./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_83-list2_racing1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_83-list2_racing1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23c4aefdda14d4315577cd0030d174ab477745d4b270d2de822290a016a0ff8d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:40:03,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:40:03,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:40:03,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:40:03,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:40:03,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:40:03,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:40:03,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:40:03,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:40:03,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:40:03,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:40:03,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:40:03,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:40:03,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:40:03,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:40:03,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:40:03,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:40:03,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:40:03,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:40:03,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:40:03,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:40:03,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:40:03,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:40:03,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:40:03,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:40:03,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:40:03,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:40:03,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:40:03,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:40:03,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:40:03,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:40:03,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:40:03,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:40:03,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:40:03,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:40:03,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:40:03,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:40:03,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:40:03,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:40:03,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:40:03,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:40:03,788 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:40:03,819 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:40:03,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:40:03,825 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:40:03,827 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:40:03,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:40:03,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:40:03,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:40:03,829 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:40:03,829 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:40:03,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:40:03,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:40:03,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:40:03,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:40:03,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:40:03,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:40:03,833 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:40:03,833 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:40:03,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:40:03,833 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:40:03,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:40:03,834 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:40:03,834 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:40:03,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:40:03,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:40:03,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:40:03,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:40:03,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:40:03,836 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:40:03,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:40:03,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:40:03,838 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_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23c4aefdda14d4315577cd0030d174ab477745d4b270d2de822290a016a0ff8d [2022-11-20 17:40:04,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:40:04,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:40:04,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:40:04,196 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:40:04,197 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:40:04,198 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/goblint-regression/28-race_reach_83-list2_racing1.i [2022-11-20 17:40:07,288 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:40:07,647 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:40:07,647 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/sv-benchmarks/c/goblint-regression/28-race_reach_83-list2_racing1.i [2022-11-20 17:40:07,668 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ/data/cf67084c8/eb02738a7e494c13ad4d781d0f0b9eba/FLAG4956210a5 [2022-11-20 17:40:07,690 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ/data/cf67084c8/eb02738a7e494c13ad4d781d0f0b9eba [2022-11-20 17:40:07,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:40:07,696 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:40:07,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:40:07,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:40:07,705 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:40:07,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:40:07" (1/1) ... [2022-11-20 17:40:07,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d956e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:40:07, skipping insertion in model container [2022-11-20 17:40:07,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:40:07" (1/1) ... [2022-11-20 17:40:07,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:40:07,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:40:08,347 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/sv-benchmarks/c/goblint-regression/28-race_reach_83-list2_racing1.i[47038,47051] [2022-11-20 17:40:08,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:40:08,439 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:40:08,484 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/sv-benchmarks/c/goblint-regression/28-race_reach_83-list2_racing1.i[47038,47051] [2022-11-20 17:40:08,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:40:08,597 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:40:08,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:40:08 WrapperNode [2022-11-20 17:40:08,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:40:08,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:40:08,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:40:08,599 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:40:08,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:40:08" (1/1) ... [2022-11-20 17:40:08,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:40:08" (1/1) ... [2022-11-20 17:40:08,649 INFO L138 Inliner]: procedures = 279, calls = 86, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 172 [2022-11-20 17:40:08,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:40:08,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:40:08,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:40:08,650 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:40:08,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:40:08" (1/1) ... [2022-11-20 17:40:08,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:40:08" (1/1) ... [2022-11-20 17:40:08,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:40:08" (1/1) ... [2022-11-20 17:40:08,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:40:08" (1/1) ... [2022-11-20 17:40:08,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:40:08" (1/1) ... [2022-11-20 17:40:08,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:40:08" (1/1) ... [2022-11-20 17:40:08,686 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:40:08" (1/1) ... [2022-11-20 17:40:08,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:40:08" (1/1) ... [2022-11-20 17:40:08,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:40:08,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:40:08,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:40:08,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:40:08,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:40:08" (1/1) ... [2022-11-20 17:40:08,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:40:08,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:40:08,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:40:08,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:40:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:40:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 17:40:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2022-11-20 17:40:08,779 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2022-11-20 17:40:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure take [2022-11-20 17:40:08,780 INFO L138 BoogieDeclarations]: Found implementation of procedure take [2022-11-20 17:40:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:40:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:40:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2022-11-20 17:40:08,780 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2022-11-20 17:40:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure init [2022-11-20 17:40:08,781 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2022-11-20 17:40:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-20 17:40:08,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-20 17:40:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:40:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 17:40:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 17:40:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:40:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 17:40:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2022-11-20 17:40:08,782 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2022-11-20 17:40:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:40:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:40:08,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:40:08,784 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:40:09,027 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:40:09,029 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:40:09,643 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:40:09,659 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:40:09,661 INFO L300 CfgBuilder]: Removed 27 assume(true) statements. [2022-11-20 17:40:09,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:40:09 BoogieIcfgContainer [2022-11-20 17:40:09,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:40:09,666 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:40:09,666 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:40:09,677 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:40:09,677 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:40:09" (1/1) ... [2022-11-20 17:40:09,678 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:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 17:40:09,682 INFO L158 Benchmark]: Toolchain (without parser) took 1985.25ms. Allocated memory is still 140.5MB. Free memory was 94.5MB in the beginning and 102.6MB in the end (delta: -8.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:40:09,683 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 58.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:40:09,684 INFO L158 Benchmark]: CACSL2BoogieTranslator took 896.45ms. Allocated memory is still 140.5MB. Free memory was 94.2MB in the beginning and 98.4MB in the end (delta: -4.2MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2022-11-20 17:40:09,685 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.96ms. Allocated memory is still 140.5MB. Free memory was 98.4MB in the beginning and 95.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:40:09,686 INFO L158 Benchmark]: Boogie Preprocessor took 42.12ms. Allocated memory is still 140.5MB. Free memory was 95.7MB in the beginning and 92.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:40:09,686 INFO L158 Benchmark]: RCFGBuilder took 972.17ms. Allocated memory is still 140.5MB. Free memory was 92.8MB in the beginning and 103.8MB in the end (delta: -10.9MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2022-11-20 17:40:09,687 INFO L158 Benchmark]: CodeCheck took 14.81ms. Allocated memory is still 140.5MB. Free memory was 103.8MB in the beginning and 102.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:40:09,696 INFO L339 ainManager$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:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 58.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 896.45ms. Allocated memory is still 140.5MB. Free memory was 94.2MB in the beginning and 98.4MB in the end (delta: -4.2MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.96ms. Allocated memory is still 140.5MB. Free memory was 98.4MB in the beginning and 95.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.12ms. Allocated memory is still 140.5MB. Free memory was 95.7MB in the beginning and 92.8MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 972.17ms. Allocated memory is still 140.5MB. Free memory was 92.8MB in the beginning and 103.8MB in the end (delta: -10.9MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. * CodeCheck took 14.81ms. Allocated memory is still 140.5MB. Free memory was 103.8MB in the beginning and 102.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:40:09,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_83-list2_racing1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23c4aefdda14d4315577cd0030d174ab477745d4b270d2de822290a016a0ff8d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:40:12,249 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:40:12,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:40:12,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:40:12,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:40:12,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:40:12,298 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:40:12,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:40:12,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:40:12,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:40:12,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:40:12,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:40:12,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:40:12,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:40:12,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:40:12,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:40:12,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:40:12,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:40:12,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:40:12,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:40:12,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:40:12,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:40:12,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:40:12,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:40:12,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:40:12,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:40:12,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:40:12,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:40:12,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:40:12,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:40:12,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:40:12,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:40:12,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:40:12,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:40:12,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:40:12,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:40:12,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:40:12,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:40:12,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:40:12,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:40:12,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:40:12,385 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 17:40:12,428 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:40:12,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:40:12,430 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:40:12,430 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:40:12,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:40:12,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:40:12,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:40:12,432 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:40:12,432 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:40:12,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:40:12,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:40:12,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:40:12,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:40:12,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:40:12,434 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:40:12,434 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:40:12,435 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:40:12,435 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:40:12,435 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:40:12,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:40:12,436 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:40:12,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:40:12,436 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:40:12,436 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:40:12,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:40:12,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:40:12,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:40:12,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:40:12,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:40:12,437 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:40:12,438 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:40:12,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:40:12,438 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:40:12,439 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:40:12,439 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_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23c4aefdda14d4315577cd0030d174ab477745d4b270d2de822290a016a0ff8d [2022-11-20 17:40:12,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:40:12,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:40:12,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:40:12,902 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:40:12,902 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:40:12,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/goblint-regression/28-race_reach_83-list2_racing1.i [2022-11-20 17:40:15,964 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:40:16,290 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:40:16,294 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/sv-benchmarks/c/goblint-regression/28-race_reach_83-list2_racing1.i [2022-11-20 17:40:16,318 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ/data/99e606f18/118ee732e5bd430dacc8d28712166bb4/FLAGe13ac39ed [2022-11-20 17:40:16,342 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ/data/99e606f18/118ee732e5bd430dacc8d28712166bb4 [2022-11-20 17:40:16,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:40:16,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:40:16,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:40:16,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:40:16,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:40:16,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:40:16" (1/1) ... [2022-11-20 17:40:16,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4829b478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:40:16, skipping insertion in model container [2022-11-20 17:40:16,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:40:16" (1/1) ... [2022-11-20 17:40:16,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:40:16,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:40:16,994 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/sv-benchmarks/c/goblint-regression/28-race_reach_83-list2_racing1.i[47038,47051] [2022-11-20 17:40:17,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:40:17,050 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:40:17,091 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/sv-benchmarks/c/goblint-regression/28-race_reach_83-list2_racing1.i[47038,47051] [2022-11-20 17:40:17,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:40:17,263 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:40:17,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:40:17 WrapperNode [2022-11-20 17:40:17,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:40:17,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:40:17,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:40:17,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:40:17,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:40:17" (1/1) ... [2022-11-20 17:40:17,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:40:17" (1/1) ... [2022-11-20 17:40:17,344 INFO L138 Inliner]: procedures = 283, calls = 86, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 172 [2022-11-20 17:40:17,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:40:17,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:40:17,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:40:17,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:40:17,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:40:17" (1/1) ... [2022-11-20 17:40:17,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:40:17" (1/1) ... [2022-11-20 17:40:17,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:40:17" (1/1) ... [2022-11-20 17:40:17,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:40:17" (1/1) ... [2022-11-20 17:40:17,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:40:17" (1/1) ... [2022-11-20 17:40:17,413 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:40:17" (1/1) ... [2022-11-20 17:40:17,417 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:40:17" (1/1) ... [2022-11-20 17:40:17,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:40:17" (1/1) ... [2022-11-20 17:40:17,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:40:17,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:40:17,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:40:17,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:40:17,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:40:17" (1/1) ... [2022-11-20 17:40:17,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:40:17,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:40:17,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:40:17,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:40:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 17:40:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:40:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 17:40:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2022-11-20 17:40:17,535 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2022-11-20 17:40:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure take [2022-11-20 17:40:17,536 INFO L138 BoogieDeclarations]: Found implementation of procedure take [2022-11-20 17:40:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:40:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 17:40:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 17:40:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 17:40:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2022-11-20 17:40:17,537 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2022-11-20 17:40:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure init [2022-11-20 17:40:17,537 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2022-11-20 17:40:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-20 17:40:17,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-20 17:40:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 17:40:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 17:40:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:40:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 17:40:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2022-11-20 17:40:17,539 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2022-11-20 17:40:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:40:17,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:40:17,541 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:40:17,805 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:40:17,813 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:40:18,447 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:40:18,457 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:40:18,458 INFO L300 CfgBuilder]: Removed 27 assume(true) statements. [2022-11-20 17:40:18,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:40:18 BoogieIcfgContainer [2022-11-20 17:40:18,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:40:18,461 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:40:18,462 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:40:18,472 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:40:18,472 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:40:18" (1/1) ... [2022-11-20 17:40:18,473 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:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) 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) [2022-11-20 17:40:18,481 INFO L158 Benchmark]: Toolchain (without parser) took 2133.29ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 31.5MB in the beginning and 40.3MB in the end (delta: -8.8MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-11-20 17:40:18,482 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 62.9MB. Free memory was 41.2MB in the beginning and 41.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:40:18,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 914.85ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 31.4MB in the beginning and 58.1MB in the end (delta: -26.7MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2022-11-20 17:40:18,483 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.08ms. Allocated memory is still 83.9MB. Free memory was 58.1MB in the beginning and 55.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:40:18,484 INFO L158 Benchmark]: Boogie Preprocessor took 104.25ms. Allocated memory is still 83.9MB. Free memory was 55.1MB in the beginning and 51.9MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:40:18,485 INFO L158 Benchmark]: RCFGBuilder took 1010.55ms. Allocated memory is still 83.9MB. Free memory was 51.9MB in the beginning and 41.2MB in the end (delta: 10.6MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2022-11-20 17:40:18,486 INFO L158 Benchmark]: CodeCheck took 17.59ms. Allocated memory is still 83.9MB. Free memory was 41.2MB in the beginning and 40.3MB in the end (delta: 942.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:40:18,494 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:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 62.9MB. Free memory was 41.2MB in the beginning and 41.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 914.85ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 31.4MB in the beginning and 58.1MB in the end (delta: -26.7MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.08ms. Allocated memory is still 83.9MB. Free memory was 58.1MB in the beginning and 55.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.25ms. Allocated memory is still 83.9MB. Free memory was 55.1MB in the beginning and 51.9MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1010.55ms. Allocated memory is still 83.9MB. Free memory was 51.9MB in the beginning and 41.2MB in the end (delta: 10.6MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * CodeCheck took 17.59ms. Allocated memory is still 83.9MB. Free memory was 41.2MB in the beginning and 40.3MB in the end (delta: 942.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:40:18,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beba074a-4f04-4622-9b6b-dd12e2e28d50/bin/ukojak-pZX7IvK2PQ/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: Concurrent programs are currently unsupported