./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.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_18f3c072-a77a-41cd-a159-7ef82935fae9/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3c072-a77a-41cd-a159-7ef82935fae9/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_18f3c072-a77a-41cd-a159-7ef82935fae9/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3c072-a77a-41cd-a159-7ef82935fae9/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3c072-a77a-41cd-a159-7ef82935fae9/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_18f3c072-a77a-41cd-a159-7ef82935fae9/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 491770f936b11f9c816b5badf382b4c7289d40b54afe46cb60faa6a0ff48de66 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:38:00,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:38:00,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:38:00,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:38:00,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:38:00,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:38:00,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:38:00,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:38:00,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:38:00,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:38:00,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:38:00,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:38:00,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:38:00,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:38:00,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:38:00,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:38:00,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:38:00,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:38:00,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:38:00,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:38:00,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:38:00,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:38:00,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:38:00,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:38:00,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:38:00,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:38:00,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:38:00,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:38:00,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:38:00,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:38:00,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:38:00,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:38:00,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:38:00,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:38:00,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:38:00,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:38:00,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:38:00,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:38:00,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:38:00,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:38:00,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:38:00,988 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3c072-a77a-41cd-a159-7ef82935fae9/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:38:01,037 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:38:01,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:38:01,039 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:38:01,039 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:38:01,040 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:38:01,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:38:01,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:38:01,048 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:38:01,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:38:01,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:38:01,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:38:01,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:38:01,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:38:01,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:38:01,051 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:38:01,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:38:01,052 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:38:01,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:38:01,053 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:38:01,053 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:38:01,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:38:01,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:01,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:38:01,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:38:01,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:38:01,055 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:38:01,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:38:01,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:38:01,055 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_18f3c072-a77a-41cd-a159-7ef82935fae9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3c072-a77a-41cd-a159-7ef82935fae9/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 491770f936b11f9c816b5badf382b4c7289d40b54afe46cb60faa6a0ff48de66 [2021-11-23 15:38:01,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:38:01,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:38:01,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:38:01,376 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:38:01,378 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:38:01,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3c072-a77a-41cd-a159-7ef82935fae9/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.c [2021-11-23 15:38:01,482 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3c072-a77a-41cd-a159-7ef82935fae9/bin/ukojak-CwSLpZB5Qu/data/de6de6766/feb9f127b9834e2a9ded1a323cc88a41/FLAG4d90347fc [2021-11-23 15:38:02,361 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:38:02,362 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3c072-a77a-41cd-a159-7ef82935fae9/sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.c [2021-11-23 15:38:02,388 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3c072-a77a-41cd-a159-7ef82935fae9/bin/ukojak-CwSLpZB5Qu/data/de6de6766/feb9f127b9834e2a9ded1a323cc88a41/FLAG4d90347fc [2021-11-23 15:38:02,523 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3c072-a77a-41cd-a159-7ef82935fae9/bin/ukojak-CwSLpZB5Qu/data/de6de6766/feb9f127b9834e2a9ded1a323cc88a41 [2021-11-23 15:38:02,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:38:02,528 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:38:02,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:02,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:38:02,533 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:38:02,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:02" (1/1) ... [2021-11-23 15:38:02,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7159534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:02, skipping insertion in model container [2021-11-23 15:38:02,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:02" (1/1) ... [2021-11-23 15:38:02,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:38:02,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:38:02,895 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_18f3c072-a77a-41cd-a159-7ef82935fae9/sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.c[1762,1775] [2021-11-23 15:38:03,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:03,469 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:38:03,487 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_18f3c072-a77a-41cd-a159-7ef82935fae9/sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.c[1762,1775] [2021-11-23 15:38:03,809 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:03,844 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:38:03,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:03 WrapperNode [2021-11-23 15:38:03,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:03,846 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:38:03,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:38:03,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:38:03,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:03" (1/1) ... [2021-11-23 15:38:03,955 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:03" (1/1) ... [2021-11-23 15:38:04,200 INFO L137 Inliner]: procedures = 60, calls = 2524, calls flagged for inlining = 22, calls inlined = 22, statements flattened = 4783 [2021-11-23 15:38:04,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:38:04,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:38:04,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:38:04,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:38:04,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:03" (1/1) ... [2021-11-23 15:38:04,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:03" (1/1) ... [2021-11-23 15:38:04,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:03" (1/1) ... [2021-11-23 15:38:04,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:03" (1/1) ... [2021-11-23 15:38:04,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:03" (1/1) ... [2021-11-23 15:38:04,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:03" (1/1) ... [2021-11-23 15:38:04,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:03" (1/1) ... [2021-11-23 15:38:04,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:38:04,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:38:04,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:38:04,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:38:04,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:03" (1/1) ... [2021-11-23 15:38:04,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:04,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3c072-a77a-41cd-a159-7ef82935fae9/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:38:04,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3c072-a77a-41cd-a159-7ef82935fae9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:38:04,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3c072-a77a-41cd-a159-7ef82935fae9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:38:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:38:04,693 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2021-11-23 15:38:04,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2021-11-23 15:38:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2021-11-23 15:38:04,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2021-11-23 15:38:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:38:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2021-11-23 15:38:04,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2021-11-23 15:38:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2021-11-23 15:38:04,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2021-11-23 15:38:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2021-11-23 15:38:04,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2021-11-23 15:38:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2021-11-23 15:38:04,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2021-11-23 15:38:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:38:04,696 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2021-11-23 15:38:04,697 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2021-11-23 15:38:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2021-11-23 15:38:04,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2021-11-23 15:38:04,697 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2021-11-23 15:38:04,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2021-11-23 15:38:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2021-11-23 15:38:04,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2021-11-23 15:38:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:38:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2021-11-23 15:38:04,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2021-11-23 15:38:04,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:38:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-11-23 15:38:04,699 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-11-23 15:38:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2021-11-23 15:38:04,699 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2021-11-23 15:38:04,699 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2021-11-23 15:38:04,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2021-11-23 15:38:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:38:04,700 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:38:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:38:04,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:38:04,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:38:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2021-11-23 15:38:04,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2021-11-23 15:38:04,701 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2021-11-23 15:38:04,702 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2021-11-23 15:38:04,702 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2021-11-23 15:38:04,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2021-11-23 15:38:05,305 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:38:05,308 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:38:31,193 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:38:31,546 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 15:38:31,559 INFO L158 Benchmark]: Toolchain (without parser) took 29028.86ms. Allocated memory was 109.1MB in the beginning and 333.4MB in the end (delta: 224.4MB). Free memory was 75.6MB in the beginning and 234.4MB in the end (delta: -158.8MB). Peak memory consumption was 144.6MB. Max. memory is 16.1GB. [2021-11-23 15:38:31,561 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:38:31,563 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1315.72ms. Allocated memory was 109.1MB in the beginning and 157.3MB in the end (delta: 48.2MB). Free memory was 75.4MB in the beginning and 97.2MB in the end (delta: -21.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 15:38:31,565 INFO L158 Benchmark]: Boogie Procedure Inliner took 354.94ms. Allocated memory is still 157.3MB. Free memory was 97.2MB in the beginning and 103.1MB in the end (delta: -5.9MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2021-11-23 15:38:31,566 INFO L158 Benchmark]: Boogie Preprocessor took 390.23ms. Allocated memory is still 157.3MB. Free memory was 103.1MB in the beginning and 89.4MB in the end (delta: 13.7MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2021-11-23 15:38:31,567 INFO L158 Benchmark]: RCFGBuilder took 26962.29ms. Allocated memory was 157.3MB in the beginning and 333.4MB in the end (delta: 176.2MB). Free memory was 88.8MB in the beginning and 234.4MB in the end (delta: -145.6MB). Peak memory consumption was 111.1MB. Max. memory is 16.1GB. [2021-11-23 15:38:31,578 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1315.72ms. Allocated memory was 109.1MB in the beginning and 157.3MB in the end (delta: 48.2MB). Free memory was 75.4MB in the beginning and 97.2MB in the end (delta: -21.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 354.94ms. Allocated memory is still 157.3MB. Free memory was 97.2MB in the beginning and 103.1MB in the end (delta: -5.9MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 390.23ms. Allocated memory is still 157.3MB. Free memory was 103.1MB in the beginning and 89.4MB in the end (delta: 13.7MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * RCFGBuilder took 26962.29ms. Allocated memory was 157.3MB in the beginning and 333.4MB in the end (delta: 176.2MB). Free memory was 88.8MB in the beginning and 234.4MB in the end (delta: -145.6MB). Peak memory consumption was 111.1MB. 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 15:38:31,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3c072-a77a-41cd-a159-7ef82935fae9/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_18f3c072-a77a-41cd-a159-7ef82935fae9/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3c072-a77a-41cd-a159-7ef82935fae9/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_18f3c072-a77a-41cd-a159-7ef82935fae9/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3c072-a77a-41cd-a159-7ef82935fae9/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3c072-a77a-41cd-a159-7ef82935fae9/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_18f3c072-a77a-41cd-a159-7ef82935fae9/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 491770f936b11f9c816b5badf382b4c7289d40b54afe46cb60faa6a0ff48de66 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:38:34,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:38:34,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:38:34,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:38:34,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:38:34,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:38:34,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:38:34,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:38:34,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:38:34,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:38:34,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:38:34,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:38:34,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:38:34,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:38:34,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:38:34,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:38:34,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:38:34,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:38:34,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:38:34,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:38:34,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:38:34,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:38:34,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:38:34,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:38:34,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:38:34,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:38:34,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:38:34,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:38:34,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:38:34,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:38:34,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:38:34,599 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:38:34,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:38:34,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:38:34,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:38:34,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:38:34,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:38:34,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:38:34,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:38:34,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:38:34,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:38:34,608 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3c072-a77a-41cd-a159-7ef82935fae9/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:38:34,641 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:38:34,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:38:34,643 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:38:34,643 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:38:34,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:38:34,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:38:34,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:38:34,645 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:38:34,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:38:34,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:38:34,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:38:34,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:38:34,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:38:34,646 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:38:34,647 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:38:34,647 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:38:34,647 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:38:34,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:38:34,648 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:38:34,648 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:38:34,648 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:38:34,648 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:38:34,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:38:34,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:34,649 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:38:34,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:38:34,650 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:38:34,650 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:38:34,650 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:38:34,650 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:38:34,651 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:38:34,651 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:38:34,651 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_18f3c072-a77a-41cd-a159-7ef82935fae9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3c072-a77a-41cd-a159-7ef82935fae9/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 491770f936b11f9c816b5badf382b4c7289d40b54afe46cb60faa6a0ff48de66 [2021-11-23 15:38:35,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:38:35,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:38:35,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:38:35,043 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:38:35,043 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:38:35,045 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3c072-a77a-41cd-a159-7ef82935fae9/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.c [2021-11-23 15:38:35,139 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3c072-a77a-41cd-a159-7ef82935fae9/bin/ukojak-CwSLpZB5Qu/data/931c8ff92/47e1fc3750c344b184105740c2229f50/FLAG79d4242b4 [2021-11-23 15:38:36,031 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:38:36,031 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3c072-a77a-41cd-a159-7ef82935fae9/sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.c [2021-11-23 15:38:36,071 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3c072-a77a-41cd-a159-7ef82935fae9/bin/ukojak-CwSLpZB5Qu/data/931c8ff92/47e1fc3750c344b184105740c2229f50/FLAG79d4242b4 [2021-11-23 15:38:36,154 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3c072-a77a-41cd-a159-7ef82935fae9/bin/ukojak-CwSLpZB5Qu/data/931c8ff92/47e1fc3750c344b184105740c2229f50 [2021-11-23 15:38:36,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:38:36,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:38:36,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:36,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:38:36,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:38:36,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:36" (1/1) ... [2021-11-23 15:38:36,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4433ce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:36, skipping insertion in model container [2021-11-23 15:38:36,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:36" (1/1) ... [2021-11-23 15:38:36,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:38:36,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:38:36,479 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_18f3c072-a77a-41cd-a159-7ef82935fae9/sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.c[1762,1775] [2021-11-23 15:38:37,153 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:37,169 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:38:37,186 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_18f3c072-a77a-41cd-a159-7ef82935fae9/sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.c[1762,1775] [2021-11-23 15:38:37,562 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:37,591 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:38:37,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:37 WrapperNode [2021-11-23 15:38:37,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:37,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:38:37,595 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:38:37,595 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:38:37,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:37" (1/1) ... [2021-11-23 15:38:37,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:37" (1/1) ... [2021-11-23 15:38:38,056 INFO L137 Inliner]: procedures = 63, calls = 2524, calls flagged for inlining = 22, calls inlined = 22, statements flattened = 4780 [2021-11-23 15:38:38,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:38:38,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:38:38,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:38:38,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:38:38,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:37" (1/1) ... [2021-11-23 15:38:38,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:37" (1/1) ... [2021-11-23 15:38:38,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:37" (1/1) ... [2021-11-23 15:38:38,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:37" (1/1) ... [2021-11-23 15:38:38,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:37" (1/1) ... [2021-11-23 15:38:38,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:37" (1/1) ... [2021-11-23 15:38:38,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:37" (1/1) ... [2021-11-23 15:38:38,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:38:38,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:38:38,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:38:38,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:38:38,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:37" (1/1) ... [2021-11-23 15:38:38,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:38,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3c072-a77a-41cd-a159-7ef82935fae9/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:38:38,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3c072-a77a-41cd-a159-7ef82935fae9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:38:38,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3c072-a77a-41cd-a159-7ef82935fae9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:38:38,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:38:38,691 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2021-11-23 15:38:38,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2021-11-23 15:38:38,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:38:38,691 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2021-11-23 15:38:38,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2021-11-23 15:38:38,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:38:38,692 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2021-11-23 15:38:38,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2021-11-23 15:38:38,692 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2021-11-23 15:38:38,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2021-11-23 15:38:38,692 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2021-11-23 15:38:38,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2021-11-23 15:38:38,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:38:38,693 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2021-11-23 15:38:38,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2021-11-23 15:38:38,723 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2021-11-23 15:38:38,723 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2021-11-23 15:38:38,724 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2021-11-23 15:38:38,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2021-11-23 15:38:38,724 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2021-11-23 15:38:38,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2021-11-23 15:38:38,724 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2021-11-23 15:38:38,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2021-11-23 15:38:38,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:38:38,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:38:38,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:38:38,725 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2021-11-23 15:38:38,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2021-11-23 15:38:38,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:38:38,726 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-11-23 15:38:38,726 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-11-23 15:38:38,726 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2021-11-23 15:38:38,726 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2021-11-23 15:38:38,726 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2021-11-23 15:38:38,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2021-11-23 15:38:38,727 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:38:38,727 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:38:38,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:38:38,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:38:38,727 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2021-11-23 15:38:38,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2021-11-23 15:38:38,727 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2021-11-23 15:38:38,728 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2021-11-23 15:38:38,728 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2021-11-23 15:38:38,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2021-11-23 15:38:39,462 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:38:39,465 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:39:36,701 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:39:37,160 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 15:39:37,173 INFO L158 Benchmark]: Toolchain (without parser) took 61008.53ms. Allocated memory was 56.6MB in the beginning and 180.4MB in the end (delta: 123.7MB). Free memory was 30.2MB in the beginning and 95.7MB in the end (delta: -65.5MB). Peak memory consumption was 119.5MB. Max. memory is 16.1GB. [2021-11-23 15:39:37,174 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 56.6MB. Free memory was 36.1MB in the beginning and 36.0MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:37,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1431.52ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 30.0MB in the beginning and 30.7MB in the end (delta: -671.5kB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2021-11-23 15:39:37,179 INFO L158 Benchmark]: Boogie Procedure Inliner took 463.01ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 30.7MB in the beginning and 47.1MB in the end (delta: -16.4MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2021-11-23 15:39:37,180 INFO L158 Benchmark]: Boogie Preprocessor took 514.36ms. Allocated memory is still 92.3MB. Free memory was 47.1MB in the beginning and 32.9MB in the end (delta: 14.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 15:39:37,182 INFO L158 Benchmark]: RCFGBuilder took 58594.24ms. Allocated memory was 92.3MB in the beginning and 180.4MB in the end (delta: 88.1MB). Free memory was 32.9MB in the beginning and 95.7MB in the end (delta: -62.9MB). Peak memory consumption was 88.4MB. Max. memory is 16.1GB. [2021-11-23 15:39:37,197 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 56.6MB. Free memory was 36.1MB in the beginning and 36.0MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1431.52ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 30.0MB in the beginning and 30.7MB in the end (delta: -671.5kB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 463.01ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 30.7MB in the beginning and 47.1MB in the end (delta: -16.4MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 514.36ms. Allocated memory is still 92.3MB. Free memory was 47.1MB in the beginning and 32.9MB in the end (delta: 14.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 58594.24ms. Allocated memory was 92.3MB in the beginning and 180.4MB in the end (delta: 88.1MB). Free memory was 32.9MB in the beginning and 95.7MB in the end (delta: -62.9MB). Peak memory consumption was 88.4MB. 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 15:39:37,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18f3c072-a77a-41cd-a159-7ef82935fae9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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