./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_3f86f2ab-8745-461f-97af-3e4a5d8f3dba/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f86f2ab-8745-461f-97af-3e4a5d8f3dba/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f86f2ab-8745-461f-97af-3e4a5d8f3dba/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f86f2ab-8745-461f-97af-3e4a5d8f3dba/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f86f2ab-8745-461f-97af-3e4a5d8f3dba/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f86f2ab-8745-461f-97af-3e4a5d8f3dba/bin/uautomizer-vX5HgA9Q3a --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 90b68e26a5af3ce5617cd52d8dc6ef78c48b8482383cda056e3d7235d8bf007f --- 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-b5237d8 [2022-11-21 17:02:49,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:02:49,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:02:49,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:02:49,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:02:49,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:02:49,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:02:49,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:02:49,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:02:49,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:02:49,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:02:49,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:02:49,103 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:02:49,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:02:49,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:02:49,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:02:49,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:02:49,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:02:49,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:02:49,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:02:49,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:02:49,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:02:49,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:02:49,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:02:49,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:02:49,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:02:49,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:02:49,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:02:49,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:02:49,144 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:02:49,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:02:49,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:02:49,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:02:49,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:02:49,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:02:49,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:02:49,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:02:49,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:02:49,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:02:49,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:02:49,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:02:49,157 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f86f2ab-8745-461f-97af-3e4a5d8f3dba/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-21 17:02:49,196 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:02:49,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:02:49,201 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:02:49,201 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:02:49,202 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:02:49,203 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:02:49,203 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:02:49,204 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:02:49,204 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:02:49,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:02:49,206 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 17:02:49,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:02:49,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 17:02:49,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:02:49,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:02:49,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:02:49,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:02:49,207 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 17:02:49,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:02:49,208 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:02:49,208 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:02:49,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:02:49,208 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:02:49,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:02:49,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:02:49,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:02:49,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:02:49,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:02:49,210 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:02:49,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:02:49,211 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:02:49,211 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:02:49,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:02:49,211 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_3f86f2ab-8745-461f-97af-3e4a5d8f3dba/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f86f2ab-8745-461f-97af-3e4a5d8f3dba/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90b68e26a5af3ce5617cd52d8dc6ef78c48b8482383cda056e3d7235d8bf007f [2022-11-21 17:02:49,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:02:49,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:02:49,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:02:49,521 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:02:49,521 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:02:49,522 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f86f2ab-8745-461f-97af-3e4a5d8f3dba/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M1.c [2022-11-21 17:02:52,606 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:02:53,076 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:02:53,077 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f86f2ab-8745-461f-97af-3e4a5d8f3dba/sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M1.c [2022-11-21 17:02:53,115 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f86f2ab-8745-461f-97af-3e4a5d8f3dba/bin/uautomizer-vX5HgA9Q3a/data/78d07e619/497672af5d064a8bb5865c66c619095d/FLAG061531fd6 [2022-11-21 17:02:53,135 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f86f2ab-8745-461f-97af-3e4a5d8f3dba/bin/uautomizer-vX5HgA9Q3a/data/78d07e619/497672af5d064a8bb5865c66c619095d [2022-11-21 17:02:53,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:02:53,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:02:53,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:02:53,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:02:53,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:02:53,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:02:53" (1/1) ... [2022-11-21 17:02:53,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@686e019a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:02:53, skipping insertion in model container [2022-11-21 17:02:53,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:02:53" (1/1) ... [2022-11-21 17:02:53,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:02:53,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:02:53,500 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_3f86f2ab-8745-461f-97af-3e4a5d8f3dba/sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M1.c[1806,1819] [2022-11-21 17:02:54,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:02:54,240 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:02:54,267 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_3f86f2ab-8745-461f-97af-3e4a5d8f3dba/sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M1.c[1806,1819] [2022-11-21 17:02:54,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:02:54,774 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:02:54,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:02:54 WrapperNode [2022-11-21 17:02:54,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:02:54,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:02:54,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:02:54,777 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:02:54,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:02:54" (1/1) ... [2022-11-21 17:02:54,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:02:54" (1/1) ... [2022-11-21 17:02:55,309 INFO L138 Inliner]: procedures = 70, calls = 5190, calls flagged for inlining = 25, calls inlined = 25, statements flattened = 9710 [2022-11-21 17:02:55,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:02:55,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:02:55,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:02:55,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:02:55,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:02:54" (1/1) ... [2022-11-21 17:02:55,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:02:54" (1/1) ... [2022-11-21 17:02:55,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:02:54" (1/1) ... [2022-11-21 17:02:55,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:02:54" (1/1) ... [2022-11-21 17:02:55,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:02:54" (1/1) ... [2022-11-21 17:02:55,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:02:54" (1/1) ... [2022-11-21 17:02:55,752 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:02:54" (1/1) ... [2022-11-21 17:02:55,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:02:54" (1/1) ... [2022-11-21 17:02:55,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:02:55,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:02:55,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:02:55,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:02:55,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:02:54" (1/1) ... [2022-11-21 17:02:55,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:02:55,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f86f2ab-8745-461f-97af-3e4a5d8f3dba/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:02:55,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f86f2ab-8745-461f-97af-3e4a5d8f3dba/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:02:55,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f86f2ab-8745-461f-97af-3e4a5d8f3dba/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:02:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:02:55,880 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2022-11-21 17:02:55,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2022-11-21 17:02:55,880 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2022-11-21 17:02:55,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2022-11-21 17:02:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2022-11-21 17:02:55,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2022-11-21 17:02:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 17:02:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2022-11-21 17:02:55,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2022-11-21 17:02:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2022-11-21 17:02:55,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2022-11-21 17:02:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2022-11-21 17:02:55,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2022-11-21 17:02:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2022-11-21 17:02:55,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2022-11-21 17:02:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 17:02:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2022-11-21 17:02:55,883 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2022-11-21 17:02:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_version [2022-11-21 17:02:55,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_version [2022-11-21 17:02:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2022-11-21 17:02:55,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2022-11-21 17:02:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2022-11-21 17:02:55,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2022-11-21 17:02:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2022-11-21 17:02:55,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2022-11-21 17:02:55,884 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-11-21 17:02:55,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2022-11-21 17:02:55,885 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_version [2022-11-21 17:02:55,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_version [2022-11-21 17:02:55,885 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-11-21 17:02:55,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2022-11-21 17:02:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-11-21 17:02:55,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2022-11-21 17:02:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 17:02:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 17:02:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-11-21 17:02:55,887 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-11-21 17:02:55,888 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2022-11-21 17:02:55,888 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2022-11-21 17:02:55,888 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2022-11-21 17:02:55,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2022-11-21 17:02:55,888 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2022-11-21 17:02:55,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2022-11-21 17:02:55,889 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 17:02:55,889 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 17:02:55,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:02:55,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:02:55,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:02:55,889 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2022-11-21 17:02:55,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2022-11-21 17:02:55,889 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2022-11-21 17:02:55,890 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2022-11-21 17:02:55,890 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2022-11-21 17:02:55,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2022-11-21 17:02:55,891 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2022-11-21 17:02:55,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2022-11-21 17:02:56,962 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:02:56,965 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:03:11,367 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:03:11,394 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:03:11,394 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 17:03:11,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:03:11 BoogieIcfgContainer [2022-11-21 17:03:11,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:03:11,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:03:11,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:03:11,406 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:03:11,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:02:53" (1/3) ... [2022-11-21 17:03:11,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5aa3b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:03:11, skipping insertion in model container [2022-11-21 17:03:11,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:02:54" (2/3) ... [2022-11-21 17:03:11,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5aa3b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:03:11, skipping insertion in model container [2022-11-21 17:03:11,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:03:11" (3/3) ... [2022-11-21 17:03:11,412 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_aso.3.M1.c [2022-11-21 17:03:11,432 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:03:11,432 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 17:03:11,573 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:03:11,579 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;@37922841, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:03:11,580 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 17:03:11,595 INFO L276 IsEmpty]: Start isEmpty. Operand has 3583 states, 2047 states have (on average 1.1656082071323888) internal successors, (2386), 2052 states have internal predecessors, (2386), 1509 states have call successors, (1509), 25 states have call predecessors, (1509), 25 states have return successors, (1509), 1507 states have call predecessors, (1509), 1509 states have call successors, (1509) [2022-11-21 17:03:11,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1377 [2022-11-21 17:03:11,707 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:03:11,711 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] [2022-11-21 17:03:11,711 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:03:11,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:03:11,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1031046555, now seen corresponding path program 1 times [2022-11-21 17:03:11,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:03:11,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759330786] [2022-11-21 17:03:11,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:03:11,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms