./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/test-easy8.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/test-easy8.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi --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 8f1ab1ba58134315bb95f4d7907dcf46708a987e1262dae752b0729e60618d99 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:09:02,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:09:02,960 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:09:02,964 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:09:02,965 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:09:03,009 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:09:03,012 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:09:03,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:09:03,014 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:09:03,019 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:09:03,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:09:03,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:09:03,021 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:09:03,023 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:09:03,023 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:09:03,024 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:09:03,024 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:09:03,025 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:09:03,025 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:09:03,026 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:09:03,026 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:09:03,027 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:09:03,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:09:03,028 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:09:03,029 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:09:03,029 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:09:03,030 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:09:03,030 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:09:03,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:03,031 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:09:03,032 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:09:03,033 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:09:03,033 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:09:03,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:09:03,034 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:09:03,034 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_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f1ab1ba58134315bb95f4d7907dcf46708a987e1262dae752b0729e60618d99 [2023-11-24 23:09:03,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:09:03,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:09:03,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:09:03,346 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:09:03,347 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:09:03,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/test-easy8.wvr.c [2023-11-24 23:09:06,441 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:09:06,664 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:09:06,665 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/sv-benchmarks/c/weaver/test-easy8.wvr.c [2023-11-24 23:09:06,674 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi/data/086f68da2/91237c50eefc468aa3b3c7aacadc116d/FLAG0a0f4f846 [2023-11-24 23:09:06,687 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi/data/086f68da2/91237c50eefc468aa3b3c7aacadc116d [2023-11-24 23:09:06,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:09:06,690 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:09:06,692 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:06,692 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:09:06,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:09:06,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:06" (1/1) ... [2023-11-24 23:09:06,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c386a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:06, skipping insertion in model container [2023-11-24 23:09:06,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:06" (1/1) ... [2023-11-24 23:09:06,724 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:09:06,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:06,889 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:09:06,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:06,916 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:09:06,916 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:09:06,924 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:09:06,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:06 WrapperNode [2023-11-24 23:09:06,925 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:06,926 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:06,926 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:09:06,927 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:09:06,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:06" (1/1) ... [2023-11-24 23:09:06,946 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:06" (1/1) ... [2023-11-24 23:09:06,972 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2023-11-24 23:09:06,973 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:06,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:09:06,974 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:09:06,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:09:06,984 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:06" (1/1) ... [2023-11-24 23:09:06,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:06" (1/1) ... [2023-11-24 23:09:06,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:06" (1/1) ... [2023-11-24 23:09:06,996 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:06" (1/1) ... [2023-11-24 23:09:07,010 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:06" (1/1) ... [2023-11-24 23:09:07,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:06" (1/1) ... [2023-11-24 23:09:07,016 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:06" (1/1) ... [2023-11-24 23:09:07,017 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:06" (1/1) ... [2023-11-24 23:09:07,020 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:09:07,021 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:09:07,021 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:09:07,021 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:09:07,022 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:06" (1/1) ... [2023-11-24 23:09:07,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:07,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:09:07,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:09:07,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:09:07,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:09:07,103 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 23:09:07,104 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 23:09:07,104 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 23:09:07,104 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 23:09:07,104 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:09:07,104 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:09:07,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:09:07,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:09:07,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:09:07,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:09:07,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:09:07,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:09:07,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:09:07,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:09:07,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:09:07,108 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 23:09:07,206 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:09:07,208 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:09:07,366 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:09:07,405 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:09:07,405 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:09:07,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:07 BoogieIcfgContainer [2023-11-24 23:09:07,407 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:09:07,408 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:09:07,409 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:09:07,417 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:09:07,417 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:07" (1/1) ... [2023-11-24 23:09:07,418 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:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-11-24 23:09:07,422 INFO L158 Benchmark]: Toolchain (without parser) took 730.61ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 76.3MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-24 23:09:07,423 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:09:07,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.49ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 93.2MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:09:07,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.39ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 91.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:09:07,425 INFO L158 Benchmark]: Boogie Preprocessor took 45.68ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 90.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:09:07,426 INFO L158 Benchmark]: RCFGBuilder took 386.97ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 77.3MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:09:07,427 INFO L158 Benchmark]: CodeCheck took 11.81ms. Allocated memory is still 142.6MB. Free memory was 77.1MB in the beginning and 76.3MB in the end (delta: 772.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:09:07,432 INFO L338 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:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.49ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 93.2MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.39ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 91.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.68ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 90.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 386.97ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 77.3MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 11.81ms. Allocated memory is still 142.6MB. Free memory was 77.1MB in the beginning and 76.3MB in the end (delta: 772.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:09:07,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/test-easy8.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi --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 8f1ab1ba58134315bb95f4d7907dcf46708a987e1262dae752b0729e60618d99 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:09:10,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:09:10,261 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-24 23:09:10,311 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:09:10,313 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:09:10,313 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:09:10,314 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:09:10,315 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:09:10,316 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:09:10,321 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:09:10,322 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:09:10,322 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:09:10,323 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:09:10,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:09:10,325 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:09:10,325 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:09:10,326 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:09:10,326 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:09:10,327 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:09:10,328 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:09:10,328 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:09:10,329 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:09:10,329 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:09:10,330 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:09:10,330 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:09:10,330 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:09:10,331 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:09:10,331 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:09:10,332 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:09:10,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:09:10,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:10,334 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:09:10,334 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:09:10,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:09:10,335 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:09:10,335 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:09:10,335 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:09:10,336 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:09:10,336 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:09:10,337 INFO L153 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_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f1ab1ba58134315bb95f4d7907dcf46708a987e1262dae752b0729e60618d99 [2023-11-24 23:09:10,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:09:10,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:09:10,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:09:10,846 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:09:10,846 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:09:10,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/test-easy8.wvr.c [2023-11-24 23:09:14,011 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:09:14,323 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:09:14,323 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/sv-benchmarks/c/weaver/test-easy8.wvr.c [2023-11-24 23:09:14,330 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi/data/285e8bde5/0c3efd393718476fb315d06ba803af16/FLAG279a29e48 [2023-11-24 23:09:14,344 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi/data/285e8bde5/0c3efd393718476fb315d06ba803af16 [2023-11-24 23:09:14,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:09:14,348 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:09:14,350 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:14,350 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:09:14,355 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:09:14,356 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:14" (1/1) ... [2023-11-24 23:09:14,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@554e1f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:14, skipping insertion in model container [2023-11-24 23:09:14,358 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:14" (1/1) ... [2023-11-24 23:09:14,380 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:09:14,543 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:14,558 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:09:14,578 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:14,588 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:09:14,588 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:09:14,596 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:09:14,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:14 WrapperNode [2023-11-24 23:09:14,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:14,598 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:14,599 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:09:14,599 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:09:14,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:14" (1/1) ... [2023-11-24 23:09:14,616 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:14" (1/1) ... [2023-11-24 23:09:14,636 INFO L138 Inliner]: procedures = 23, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2023-11-24 23:09:14,637 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:14,638 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:09:14,638 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:09:14,638 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:09:14,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:14" (1/1) ... [2023-11-24 23:09:14,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:14" (1/1) ... [2023-11-24 23:09:14,651 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:14" (1/1) ... [2023-11-24 23:09:14,652 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:14" (1/1) ... [2023-11-24 23:09:14,659 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:14" (1/1) ... [2023-11-24 23:09:14,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:14" (1/1) ... [2023-11-24 23:09:14,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:14" (1/1) ... [2023-11-24 23:09:14,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:14" (1/1) ... [2023-11-24 23:09:14,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:09:14,672 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:09:14,673 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:09:14,673 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:09:14,676 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:14" (1/1) ... [2023-11-24 23:09:14,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:14,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:09:14,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:09:14,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:09:14,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:09:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 23:09:14,829 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 23:09:14,829 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 23:09:14,830 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 23:09:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:09:14,830 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:09:14,830 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:09:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:09:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:09:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:09:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:09:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:09:14,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:09:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:09:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:09:14,835 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 23:09:14,998 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:09:15,001 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:09:15,286 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:09:15,335 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:09:15,335 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:09:15,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:15 BoogieIcfgContainer [2023-11-24 23:09:15,337 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:09:15,338 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:09:15,338 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:09:15,348 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:09:15,349 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:15" (1/1) ... [2023-11-24 23:09:15,350 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:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-11-24 23:09:15,354 INFO L158 Benchmark]: Toolchain (without parser) took 1004.90ms. Allocated memory was 77.6MB in the beginning and 111.1MB in the end (delta: 33.6MB). Free memory was 53.0MB in the beginning and 77.2MB in the end (delta: -24.2MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2023-11-24 23:09:15,355 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 77.6MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:09:15,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.90ms. Allocated memory is still 77.6MB. Free memory was 52.9MB in the beginning and 41.6MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:09:15,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.68ms. Allocated memory is still 77.6MB. Free memory was 41.6MB in the beginning and 39.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:09:15,357 INFO L158 Benchmark]: Boogie Preprocessor took 34.03ms. Allocated memory is still 77.6MB. Free memory was 39.9MB in the beginning and 38.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:09:15,358 INFO L158 Benchmark]: RCFGBuilder took 664.73ms. Allocated memory was 77.6MB in the beginning and 111.1MB in the end (delta: 33.6MB). Free memory was 38.5MB in the beginning and 78.1MB in the end (delta: -39.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:09:15,358 INFO L158 Benchmark]: CodeCheck took 14.49ms. Allocated memory is still 111.1MB. Free memory was 78.1MB in the beginning and 77.2MB in the end (delta: 930.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:09:15,362 INFO L338 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:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 77.6MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.90ms. Allocated memory is still 77.6MB. Free memory was 52.9MB in the beginning and 41.6MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.68ms. Allocated memory is still 77.6MB. Free memory was 41.6MB in the beginning and 39.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.03ms. Allocated memory is still 77.6MB. Free memory was 39.9MB in the beginning and 38.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 664.73ms. Allocated memory was 77.6MB in the beginning and 111.1MB in the end (delta: 33.6MB). Free memory was 38.5MB in the beginning and 78.1MB in the end (delta: -39.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 14.49ms. Allocated memory is still 111.1MB. Free memory was 78.1MB in the beginning and 77.2MB in the end (delta: 930.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:09:15,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f1bad4a-209c-4404-ba69-0aa4fa46c6d2/bin/ukojak-verify-afCqCEvfdi/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