./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 436e6e57c04bd43264564f478c3aa92ec3799e6c36d71ae9bac6692f2873338f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:01:38,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:01:38,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:01:38,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:01:38,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:01:38,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:01:38,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:01:38,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:01:38,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:01:38,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:01:38,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:01:38,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:01:38,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:01:38,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:01:38,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:01:38,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:01:38,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:01:38,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:01:38,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:01:38,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:01:38,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:01:38,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:01:38,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:01:38,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:01:38,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:01:38,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:01:38,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:01:38,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:01:38,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:01:38,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:01:38,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:01:38,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:01:38,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:01:38,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:01:38,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:01:38,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:01:38,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:01:38,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:01:38,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:01:38,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:01:38,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:01:38,322 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:01:38,373 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:01:38,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:01:38,375 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:01:38,376 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:01:38,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:01:38,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:01:38,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:01:38,377 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:01:38,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:01:38,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:01:38,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:01:38,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:01:38,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:01:38,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:01:38,379 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:01:38,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:01:38,379 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:01:38,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:01:38,379 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:01:38,380 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:01:38,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:01:38,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:38,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:01:38,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:01:38,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:01:38,381 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:01:38,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:01:38,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:01:38,381 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_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 436e6e57c04bd43264564f478c3aa92ec3799e6c36d71ae9bac6692f2873338f [2021-11-23 15:01:38,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:01:38,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:01:38,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:01:38,693 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:01:38,694 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:01:38,696 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c [2021-11-23 15:01:38,772 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/data/32376ab71/89f8523aed2d42c7bcf881e4d01b036d/FLAG7978f7ccc [2021-11-23 15:01:39,482 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:01:39,484 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c [2021-11-23 15:01:39,517 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/data/32376ab71/89f8523aed2d42c7bcf881e4d01b036d/FLAG7978f7ccc [2021-11-23 15:01:39,587 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/data/32376ab71/89f8523aed2d42c7bcf881e4d01b036d [2021-11-23 15:01:39,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:01:39,592 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:01:39,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:39,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:01:39,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:01:39,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:39" (1/1) ... [2021-11-23 15:01:39,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7969f3cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:39, skipping insertion in model container [2021-11-23 15:01:39,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:39" (1/1) ... [2021-11-23 15:01:39,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:01:39,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:01:39,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c[1868,1881] [2021-11-23 15:01:40,453 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:40,473 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:01:40,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c[1868,1881] [2021-11-23 15:01:40,801 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:40,857 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:01:40,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40 WrapperNode [2021-11-23 15:01:40,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:40,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:40,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:01:40,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:01:40,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:40,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:41,275 INFO L137 Inliner]: procedures = 99, calls = 2906, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 8512 [2021-11-23 15:01:41,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:41,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:01:41,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:01:41,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:01:41,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:41,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:41,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:41,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:41,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:41,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:41,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:41,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:01:41,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:01:41,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:01:41,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:01:41,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:40" (1/1) ... [2021-11-23 15:01:41,860 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:41,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:01:41,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:01:41,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:01:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2021-11-23 15:01:41,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2021-11-23 15:01:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2021-11-23 15:01:41,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2021-11-23 15:01:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:01:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2021-11-23 15:01:41,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2021-11-23 15:01:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2021-11-23 15:01:41,941 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2021-11-23 15:01:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2021-11-23 15:01:41,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2021-11-23 15:01:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2021-11-23 15:01:41,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2021-11-23 15:01:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2021-11-23 15:01:41,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2021-11-23 15:01:41,942 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2021-11-23 15:01:41,942 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2021-11-23 15:01:41,942 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2021-11-23 15:01:41,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2021-11-23 15:01:41,943 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2021-11-23 15:01:41,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2021-11-23 15:01:41,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:01:41,943 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-11-23 15:01:41,943 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-11-23 15:01:41,943 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2021-11-23 15:01:41,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2021-11-23 15:01:41,944 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2021-11-23 15:01:41,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2021-11-23 15:01:41,944 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2021-11-23 15:01:41,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2021-11-23 15:01:41,944 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2021-11-23 15:01:41,944 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2021-11-23 15:01:41,945 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2021-11-23 15:01:41,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2021-11-23 15:01:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2021-11-23 15:01:41,946 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2021-11-23 15:01:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:01:41,946 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2021-11-23 15:01:41,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2021-11-23 15:01:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2021-11-23 15:01:41,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2021-11-23 15:01:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2021-11-23 15:01:41,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2021-11-23 15:01:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2021-11-23 15:01:41,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2021-11-23 15:01:41,947 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2021-11-23 15:01:41,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2021-11-23 15:01:41,948 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2021-11-23 15:01:41,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2021-11-23 15:01:41,949 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2021-11-23 15:01:41,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2021-11-23 15:01:41,949 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2021-11-23 15:01:41,949 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2021-11-23 15:01:41,949 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2021-11-23 15:01:41,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2021-11-23 15:01:41,949 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2021-11-23 15:01:41,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2021-11-23 15:01:41,950 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2021-11-23 15:01:41,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2021-11-23 15:01:41,951 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2021-11-23 15:01:41,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2021-11-23 15:01:41,952 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2021-11-23 15:01:41,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2021-11-23 15:01:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2021-11-23 15:01:41,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2021-11-23 15:01:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2021-11-23 15:01:41,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2021-11-23 15:01:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2021-11-23 15:01:41,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2021-11-23 15:01:41,953 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2021-11-23 15:01:41,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2021-11-23 15:01:41,954 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2021-11-23 15:01:41,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2021-11-23 15:01:41,954 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2021-11-23 15:01:41,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2021-11-23 15:01:41,954 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2021-11-23 15:01:41,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2021-11-23 15:01:41,954 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2021-11-23 15:01:41,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2021-11-23 15:01:41,955 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2021-11-23 15:01:41,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2021-11-23 15:01:41,955 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2021-11-23 15:01:41,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2021-11-23 15:01:41,955 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2021-11-23 15:01:41,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2021-11-23 15:01:41,956 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2021-11-23 15:01:41,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2021-11-23 15:01:41,956 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2021-11-23 15:01:41,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2021-11-23 15:01:41,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:01:41,956 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2021-11-23 15:01:41,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2021-11-23 15:01:41,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:01:41,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:01:42,681 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:01:42,685 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:09,818 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:10,032 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:03:10,044 INFO L158 Benchmark]: Toolchain (without parser) took 90449.99ms. Allocated memory was 94.4MB in the beginning and 348.1MB in the end (delta: 253.8MB). Free memory was 52.8MB in the beginning and 113.6MB in the end (delta: -60.7MB). Peak memory consumption was 225.3MB. Max. memory is 16.1GB. [2021-11-23 15:03:10,045 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 94.4MB. Free memory was 74.5MB in the beginning and 74.4MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:10,048 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1263.22ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 52.6MB in the beginning and 61.5MB in the end (delta: -8.9MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2021-11-23 15:03:10,049 INFO L158 Benchmark]: Boogie Procedure Inliner took 416.86ms. Allocated memory is still 115.3MB. Free memory was 61.5MB in the beginning and 46.8MB in the end (delta: 14.8MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2021-11-23 15:03:10,051 INFO L158 Benchmark]: Boogie Preprocessor took 573.22ms. Allocated memory was 115.3MB in the beginning and 192.9MB in the end (delta: 77.6MB). Free memory was 46.8MB in the beginning and 111.2MB in the end (delta: -64.4MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2021-11-23 15:03:10,053 INFO L158 Benchmark]: RCFGBuilder took 88190.03ms. Allocated memory was 192.9MB in the beginning and 348.1MB in the end (delta: 155.2MB). Free memory was 111.2MB in the beginning and 114.6MB in the end (delta: -3.4MB). Peak memory consumption was 188.4MB. Max. memory is 16.1GB. [2021-11-23 15:03:10,063 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 94.4MB. Free memory was 74.5MB in the beginning and 74.4MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1263.22ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 52.6MB in the beginning and 61.5MB in the end (delta: -8.9MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 416.86ms. Allocated memory is still 115.3MB. Free memory was 61.5MB in the beginning and 46.8MB in the end (delta: 14.8MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 573.22ms. Allocated memory was 115.3MB in the beginning and 192.9MB in the end (delta: 77.6MB). Free memory was 46.8MB in the beginning and 111.2MB in the end (delta: -64.4MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * RCFGBuilder took 88190.03ms. Allocated memory was 192.9MB in the beginning and 348.1MB in the end (delta: 155.2MB). Free memory was 111.2MB in the beginning and 114.6MB in the end (delta: -3.4MB). Peak memory consumption was 188.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:03:10,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 436e6e57c04bd43264564f478c3aa92ec3799e6c36d71ae9bac6692f2873338f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:12,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:12,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:12,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:12,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:12,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:12,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:12,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:12,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:12,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:12,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:12,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:12,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:12,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:12,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:12,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:12,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:12,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:12,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:12,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:12,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:12,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:12,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:12,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:12,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:12,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:12,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:12,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:12,641 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:12,642 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:12,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:12,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:12,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:12,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:12,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:12,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:12,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:12,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:12,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:12,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:12,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:12,667 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:03:12,714 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:12,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:12,716 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:12,716 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:12,718 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:12,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:12,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:12,719 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:03:12,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:03:12,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:12,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:12,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:12,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:12,722 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:03:12,722 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:03:12,722 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:03:12,722 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:03:12,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:12,723 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:12,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:12,723 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:12,723 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:12,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:12,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:12,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:12,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:12,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:12,725 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:03:12,725 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:03:12,725 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:12,726 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:03:12,726 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:03:12,726 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 436e6e57c04bd43264564f478c3aa92ec3799e6c36d71ae9bac6692f2873338f [2021-11-23 15:03:13,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:13,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:13,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:13,246 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:13,247 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:13,251 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c [2021-11-23 15:03:13,331 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/data/a8d2d215f/bf664f8d31b94d27a43ebce6eb3ef87d/FLAG62cbafce1 [2021-11-23 15:03:14,280 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:14,281 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c [2021-11-23 15:03:14,322 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/data/a8d2d215f/bf664f8d31b94d27a43ebce6eb3ef87d/FLAG62cbafce1 [2021-11-23 15:03:14,824 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/data/a8d2d215f/bf664f8d31b94d27a43ebce6eb3ef87d [2021-11-23 15:03:14,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:14,829 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:14,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:14,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:14,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:14,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:14" (1/1) ... [2021-11-23 15:03:14,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d7081b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:14, skipping insertion in model container [2021-11-23 15:03:14,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:14" (1/1) ... [2021-11-23 15:03:14,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:14,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:15,148 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c[1868,1881] [2021-11-23 15:03:15,937 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:15,979 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:15,995 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/sv-benchmarks/c/seq-mthreaded/rekh_ctm.4.c[1868,1881] [2021-11-23 15:03:16,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:16,470 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:16,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:16 WrapperNode [2021-11-23 15:03:16,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:16,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:16,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:16,473 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:16,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:16" (1/1) ... [2021-11-23 15:03:16,643 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:16" (1/1) ... [2021-11-23 15:03:16,993 INFO L137 Inliner]: procedures = 105, calls = 2906, calls flagged for inlining = 35, calls inlined = 35, statements flattened = 8422 [2021-11-23 15:03:16,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:16,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:16,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:16,995 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:17,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:16" (1/1) ... [2021-11-23 15:03:17,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:16" (1/1) ... [2021-11-23 15:03:17,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:16" (1/1) ... [2021-11-23 15:03:17,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:16" (1/1) ... [2021-11-23 15:03:17,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:16" (1/1) ... [2021-11-23 15:03:17,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:16" (1/1) ... [2021-11-23 15:03:17,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:16" (1/1) ... [2021-11-23 15:03:17,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:17,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:17,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:17,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:17,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:16" (1/1) ... [2021-11-23 15:03:17,492 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:17,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:17,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:17,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:17,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:03:17,569 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2021-11-23 15:03:17,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2021-11-23 15:03:17,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:03:17,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 15:03:17,570 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2021-11-23 15:03:17,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2021-11-23 15:03:17,570 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2021-11-23 15:03:17,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2021-11-23 15:03:17,572 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2021-11-23 15:03:17,572 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2021-11-23 15:03:17,572 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2021-11-23 15:03:17,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2021-11-23 15:03:17,572 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2021-11-23 15:03:17,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2021-11-23 15:03:17,573 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2021-11-23 15:03:17,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2021-11-23 15:03:17,573 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2021-11-23 15:03:17,573 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2021-11-23 15:03:17,573 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2021-11-23 15:03:17,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2021-11-23 15:03:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2021-11-23 15:03:17,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2021-11-23 15:03:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-11-23 15:03:17,574 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-11-23 15:03:17,574 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2021-11-23 15:03:17,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2021-11-23 15:03:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2021-11-23 15:03:17,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2021-11-23 15:03:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2021-11-23 15:03:17,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2021-11-23 15:03:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2021-11-23 15:03:17,575 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2021-11-23 15:03:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2021-11-23 15:03:17,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2021-11-23 15:03:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2021-11-23 15:03:17,576 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2021-11-23 15:03:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2021-11-23 15:03:17,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2021-11-23 15:03:17,577 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2021-11-23 15:03:17,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2021-11-23 15:03:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2021-11-23 15:03:17,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2021-11-23 15:03:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2021-11-23 15:03:17,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2021-11-23 15:03:17,578 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2021-11-23 15:03:17,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2021-11-23 15:03:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2021-11-23 15:03:17,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2021-11-23 15:03:17,579 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2021-11-23 15:03:17,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2021-11-23 15:03:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2021-11-23 15:03:17,580 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2021-11-23 15:03:17,580 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2021-11-23 15:03:17,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2021-11-23 15:03:17,581 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2021-11-23 15:03:17,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2021-11-23 15:03:17,582 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2021-11-23 15:03:17,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2021-11-23 15:03:17,582 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2021-11-23 15:03:17,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2021-11-23 15:03:17,582 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2021-11-23 15:03:17,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2021-11-23 15:03:17,583 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2021-11-23 15:03:17,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2021-11-23 15:03:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2021-11-23 15:03:17,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2021-11-23 15:03:17,584 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2021-11-23 15:03:17,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2021-11-23 15:03:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2021-11-23 15:03:17,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2021-11-23 15:03:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2021-11-23 15:03:17,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2021-11-23 15:03:17,585 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2021-11-23 15:03:17,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2021-11-23 15:03:17,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:03:17,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 15:03:17,586 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2021-11-23 15:03:17,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2021-11-23 15:03:17,586 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2021-11-23 15:03:17,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2021-11-23 15:03:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:03:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2021-11-23 15:03:17,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2021-11-23 15:03:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2021-11-23 15:03:17,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2021-11-23 15:03:17,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 15:03:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:03:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:03:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2021-11-23 15:03:17,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2021-11-23 15:03:17,588 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2021-11-23 15:03:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2021-11-23 15:03:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2021-11-23 15:03:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2021-11-23 15:03:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2021-11-23 15:03:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2021-11-23 15:03:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:18,401 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:18,405 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:46,273 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:46,589 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:03:46,597 INFO L158 Benchmark]: Toolchain (without parser) took 31766.18ms. Allocated memory was 60.8MB in the beginning and 442.5MB in the end (delta: 381.7MB). Free memory was 32.3MB in the beginning and 323.9MB in the end (delta: -291.6MB). Peak memory consumption was 317.5MB. Max. memory is 16.1GB. [2021-11-23 15:03:46,599 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory was 40.1MB in the beginning and 40.0MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:46,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1640.68ms. Allocated memory was 60.8MB in the beginning and 88.1MB in the end (delta: 27.3MB). Free memory was 32.1MB in the beginning and 34.6MB in the end (delta: -2.4MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:46,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 521.46ms. Allocated memory is still 88.1MB. Free memory was 34.2MB in the beginning and 31.6MB in the end (delta: 2.6MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2021-11-23 15:03:46,603 INFO L158 Benchmark]: Boogie Preprocessor took 487.93ms. Allocated memory was 88.1MB in the beginning and 148.9MB in the end (delta: 60.8MB). Free memory was 31.6MB in the beginning and 78.3MB in the end (delta: -46.7MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2021-11-23 15:03:46,604 INFO L158 Benchmark]: RCFGBuilder took 29110.06ms. Allocated memory was 148.9MB in the beginning and 442.5MB in the end (delta: 293.6MB). Free memory was 78.2MB in the beginning and 323.9MB in the end (delta: -245.7MB). Peak memory consumption was 274.4MB. Max. memory is 16.1GB. [2021-11-23 15:03:46,614 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 60.8MB. Free memory was 40.1MB in the beginning and 40.0MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1640.68ms. Allocated memory was 60.8MB in the beginning and 88.1MB in the end (delta: 27.3MB). Free memory was 32.1MB in the beginning and 34.6MB in the end (delta: -2.4MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 521.46ms. Allocated memory is still 88.1MB. Free memory was 34.2MB in the beginning and 31.6MB in the end (delta: 2.6MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 487.93ms. Allocated memory was 88.1MB in the beginning and 148.9MB in the end (delta: 60.8MB). Free memory was 31.6MB in the beginning and 78.3MB in the end (delta: -46.7MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. * RCFGBuilder took 29110.06ms. Allocated memory was 148.9MB in the beginning and 442.5MB in the end (delta: 293.6MB). Free memory was 78.2MB in the beginning and 323.9MB in the end (delta: -245.7MB). Peak memory consumption was 274.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:03:46,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c69cc215-8fc4-4660-8e1a-10a5b8a2699e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable