./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23192030-1461-4776-a14d-94398216d23f/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23192030-1461-4776-a14d-94398216d23f/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23192030-1461-4776-a14d-94398216d23f/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23192030-1461-4776-a14d-94398216d23f/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23192030-1461-4776-a14d-94398216d23f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23192030-1461-4776-a14d-94398216d23f/bin/ukojak-verify-ImItNfHLgk --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 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:19:10,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:19:10,968 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23192030-1461-4776-a14d-94398216d23f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-08 22:19:10,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:19:10,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:19:11,013 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:19:11,014 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:19:11,015 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:19:11,016 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:19:11,017 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:19:11,017 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:19:11,018 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:19:11,019 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:19:11,019 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:19:11,020 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:19:11,020 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:19:11,021 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:19:11,025 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:19:11,026 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:19:11,026 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:19:11,027 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:19:11,028 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:19:11,028 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:19:11,029 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:19:11,029 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:19:11,030 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:19:11,030 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:19:11,031 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:19:11,031 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:19:11,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:19:11,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:19:11,033 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:19:11,034 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:19:11,034 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:19:11,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:19:11,035 INFO L153 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_23192030-1461-4776-a14d-94398216d23f/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23192030-1461-4776-a14d-94398216d23f/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 [2024-11-08 22:19:11,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:19:11,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:19:11,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:19:11,416 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:19:11,417 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:19:11,420 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23192030-1461-4776-a14d-94398216d23f/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c Unable to find full path for "g++" [2024-11-08 22:19:14,024 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:19:14,308 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:19:14,309 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23192030-1461-4776-a14d-94398216d23f/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2024-11-08 22:19:14,320 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23192030-1461-4776-a14d-94398216d23f/bin/ukojak-verify-ImItNfHLgk/data/6e0363f79/29524794558b45789a24603f4351e482/FLAG68c7da31c [2024-11-08 22:19:14,338 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23192030-1461-4776-a14d-94398216d23f/bin/ukojak-verify-ImItNfHLgk/data/6e0363f79/29524794558b45789a24603f4351e482 [2024-11-08 22:19:14,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:19:14,344 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:19:14,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:19:14,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:19:14,353 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:19:14,354 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:19:14" (1/1) ... [2024-11-08 22:19:14,356 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62b51ccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:19:14, skipping insertion in model container [2024-11-08 22:19:14,356 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:19:14" (1/1) ... [2024-11-08 22:19:14,393 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:19:14,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:19:14,707 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:19:14,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:19:14,772 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:19:14,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:19:14 WrapperNode [2024-11-08 22:19:14,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:19:14,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:19:14,775 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:19:14,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:19:14,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:19:14" (1/1) ... [2024-11-08 22:19:14,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:19:14" (1/1) ... [2024-11-08 22:19:14,818 INFO L138 Inliner]: procedures = 25, calls = 41, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-11-08 22:19:14,819 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:19:14,820 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:19:14,820 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:19:14,820 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:19:14,832 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:19:14" (1/1) ... [2024-11-08 22:19:14,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:19:14" (1/1) ... [2024-11-08 22:19:14,836 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:19:14" (1/1) ... [2024-11-08 22:19:14,836 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:19:14" (1/1) ... [2024-11-08 22:19:14,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:19:14" (1/1) ... [2024-11-08 22:19:14,854 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:19:14" (1/1) ... [2024-11-08 22:19:14,856 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:19:14" (1/1) ... [2024-11-08 22:19:14,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:19:14" (1/1) ... [2024-11-08 22:19:14,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:19:14,862 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:19:14,863 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:19:14,863 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:19:14,864 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:19:14" (1/1) ... [2024-11-08 22:19:14,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:19:14,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23192030-1461-4776-a14d-94398216d23f/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:19:14,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23192030-1461-4776-a14d-94398216d23f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:19:14,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23192030-1461-4776-a14d-94398216d23f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:19:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:19:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-08 22:19:14,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-08 22:19:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-08 22:19:14,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-08 22:19:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-08 22:19:14,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-08 22:19:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:19:14,952 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:19:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:19:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2024-11-08 22:19:14,952 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2024-11-08 22:19:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:19:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-08 22:19:14,953 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-08 22:19:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 22:19:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 22:19:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 22:19:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:19:14,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:19:14,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:19:14,956 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 22:19:15,130 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:19:15,133 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:19:15,775 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 22:19:15,776 INFO L287 CfgBuilder]: Performing block encoding