./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI --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 7faf759f4f4392e84815a483ab24e4497f918cd291dc733acf407d398902eccf .............................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI --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 7faf759f4f4392e84815a483ab24e4497f918cd291dc733acf407d398902eccf .................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:54:12,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:54:12,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:54:12,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:54:12,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:54:12,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:54:12,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:54:12,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:54:12,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:54:12,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:54:12,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:54:12,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:54:12,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:54:12,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:54:12,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:54:12,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:54:12,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:54:12,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:54:12,934 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:54:12,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:54:12,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:54:12,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:54:12,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:54:12,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:54:12,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:54:12,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:54:12,960 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:54:12,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:54:12,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:54:12,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:54:12,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:54:12,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:54:12,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:54:12,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:54:12,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:54:12,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:54:12,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:54:12,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:54:12,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:54:12,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:54:12,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:54:12,975 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 02:54:13,019 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:54:13,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:54:13,021 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 02:54:13,021 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 02:54:13,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:54:13,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:54:13,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:54:13,022 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:54:13,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:54:13,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:54:13,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:54:13,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:54:13,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:54:13,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:54:13,031 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:54:13,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:54:13,031 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:54:13,031 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:54:13,032 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 02:54:13,032 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 02:54:13,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:54:13,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:54:13,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:54:13,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:54:13,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:54:13,033 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 02:54:13,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:54:13,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:54:13,034 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_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7faf759f4f4392e84815a483ab24e4497f918cd291dc733acf407d398902eccf [2021-10-29 02:54:13,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:54:13,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:54:13,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:54:13,367 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:54:13,368 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:54:13,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c [2021-10-29 02:54:13,452 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/data/57bdb090e/e60bbc49416446efab63dd838cd8262c/FLAGa95ac218f [2021-10-29 02:54:13,983 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:54:13,984 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c [2021-10-29 02:54:13,997 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/data/57bdb090e/e60bbc49416446efab63dd838cd8262c/FLAGa95ac218f [2021-10-29 02:54:14,360 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/data/57bdb090e/e60bbc49416446efab63dd838cd8262c [2021-10-29 02:54:14,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:54:14,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:54:14,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:54:14,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:54:14,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:54:14,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:54:14" (1/1) ... [2021-10-29 02:54:14,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73349d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:14, skipping insertion in model container [2021-10-29 02:54:14,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:54:14" (1/1) ... [2021-10-29 02:54:14,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:54:14,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:54:14,660 WARN L228 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_63d5e67d-25c2-4340-8f59-261f9e6014a9/sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c[2591,2604] [2021-10-29 02:54:14,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:54:14,689 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:54:14,732 WARN L228 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_63d5e67d-25c2-4340-8f59-261f9e6014a9/sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c[2591,2604] [2021-10-29 02:54:14,738 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:54:14,754 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:54:14,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:14 WrapperNode [2021-10-29 02:54:14,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:54:14,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:54:14,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:54:14,759 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:54:14,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:14" (1/1) ... [2021-10-29 02:54:14,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:14" (1/1) ... [2021-10-29 02:54:14,799 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:54:14,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:54:14,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:54:14,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:54:14,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:14" (1/1) ... [2021-10-29 02:54:14,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:14" (1/1) ... [2021-10-29 02:54:14,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:14" (1/1) ... [2021-10-29 02:54:14,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:14" (1/1) ... [2021-10-29 02:54:14,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:14" (1/1) ... [2021-10-29 02:54:14,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:14" (1/1) ... [2021-10-29 02:54:14,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:14" (1/1) ... [2021-10-29 02:54:14,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:54:14,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:54:14,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:54:14,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:54:14,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:14" (1/1) ... [2021-10-29 02:54:14,838 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:54:14,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 02:54:14,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 02:54:14,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 02:54:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-29 02:54:14,925 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-29 02:54:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-29 02:54:14,926 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-29 02:54:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-29 02:54:14,926 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-29 02:54:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 02:54:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:54:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 02:54:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-29 02:54:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-29 02:54:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:54:14,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:54:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 02:54:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 02:54:14,928 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 02:54:15,413 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:54:15,414 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-29 02:54:15,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:54:15 BoogieIcfgContainer [2021-10-29 02:54:15,416 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 02:54:15,417 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 02:54:15,417 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 02:54:15,427 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 02:54:15,427 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:54:15" (1/1) ... [2021-10-29 02:54:15,428 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:363) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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) [2021-10-29 02:54:15,432 INFO L168 Benchmark]: Toolchain (without parser) took 1065.77 ms. Allocated memory is still 102.8 MB. Free memory was 75.6 MB in the beginning and 57.8 MB in the end (delta: 17.7 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:15,433 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 102.8 MB. Free memory was 57.1 MB in the beginning and 57.0 MB in the end (delta: 117.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:54:15,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.01 ms. Allocated memory is still 102.8 MB. Free memory was 75.3 MB in the beginning and 76.4 MB in the end (delta: -1.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:15,435 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.93 ms. Allocated memory is still 102.8 MB. Free memory was 76.2 MB in the beginning and 74.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:54:15,436 INFO L168 Benchmark]: Boogie Preprocessor took 27.64 ms. Allocated memory is still 102.8 MB. Free memory was 74.8 MB in the beginning and 73.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:15,437 INFO L168 Benchmark]: RCFGBuilder took 587.91 ms. Allocated memory is still 102.8 MB. Free memory was 73.3 MB in the beginning and 58.8 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:15,438 INFO L168 Benchmark]: CodeCheck took 13.40 ms. Allocated memory is still 102.8 MB. Free memory was 58.8 MB in the beginning and 57.8 MB in the end (delta: 969.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:54:15,442 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 102.8 MB. Free memory was 57.1 MB in the beginning and 57.0 MB in the end (delta: 117.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 387.01 ms. Allocated memory is still 102.8 MB. Free memory was 75.3 MB in the beginning and 76.4 MB in the end (delta: -1.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.93 ms. Allocated memory is still 102.8 MB. Free memory was 76.2 MB in the beginning and 74.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.64 ms. Allocated memory is still 102.8 MB. Free memory was 74.8 MB in the beginning and 73.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 587.91 ms. Allocated memory is still 102.8 MB. Free memory was 73.3 MB in the beginning and 58.8 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 13.40 ms. Allocated memory is still 102.8 MB. Free memory was 58.8 MB in the beginning and 57.8 MB in the end (delta: 969.0 kB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-29 02:54:15,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:54:17,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:54:18,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:54:18,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:54:18,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:54:18,058 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:54:18,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:54:18,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:54:18,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:54:18,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:54:18,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:54:18,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:54:18,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:54:18,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:54:18,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:54:18,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:54:18,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:54:18,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:54:18,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:54:18,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:54:18,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:54:18,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:54:18,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:54:18,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:54:18,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:54:18,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:54:18,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:54:18,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:54:18,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:54:18,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:54:18,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:54:18,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:54:18,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:54:18,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:54:18,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:54:18,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:54:18,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:54:18,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:54:18,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:54:18,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:54:18,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:54:18,148 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-10-29 02:54:18,194 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:54:18,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:54:18,196 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 02:54:18,196 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 02:54:18,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:54:18,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:54:18,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:54:18,199 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:54:18,199 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:54:18,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:54:18,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:54:18,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:54:18,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:54:18,201 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 02:54:18,201 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 02:54:18,201 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 02:54:18,201 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:54:18,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:54:18,202 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:54:18,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:54:18,202 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 02:54:18,203 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 02:54:18,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:54:18,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:54:18,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:54:18,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:54:18,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:54:18,204 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 02:54:18,204 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 02:54:18,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:54:18,205 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-10-29 02:54:18,205 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 02:54:18,205 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_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7faf759f4f4392e84815a483ab24e4497f918cd291dc733acf407d398902eccf [2021-10-29 02:54:18,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:54:18,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:54:18,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:54:18,598 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:54:18,600 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:54:18,603 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c [2021-10-29 02:54:18,684 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/data/08a089f15/7d9dede9c3c74cc298f9374bdb07b163/FLAGf3964e9b5 [2021-10-29 02:54:19,161 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:54:19,165 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c [2021-10-29 02:54:19,180 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/data/08a089f15/7d9dede9c3c74cc298f9374bdb07b163/FLAGf3964e9b5 [2021-10-29 02:54:19,528 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/data/08a089f15/7d9dede9c3c74cc298f9374bdb07b163 [2021-10-29 02:54:19,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:54:19,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:54:19,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:54:19,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:54:19,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:54:19,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:54:19" (1/1) ... [2021-10-29 02:54:19,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a01c771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:19, skipping insertion in model container [2021-10-29 02:54:19,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:54:19" (1/1) ... [2021-10-29 02:54:19,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:54:19,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:54:19,845 WARN L228 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_63d5e67d-25c2-4340-8f59-261f9e6014a9/sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c[2591,2604] [2021-10-29 02:54:19,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:54:19,880 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:54:19,904 WARN L228 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_63d5e67d-25c2-4340-8f59-261f9e6014a9/sv-benchmarks/c/weaver/popl20-mult-equiv.wvr.c[2591,2604] [2021-10-29 02:54:19,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:54:19,921 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:54:19,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:19 WrapperNode [2021-10-29 02:54:19,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:54:19,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:54:19,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:54:19,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:54:19,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:19" (1/1) ... [2021-10-29 02:54:19,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:19" (1/1) ... [2021-10-29 02:54:19,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:54:19,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:54:19,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:54:19,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:54:19,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:19" (1/1) ... [2021-10-29 02:54:19,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:19" (1/1) ... [2021-10-29 02:54:19,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:19" (1/1) ... [2021-10-29 02:54:19,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:19" (1/1) ... [2021-10-29 02:54:20,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:19" (1/1) ... [2021-10-29 02:54:20,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:19" (1/1) ... [2021-10-29 02:54:20,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:19" (1/1) ... [2021-10-29 02:54:20,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:54:20,028 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:54:20,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:54:20,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:54:20,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:54:19" (1/1) ... [2021-10-29 02:54:20,036 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:54:20,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 02:54:20,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 02:54:20,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 02:54:20,101 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-29 02:54:20,101 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-29 02:54:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-29 02:54:20,102 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-29 02:54:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-29 02:54:20,102 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-29 02:54:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 02:54:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:54:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-29 02:54:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-29 02:54:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-29 02:54:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:54:20,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:54:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 02:54:20,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-29 02:54:20,105 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 02:54:20,622 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:54:20,623 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-29 02:54:20,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:54:20 BoogieIcfgContainer [2021-10-29 02:54:20,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 02:54:20,626 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 02:54:20,627 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 02:54:20,637 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 02:54:20,637 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:54:20" (1/1) ... [2021-10-29 02:54:20,638 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:363) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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) [2021-10-29 02:54:20,642 INFO L168 Benchmark]: Toolchain (without parser) took 1100.98 ms. Allocated memory is still 71.3 MB. Free memory was 55.5 MB in the beginning and 34.4 MB in the end (delta: 21.1 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:20,643 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 71.3 MB. Free memory was 52.4 MB in the beginning and 52.4 MB in the end (delta: 60.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:54:20,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.54 ms. Allocated memory is still 71.3 MB. Free memory was 55.3 MB in the beginning and 53.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:20,645 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.88 ms. Allocated memory is still 71.3 MB. Free memory was 53.4 MB in the beginning and 51.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:20,646 INFO L168 Benchmark]: Boogie Preprocessor took 63.51 ms. Allocated memory is still 71.3 MB. Free memory was 51.8 MB in the beginning and 50.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:54:20,647 INFO L168 Benchmark]: RCFGBuilder took 597.38 ms. Allocated memory is still 71.3 MB. Free memory was 50.4 MB in the beginning and 35.4 MB in the end (delta: 15.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-29 02:54:20,648 INFO L168 Benchmark]: CodeCheck took 13.51 ms. Allocated memory is still 71.3 MB. Free memory was 35.4 MB in the beginning and 34.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:54:20,652 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 71.3 MB. Free memory was 52.4 MB in the beginning and 52.4 MB in the end (delta: 60.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 378.54 ms. Allocated memory is still 71.3 MB. Free memory was 55.3 MB in the beginning and 53.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.88 ms. Allocated memory is still 71.3 MB. Free memory was 53.4 MB in the beginning and 51.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.51 ms. Allocated memory is still 71.3 MB. Free memory was 51.8 MB in the beginning and 50.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 597.38 ms. Allocated memory is still 71.3 MB. Free memory was 50.4 MB in the beginning and 35.4 MB in the end (delta: 15.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * CodeCheck took 13.51 ms. Allocated memory is still 71.3 MB. Free memory was 35.4 MB in the beginning and 34.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-29 02:54:20,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63d5e67d-25c2-4340-8f59-261f9e6014a9/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...