./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9720fd43-f054-4828-a6ce-50ce243f866d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9720fd43-f054-4828-a6ce-50ce243f866d/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9720fd43-f054-4828-a6ce-50ce243f866d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9720fd43-f054-4828-a6ce-50ce243f866d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9720fd43-f054-4828-a6ce-50ce243f866d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9720fd43-f054-4828-a6ce-50ce243f866d/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --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 aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:32:27,650 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:32:27,725 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9720fd43-f054-4828-a6ce-50ce243f866d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 03:32:27,731 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:32:27,732 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:32:27,761 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:32:27,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:32:27,763 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:32:27,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:32:27,764 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:32:27,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:32:27,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:32:27,764 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:32:27,764 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:32:27,765 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:32:27,765 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:32:27,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:32:27,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:32:27,765 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:32:27,766 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:32:27,766 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:32:27,766 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:32:27,766 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:32:27,766 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:32:27,767 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:32:27,767 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:32:27,767 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:32:27,767 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:32:27,767 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:32:27,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:32:27,768 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:32:27,768 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:32:27,768 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:32:27,768 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:32:27,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:32:27,769 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_9720fd43-f054-4828-a6ce-50ce243f866d/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 [2024-11-25 03:32:28,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:32:28,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:32:28,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:32:28,154 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:32:28,155 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:32:28,156 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9720fd43-f054-4828-a6ce-50ce243f866d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2024-11-25 03:32:31,259 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9720fd43-f054-4828-a6ce-50ce243f866d/bin/ukojak-verify-ENZ3QT5qd3/data/157de8803/685d8b50b97743a8af9c35f34d9b5c56/FLAG2e171cd7a [2024-11-25 03:32:31,586 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:32:31,587 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9720fd43-f054-4828-a6ce-50ce243f866d/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2024-11-25 03:32:31,595 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9720fd43-f054-4828-a6ce-50ce243f866d/bin/ukojak-verify-ENZ3QT5qd3/data/157de8803/685d8b50b97743a8af9c35f34d9b5c56/FLAG2e171cd7a [2024-11-25 03:32:31,610 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9720fd43-f054-4828-a6ce-50ce243f866d/bin/ukojak-verify-ENZ3QT5qd3/data/157de8803/685d8b50b97743a8af9c35f34d9b5c56 [2024-11-25 03:32:31,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:32:31,614 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:32:31,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:32:31,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:32:31,620 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:32:31,621 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:32:31" (1/1) ... [2024-11-25 03:32:31,622 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@514de51f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:31, skipping insertion in model container [2024-11-25 03:32:31,622 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:32:31" (1/1) ... [2024-11-25 03:32:31,650 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:32:31,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:32:31,886 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:32:31,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:32:31,961 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:32:31,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:31 WrapperNode [2024-11-25 03:32:31,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:32:31,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:32:31,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:32:31,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:32:31,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:31" (1/1) ... [2024-11-25 03:32:31,982 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:31" (1/1) ... [2024-11-25 03:32:32,011 INFO L138 Inliner]: procedures = 28, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 121 [2024-11-25 03:32:32,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:32:32,015 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:32:32,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:32:32,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:32:32,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:31" (1/1) ... [2024-11-25 03:32:32,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:31" (1/1) ... [2024-11-25 03:32:32,034 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:31" (1/1) ... [2024-11-25 03:32:32,034 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:31" (1/1) ... [2024-11-25 03:32:32,046 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:31" (1/1) ... [2024-11-25 03:32:32,051 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:31" (1/1) ... [2024-11-25 03:32:32,055 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:31" (1/1) ... [2024-11-25 03:32:32,061 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:31" (1/1) ... [2024-11-25 03:32:32,062 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:31" (1/1) ... [2024-11-25 03:32:32,069 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:32:32,069 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:32:32,073 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:32:32,073 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:32:32,074 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:32:31" (1/1) ... [2024-11-25 03:32:32,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:32:32,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9720fd43-f054-4828-a6ce-50ce243f866d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:32:32,126 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9720fd43-f054-4828-a6ce-50ce243f866d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:32:32,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9720fd43-f054-4828-a6ce-50ce243f866d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:32:32,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:32:32,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 03:32:32,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 03:32:32,164 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-25 03:32:32,165 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-25 03:32:32,165 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-25 03:32:32,166 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-25 03:32:32,166 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-25 03:32:32,167 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-25 03:32:32,167 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-25 03:32:32,167 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-25 03:32:32,168 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:32:32,168 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:32:32,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:32:32,169 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-11-25 03:32:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-11-25 03:32:32,169 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-11-25 03:32:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-11-25 03:32:32,169 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2024-11-25 03:32:32,169 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2024-11-25 03:32:32,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-25 03:32:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-25 03:32:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 03:32:32,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:32:32,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:32:32,172 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-25 03:32:32,362 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:32:32,366 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:32:32,959 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 03:32:32,959 INFO L283 CfgBuilder]: Performing block encoding