./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-prod-cons-eq.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_25981897-3bf7-4f11-b2da-1ab1e405a16e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25981897-3bf7-4f11-b2da-1ab1e405a16e/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_25981897-3bf7-4f11-b2da-1ab1e405a16e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25981897-3bf7-4f11-b2da-1ab1e405a16e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25981897-3bf7-4f11-b2da-1ab1e405a16e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25981897-3bf7-4f11-b2da-1ab1e405a16e/bin/ukojak-verify-CZk0znPC7b --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 3dfcb4860b3021904fb2e25e7c2a428c9bcb0d82c2290cad723458395a0647ea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:06:51,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:06:51,480 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25981897-3bf7-4f11-b2da-1ab1e405a16e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 03:06:51,484 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:06:51,485 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:06:51,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:06:51,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:06:51,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:06:51,505 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:06:51,505 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:06:51,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:06:51,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:06:51,505 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:06:51,505 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:06:51,505 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:06:51,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:06:51,505 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:06:51,505 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:06:51,506 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:06:51,506 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 03:06:51,506 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 03:06:51,506 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:06:51,506 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:06:51,506 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:06:51,506 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:06:51,506 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:06:51,506 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:06:51,506 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:06:51,506 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:06:51,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:06:51,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:06:51,507 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:06:51,507 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:06:51,507 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:06:51,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:06:51,507 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_25981897-3bf7-4f11-b2da-1ab1e405a16e/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 ! 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 -> 3dfcb4860b3021904fb2e25e7c2a428c9bcb0d82c2290cad723458395a0647ea [2024-12-06 03:06:51,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:06:51,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:06:51,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:06:51,761 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:06:51,761 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:06:51,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25981897-3bf7-4f11-b2da-1ab1e405a16e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c [2024-12-06 03:06:54,393 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25981897-3bf7-4f11-b2da-1ab1e405a16e/bin/ukojak-verify-CZk0znPC7b/data/2af8ac20a/a15ee504c37e4118a26a0ba28fa38b7d/FLAG48acd86e0 [2024-12-06 03:06:54,631 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:06:54,632 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25981897-3bf7-4f11-b2da-1ab1e405a16e/sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c [2024-12-06 03:06:54,641 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25981897-3bf7-4f11-b2da-1ab1e405a16e/bin/ukojak-verify-CZk0znPC7b/data/2af8ac20a/a15ee504c37e4118a26a0ba28fa38b7d/FLAG48acd86e0 [2024-12-06 03:06:54,978 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25981897-3bf7-4f11-b2da-1ab1e405a16e/bin/ukojak-verify-CZk0znPC7b/data/2af8ac20a/a15ee504c37e4118a26a0ba28fa38b7d [2024-12-06 03:06:54,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:06:54,981 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:06:54,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:06:54,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:06:54,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:06:54,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:06:54" (1/1) ... [2024-12-06 03:06:54,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d94b0a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:06:54, skipping insertion in model container [2024-12-06 03:06:54,987 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:06:54" (1/1) ... [2024-12-06 03:06:55,000 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:06:55,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:06:55,144 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:06:55,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:06:55,183 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:06:55,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:06:55 WrapperNode [2024-12-06 03:06:55,183 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:06:55,184 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:06:55,184 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:06:55,184 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:06:55,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:06:55" (1/1) ... [2024-12-06 03:06:55,195 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:06:55" (1/1) ... [2024-12-06 03:06:55,211 INFO L138 Inliner]: procedures = 27, calls = 68, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 142 [2024-12-06 03:06:55,211 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:06:55,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:06:55,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:06:55,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:06:55,217 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:06:55" (1/1) ... [2024-12-06 03:06:55,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:06:55" (1/1) ... [2024-12-06 03:06:55,220 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:06:55" (1/1) ... [2024-12-06 03:06:55,220 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:06:55" (1/1) ... [2024-12-06 03:06:55,229 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:06:55" (1/1) ... [2024-12-06 03:06:55,230 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:06:55" (1/1) ... [2024-12-06 03:06:55,234 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:06:55" (1/1) ... [2024-12-06 03:06:55,236 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:06:55" (1/1) ... [2024-12-06 03:06:55,237 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:06:55" (1/1) ... [2024-12-06 03:06:55,239 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:06:55,240 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:06:55,240 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:06:55,240 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:06:55,241 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:06:55" (1/1) ... [2024-12-06 03:06:55,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:06:55,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25981897-3bf7-4f11-b2da-1ab1e405a16e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:06:55,269 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25981897-3bf7-4f11-b2da-1ab1e405a16e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:06:55,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25981897-3bf7-4f11-b2da-1ab1e405a16e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:06:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:06:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-06 03:06:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 03:06:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-12-06 03:06:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-12-06 03:06:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 03:06:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 03:06:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-06 03:06:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-06 03:06:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-06 03:06:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-06 03:06:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-06 03:06:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-06 03:06:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 03:06:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 03:06:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:06:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-06 03:06:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-06 03:06:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-06 03:06:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:06:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:06:55,297 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-06 03:06:55,400 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:06:55,402 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:06:55,798 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-06 03:06:55,798 INFO L283 CfgBuilder]: Performing block encoding