./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/test-semi1.wvr.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_33b55496-e2d9-48d0-bf30-6fdfa368157b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b55496-e2d9-48d0-bf30-6fdfa368157b/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_33b55496-e2d9-48d0-bf30-6fdfa368157b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b55496-e2d9-48d0-bf30-6fdfa368157b/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/test-semi1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b55496-e2d9-48d0-bf30-6fdfa368157b/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_33b55496-e2d9-48d0-bf30-6fdfa368157b/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 e1fb758430fdab5e598998cc874ea93afa2de5f622c2b42d836b77952562e01f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:28,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:28,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:28,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:28,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:28,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:28,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:28,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:28,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:28,736 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:28,737 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:28,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:28,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:28,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:28,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:28,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:28,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:28,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:28,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:28,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:28,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:28,775 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:28,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:28,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:28,792 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:28,793 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:28,793 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:28,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:28,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:28,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:28,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:28,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:28,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:28,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:28,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:28,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:28,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:28,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:28,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:28,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:28,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:28,813 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b55496-e2d9-48d0-bf30-6fdfa368157b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:33:28,871 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:28,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:28,874 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:33:28,874 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:33:28,876 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:28,876 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:28,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:28,877 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:28,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:33:28,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:28,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:28,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:33:28,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:28,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:33:28,888 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:28,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:33:28,889 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:28,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:33:28,889 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:28,890 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:28,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:28,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:28,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:28,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:28,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:33:28,892 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:33:28,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:33:28,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:33:28,893 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_33b55496-e2d9-48d0-bf30-6fdfa368157b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b55496-e2d9-48d0-bf30-6fdfa368157b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1fb758430fdab5e598998cc874ea93afa2de5f622c2b42d836b77952562e01f [2021-11-23 15:33:29,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:29,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:29,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:29,358 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:29,360 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:29,363 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b55496-e2d9-48d0-bf30-6fdfa368157b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/test-semi1.wvr.c [2021-11-23 15:33:29,448 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b55496-e2d9-48d0-bf30-6fdfa368157b/bin/ukojak-CwSLpZB5Qu/data/ddfcaee21/88704263715a43a092387f52283b5a9b/FLAGd39249c64 [2021-11-23 15:33:29,976 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:29,977 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b55496-e2d9-48d0-bf30-6fdfa368157b/sv-benchmarks/c/weaver/test-semi1.wvr.c [2021-11-23 15:33:29,991 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b55496-e2d9-48d0-bf30-6fdfa368157b/bin/ukojak-CwSLpZB5Qu/data/ddfcaee21/88704263715a43a092387f52283b5a9b/FLAGd39249c64 [2021-11-23 15:33:30,349 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b55496-e2d9-48d0-bf30-6fdfa368157b/bin/ukojak-CwSLpZB5Qu/data/ddfcaee21/88704263715a43a092387f52283b5a9b [2021-11-23 15:33:30,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:30,358 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:30,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:30,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:30,368 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:30,369 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:30" (1/1) ... [2021-11-23 15:33:30,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@442dd5f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:30, skipping insertion in model container [2021-11-23 15:33:30,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:30" (1/1) ... [2021-11-23 15:33:30,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:30,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:30,700 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_33b55496-e2d9-48d0-bf30-6fdfa368157b/sv-benchmarks/c/weaver/test-semi1.wvr.c[1979,1992] [2021-11-23 15:33:30,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:30,720 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:30,757 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_33b55496-e2d9-48d0-bf30-6fdfa368157b/sv-benchmarks/c/weaver/test-semi1.wvr.c[1979,1992] [2021-11-23 15:33:30,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:30,788 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:30,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:30 WrapperNode [2021-11-23 15:33:30,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:30,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:30,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:30,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:30,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:30" (1/1) ... [2021-11-23 15:33:30,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:30" (1/1) ... [2021-11-23 15:33:30,834 INFO L137 Inliner]: procedures = 21, calls = 26, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2021-11-23 15:33:30,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:30,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:30,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:30,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:30,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:30" (1/1) ... [2021-11-23 15:33:30,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:30" (1/1) ... [2021-11-23 15:33:30,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:30" (1/1) ... [2021-11-23 15:33:30,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:30" (1/1) ... [2021-11-23 15:33:30,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:30" (1/1) ... [2021-11-23 15:33:30,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:30" (1/1) ... [2021-11-23 15:33:30,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:30" (1/1) ... [2021-11-23 15:33:30,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:30,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:30,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:30,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:30,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:30" (1/1) ... [2021-11-23 15:33:30,876 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:30,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b55496-e2d9-48d0-bf30-6fdfa368157b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:30,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b55496-e2d9-48d0-bf30-6fdfa368157b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:30,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b55496-e2d9-48d0-bf30-6fdfa368157b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:33:30,972 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:33:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:33:30,974 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:33:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:33:30,974 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:33:30,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:33:30,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:33:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:33:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:33:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:33:30,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:30,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:30,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:33:30,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:33:30,984 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 15:33:31,088 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:31,090 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:31,274 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:31,326 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$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 15:33:31,333 INFO L158 Benchmark]: Toolchain (without parser) took 973.16ms. Allocated memory was 86.0MB in the beginning and 119.5MB in the end (delta: 33.6MB). Free memory was 49.3MB in the beginning and 79.5MB in the end (delta: -30.3MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2021-11-23 15:33:31,334 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 86.0MB. Free memory was 65.5MB in the beginning and 65.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:31,335 INFO L158 Benchmark]: CACSL2BoogieTranslator took 426.36ms. Allocated memory was 86.0MB in the beginning and 119.5MB in the end (delta: 33.6MB). Free memory was 49.0MB in the beginning and 94.7MB in the end (delta: -45.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:33:31,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.76ms. Allocated memory is still 119.5MB. Free memory was 94.7MB in the beginning and 93.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:31,338 INFO L158 Benchmark]: Boogie Preprocessor took 27.98ms. Allocated memory is still 119.5MB. Free memory was 93.1MB in the beginning and 92.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:31,339 INFO L158 Benchmark]: RCFGBuilder took 465.77ms. Allocated memory is still 119.5MB. Free memory was 92.1MB in the beginning and 79.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:33:31,345 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 86.0MB. Free memory was 65.5MB in the beginning and 65.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 426.36ms. Allocated memory was 86.0MB in the beginning and 119.5MB in the end (delta: 33.6MB). Free memory was 49.0MB in the beginning and 94.7MB in the end (delta: -45.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.76ms. Allocated memory is still 119.5MB. Free memory was 94.7MB in the beginning and 93.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.98ms. Allocated memory is still 119.5MB. Free memory was 93.1MB in the beginning and 92.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 465.77ms. Allocated memory is still 119.5MB. Free memory was 92.1MB in the beginning and 79.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. 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 15:33:31,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b55496-e2d9-48d0-bf30-6fdfa368157b/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_33b55496-e2d9-48d0-bf30-6fdfa368157b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b55496-e2d9-48d0-bf30-6fdfa368157b/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_33b55496-e2d9-48d0-bf30-6fdfa368157b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b55496-e2d9-48d0-bf30-6fdfa368157b/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/test-semi1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b55496-e2d9-48d0-bf30-6fdfa368157b/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_33b55496-e2d9-48d0-bf30-6fdfa368157b/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 e1fb758430fdab5e598998cc874ea93afa2de5f622c2b42d836b77952562e01f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:34,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:34,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:34,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:34,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:34,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:34,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:34,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:34,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:34,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:34,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:34,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:34,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:34,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:34,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:34,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:34,245 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:34,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:34,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:34,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:34,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:34,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:34,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:34,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:34,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:34,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:34,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:34,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:34,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:34,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:34,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:34,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:34,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:34,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:34,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:34,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:34,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:34,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:34,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:34,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:34,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:34,285 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b55496-e2d9-48d0-bf30-6fdfa368157b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:33:34,317 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:34,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:34,319 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:33:34,319 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:33:34,321 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:34,321 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:34,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:34,322 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:34,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:34,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:34,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:33:34,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:34,325 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:33:34,326 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:33:34,326 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:33:34,327 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:33:34,328 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:34,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:33:34,329 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:34,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:33:34,330 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:34,330 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:34,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:34,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:34,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:34,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:34,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:33:34,332 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:33:34,333 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:33:34,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:33:34,333 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:33:34,334 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:33:34,334 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_33b55496-e2d9-48d0-bf30-6fdfa368157b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b55496-e2d9-48d0-bf30-6fdfa368157b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1fb758430fdab5e598998cc874ea93afa2de5f622c2b42d836b77952562e01f [2021-11-23 15:33:34,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:34,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:34,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:34,846 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:34,846 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:34,851 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b55496-e2d9-48d0-bf30-6fdfa368157b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/weaver/test-semi1.wvr.c [2021-11-23 15:33:34,938 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b55496-e2d9-48d0-bf30-6fdfa368157b/bin/ukojak-CwSLpZB5Qu/data/e389b23dd/72b12bcb52d4408f879cf4decc0b2a69/FLAG958d025be [2021-11-23 15:33:35,560 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:35,561 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b55496-e2d9-48d0-bf30-6fdfa368157b/sv-benchmarks/c/weaver/test-semi1.wvr.c [2021-11-23 15:33:35,573 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b55496-e2d9-48d0-bf30-6fdfa368157b/bin/ukojak-CwSLpZB5Qu/data/e389b23dd/72b12bcb52d4408f879cf4decc0b2a69/FLAG958d025be [2021-11-23 15:33:35,896 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b55496-e2d9-48d0-bf30-6fdfa368157b/bin/ukojak-CwSLpZB5Qu/data/e389b23dd/72b12bcb52d4408f879cf4decc0b2a69 [2021-11-23 15:33:35,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:35,906 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:35,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:35,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:35,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:35,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:35" (1/1) ... [2021-11-23 15:33:35,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5441068e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:35, skipping insertion in model container [2021-11-23 15:33:35,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:35" (1/1) ... [2021-11-23 15:33:35,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:35,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:36,212 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_33b55496-e2d9-48d0-bf30-6fdfa368157b/sv-benchmarks/c/weaver/test-semi1.wvr.c[1979,1992] [2021-11-23 15:33:36,218 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:36,234 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:36,275 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_33b55496-e2d9-48d0-bf30-6fdfa368157b/sv-benchmarks/c/weaver/test-semi1.wvr.c[1979,1992] [2021-11-23 15:33:36,277 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:36,344 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:36,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36 WrapperNode [2021-11-23 15:33:36,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:36,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:36,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:36,348 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:36,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... [2021-11-23 15:33:36,390 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... [2021-11-23 15:33:36,420 INFO L137 Inliner]: procedures = 23, calls = 26, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2021-11-23 15:33:36,421 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:36,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:36,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:36,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:36,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... [2021-11-23 15:33:36,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... [2021-11-23 15:33:36,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... [2021-11-23 15:33:36,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... [2021-11-23 15:33:36,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... [2021-11-23 15:33:36,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... [2021-11-23 15:33:36,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... [2021-11-23 15:33:36,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:36,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:36,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:36,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:36,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:36" (1/1) ... [2021-11-23 15:33:36,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:36,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b55496-e2d9-48d0-bf30-6fdfa368157b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:36,535 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b55496-e2d9-48d0-bf30-6fdfa368157b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:36,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b55496-e2d9-48d0-bf30-6fdfa368157b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:36,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:36,595 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 15:33:36,595 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 15:33:36,596 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 15:33:36,596 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 15:33:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:33:36,597 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:33:36,597 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:33:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:33:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:33:36,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:33:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:33:36,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:36,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:33:36,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:33:36,607 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 15:33:36,703 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:36,705 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:36,888 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:36,988 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$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:284) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 15:33:37,018 INFO L158 Benchmark]: Toolchain (without parser) took 1111.69ms. Allocated memory is still 79.7MB. Free memory was 63.0MB in the beginning and 47.8MB in the end (delta: 15.2MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2021-11-23 15:33:37,019 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 79.7MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:37,020 INFO L158 Benchmark]: CACSL2BoogieTranslator took 437.93ms. Allocated memory is still 79.7MB. Free memory was 62.8MB in the beginning and 63.0MB in the end (delta: -143.6kB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2021-11-23 15:33:37,021 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.91ms. Allocated memory is still 79.7MB. Free memory was 63.0MB in the beginning and 61.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:37,026 INFO L158 Benchmark]: Boogie Preprocessor took 55.80ms. Allocated memory is still 79.7MB. Free memory was 61.3MB in the beginning and 60.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:37,027 INFO L158 Benchmark]: RCFGBuilder took 536.41ms. Allocated memory is still 79.7MB. Free memory was 60.2MB in the beginning and 47.8MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:33:37,032 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 79.7MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 437.93ms. Allocated memory is still 79.7MB. Free memory was 62.8MB in the beginning and 63.0MB in the end (delta: -143.6kB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.91ms. Allocated memory is still 79.7MB. Free memory was 63.0MB in the beginning and 61.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.80ms. Allocated memory is still 79.7MB. Free memory was 61.3MB in the beginning and 60.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 536.41ms. Allocated memory is still 79.7MB. Free memory was 60.2MB in the beginning and 47.8MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. 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 15:33:37,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b55496-e2d9-48d0-bf30-6fdfa368157b/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