:34,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:27:34,383 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:27:34,383 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 09:27:34,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:27:34,383 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:27:34,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:27:34,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:27:34,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:27:34,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:27:34,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:27:34,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:27:34,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:27:34,385 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:27:34,386 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:27:34,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:27:34,387 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:27:34,387 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:27:34,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:27:34,388 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_a4204492-da74-426f-bdbb-f478722f491b/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4204492-da74-426f-bdbb-f478722f491b/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88c381f80ede07771f395015e897371ba8d778e07b9cc24c64e290568f2e97f7 [2022-11-20 09:27:34,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:27:34,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:27:34,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:27:34,776 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:27:34,777 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:27:34,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4204492-da74-426f-bdbb-f478722f491b/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M4.c [2022-11-20 09:27:38,056 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:27:38,502 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:27:38,503 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4204492-da74-426f-bdbb-f478722f491b/sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M4.c [2022-11-20 09:27:38,541 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4204492-da74-426f-bdbb-f478722f491b/bin/uautomizer-ug76WZFUDN/data/fc73c8146/efe3f8bfa4434922a7ec84e39fb9715a/FLAGa9b661234 [2022-11-20 09:27:38,559 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4204492-da74-426f-bdbb-f478722f491b/bin/uautomizer-ug76WZFUDN/data/fc73c8146/efe3f8bfa4434922a7ec84e39fb9715a [2022-11-20 09:27:38,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:27:38,564 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:27:38,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:27:38,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:27:38,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:27:38,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:38" (1/1) ... [2022-11-20 09:27:38,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c7759f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:38, skipping insertion in model container [2022-11-20 09:27:38,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:27:38" (1/1) ... [2022-11-20 09:27:38,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:27:38,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:27:38,921 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_a4204492-da74-426f-bdbb-f478722f491b/sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M4.c[1806,1819] [2022-11-20 09:27:39,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:27:39,624 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:27:39,640 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_a4204492-da74-426f-bdbb-f478722f491b/sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M4.c[1806,1819] [2022-11-20 09:27:40,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:27:40,043 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:27:40,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:40 WrapperNode [2022-11-20 09:27:40,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:27:40,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:27:40,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:27:40,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:27:40,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:40" (1/1) ... [2022-11-20 09:27:40,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:40" (1/1) ... [2022-11-20 09:27:40,510 INFO L138 Inliner]: procedures = 70, calls = 5239, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 9786 [2022-11-20 09:27:40,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:27:40,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:27:40,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:27:40,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:27:40,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:40" (1/1) ... [2022-11-20 09:27:40,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:40" (1/1) ... [2022-11-20 09:27:40,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:40" (1/1) ... [2022-11-20 09:27:40,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:40" (1/1) ... [2022-11-20 09:27:40,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:40" (1/1) ... [2022-11-20 09:27:40,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:40" (1/1) ... [2022-11-20 09:27:40,993 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:40" (1/1) ... [2022-11-20 09:27:41,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:40" (1/1) ... [2022-11-20 09:27:41,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:27:41,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:27:41,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:27:41,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:27:41,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:40" (1/1) ... [2022-11-20 09:27:41,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:27:41,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4204492-da74-426f-bdbb-f478722f491b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:27:41,175 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4204492-da74-426f-bdbb-f478722f491b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:27:41,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4204492-da74-426f-bdbb-f478722f491b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:27:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:27:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2022-11-20 09:27:41,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2022-11-20 09:27:41,236 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-11-20 09:27:41,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-11-20 09:27:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-11-20 09:27:41,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-11-20 09:27:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 09:27:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-11-20 09:27:41,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-11-20 09:27:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-11-20 09:27:41,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-11-20 09:27:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-11-20 09:27:41,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-11-20 09:27:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-11-20 09:27:41,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-11-20 09:27:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 09:27:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-11-20 09:27:41,239 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-11-20 09:27:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_version [2022-11-20 09:27:41,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_version [2022-11-20 09:27:41,239 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-11-20 09:27:41,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-11-20 09:27:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2022-11-20 09:27:41,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2022-11-20 09:27:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-11-20 09:27:41,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-11-20 09:27:41,240 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-11-20 09:27:41,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-11-20 09:27:41,241 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_version [2022-11-20 09:27:41,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_version [2022-11-20 09:27:41,242 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-11-20 09:27:41,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-11-20 09:27:41,243 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-11-20 09:27:41,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-11-20 09:27:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 09:27:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2022-11-20 09:27:41,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2022-11-20 09:27:41,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 09:27:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-11-20 09:27:41,245 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-11-20 09:27:41,245 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-11-20 09:27:41,245 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-11-20 09:27:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2022-11-20 09:27:41,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2022-11-20 09:27:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2022-11-20 09:27:41,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2022-11-20 09:27:41,246 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 09:27:41,246 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 09:27:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 09:27:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:27:41,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:27:41,247 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-11-20 09:27:41,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-11-20 09:27:41,248 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-11-20 09:27:41,248 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-11-20 09:27:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-11-20 09:27:41,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-11-20 09:27:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2022-11-20 09:27:41,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2022-11-20 09:27:42,257 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:27:42,259 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:27:59,223 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:27:59,247 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:27:59,247 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 09:27:59,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:59 BoogieIcfgContainer [2022-11-20 09:27:59,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:27:59,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:27:59,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:27:59,260 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:27:59,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:27:38" (1/3) ... [2022-11-20 09:27:59,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ef4646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:27:59, skipping insertion in model container [2022-11-20 09:27:59,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:27:40" (2/3) ... [2022-11-20 09:27:59,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ef4646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:27:59, skipping insertion in model container [2022-11-20 09:27:59,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:27:59" (3/3) ... [2022-11-20 09:27:59,264 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_aso.3.M4.c [2022-11-20 09:27:59,287 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:27:59,287 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 09:27:59,422 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:27:59,430 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;@4538b50c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:27:59,431 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 09:27:59,455 INFO L276 IsEmpty]: Start isEmpty. Operand has 3589 states, 2050 states have (on average 1.1653658536585365) internal successors, (2389), 2055 states have internal predecessors, (2389), 1511 states have call successors, (1511), 26 states have call predecessors, (1511), 26 states have return successors, (1511), 1509 states have call predecessors, (1511), 1511 states have call successors, (1511) [2022-11-20 09:27:59,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1379 [2022-11-20 09:27:59,646 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:27:59,648 INFO L195 NwaCegarLoop]: 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, 1, 1] [2022-11-20 09:27:59,649 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:27:59,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:27:59,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1434617797, now seen corresponding path program 1 times [2022-11-20 09:27:59,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:27:59,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297289656] [2022-11-20 09:27:59,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:27:59,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms