./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_597f285e-67f3-46cb-a3c2-a13a1b1c5965/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_597f285e-67f3-46cb-a3c2-a13a1b1c5965/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_597f285e-67f3-46cb-a3c2-a13a1b1c5965/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_597f285e-67f3-46cb-a3c2-a13a1b1c5965/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_597f285e-67f3-46cb-a3c2-a13a1b1c5965/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_597f285e-67f3-46cb-a3c2-a13a1b1c5965/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --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 6fdb5189ea0a06d32886b44c2108d225ef2901fa5113fdc3856a252d0f653190 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:55:10,430 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:55:10,487 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_597f285e-67f3-46cb-a3c2-a13a1b1c5965/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:55:10,492 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:55:10,492 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:55:10,512 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:55:10,513 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:55:10,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:55:10,514 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:55:10,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:55:10,514 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:55:10,514 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:55:10,514 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:55:10,514 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:55:10,514 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:55:10,515 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:55:10,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:55:10,515 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:55:10,515 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:55:10,515 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:55:10,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:55:10,515 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:55:10,515 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:55:10,515 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:55:10,515 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:55:10,515 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:55:10,516 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:55:10,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:55:10,516 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:55:10,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:55:10,516 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:55:10,516 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:55:10,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:55:10,516 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_597f285e-67f3-46cb-a3c2-a13a1b1c5965/bin/ukojak-verify-CZk0znPC7b 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 ! 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 -> 6fdb5189ea0a06d32886b44c2108d225ef2901fa5113fdc3856a252d0f653190 [2024-12-05 21:55:10,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:55:10,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:55:10,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:55:10,769 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:55:10,769 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:55:10,770 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_597f285e-67f3-46cb-a3c2-a13a1b1c5965/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c [2024-12-05 21:55:13,441 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_597f285e-67f3-46cb-a3c2-a13a1b1c5965/bin/ukojak-verify-CZk0znPC7b/data/d031130dc/49ed844a3a1b45e38fca0fe17bbeca44/FLAG216d0a602 [2024-12-05 21:55:13,639 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:55:13,640 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_597f285e-67f3-46cb-a3c2-a13a1b1c5965/sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c [2024-12-05 21:55:13,649 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_597f285e-67f3-46cb-a3c2-a13a1b1c5965/bin/ukojak-verify-CZk0znPC7b/data/d031130dc/49ed844a3a1b45e38fca0fe17bbeca44/FLAG216d0a602 [2024-12-05 21:55:13,664 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_597f285e-67f3-46cb-a3c2-a13a1b1c5965/bin/ukojak-verify-CZk0znPC7b/data/d031130dc/49ed844a3a1b45e38fca0fe17bbeca44 [2024-12-05 21:55:13,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:55:13,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:55:13,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:55:13,669 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:55:13,673 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:55:13,674 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:55:13" (1/1) ... [2024-12-05 21:55:13,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18f58dcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:13, skipping insertion in model container [2024-12-05 21:55:13,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:55:13" (1/1) ... [2024-12-05 21:55:13,692 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:55:13,864 WARN L250 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_597f285e-67f3-46cb-a3c2-a13a1b1c5965/sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c[3221,3234] [2024-12-05 21:55:13,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:55:13,880 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:55:13,907 WARN L250 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_597f285e-67f3-46cb-a3c2-a13a1b1c5965/sv-benchmarks/c/weaver/popl20-bad-dot-product-alt.wvr.c[3221,3234] [2024-12-05 21:55:13,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:55:13,928 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:55:13,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:13 WrapperNode [2024-12-05 21:55:13,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:55:13,930 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:55:13,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:55:13,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:55:13,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:13" (1/1) ... [2024-12-05 21:55:13,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:13" (1/1) ... [2024-12-05 21:55:13,963 INFO L138 Inliner]: procedures = 27, calls = 59, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 83 [2024-12-05 21:55:13,964 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:55:13,964 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:55:13,964 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:55:13,964 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:55:13,972 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:13" (1/1) ... [2024-12-05 21:55:13,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:13" (1/1) ... [2024-12-05 21:55:13,975 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:13" (1/1) ... [2024-12-05 21:55:13,975 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:13" (1/1) ... [2024-12-05 21:55:13,985 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:13" (1/1) ... [2024-12-05 21:55:13,986 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:13" (1/1) ... [2024-12-05 21:55:13,990 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:13" (1/1) ... [2024-12-05 21:55:13,992 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:13" (1/1) ... [2024-12-05 21:55:13,993 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:13" (1/1) ... [2024-12-05 21:55:13,996 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:55:13,997 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:55:13,997 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:55:13,997 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:55:13,998 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:13" (1/1) ... [2024-12-05 21:55:14,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:55:14,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_597f285e-67f3-46cb-a3c2-a13a1b1c5965/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:55:14,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_597f285e-67f3-46cb-a3c2-a13a1b1c5965/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:55:14,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_597f285e-67f3-46cb-a3c2-a13a1b1c5965/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:55:14,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:55:14,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-05 21:55:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 21:55:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-12-05 21:55:14,055 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-12-05 21:55:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 21:55:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 21:55:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-05 21:55:14,055 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-05 21:55:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-05 21:55:14,055 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-05 21:55:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-05 21:55:14,055 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-05 21:55:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 21:55:14,055 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 21:55:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:55:14,055 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2024-12-05 21:55:14,056 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2024-12-05 21:55:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-05 21:55:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-05 21:55:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 21:55:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:55:14,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:55:14,057 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-05 21:55:14,161 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:55:14,163 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:55:14,492 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 21:55:14,492 INFO L283 CfgBuilder]: Performing block encoding