./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/test-hard1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/test-hard1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL --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 34f393fd72a97393a0a39d407b9330aa7c1c7e210ad76310ea88c9427f882106 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:08:40,612 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:08:40,736 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 04:08:40,747 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:08:40,748 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:08:40,785 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:08:40,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:08:40,787 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:08:40,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:08:40,793 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:08:40,794 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:08:40,795 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:08:40,795 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:08:40,797 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:08:40,798 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:08:40,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:08:40,799 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:08:40,799 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:08:40,800 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:08:40,800 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:08:40,801 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:08:40,802 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:08:40,802 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:08:40,803 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:08:40,803 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:08:40,804 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:08:40,804 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:08:40,805 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:08:40,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:40,806 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:08:40,808 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:08:40,808 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:08:40,809 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:08:40,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:08:40,809 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:08:40,810 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_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34f393fd72a97393a0a39d407b9330aa7c1c7e210ad76310ea88c9427f882106 [2023-11-19 04:08:41,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:08:41,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:08:41,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:08:41,152 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:08:41,154 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:08:41,156 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/test-hard1.wvr.c [2023-11-19 04:08:44,299 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:08:44,505 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:08:44,505 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/sv-benchmarks/c/weaver/test-hard1.wvr.c [2023-11-19 04:08:44,516 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL/data/0c39b6660/1ec6d74ccb4f4d18b8bb5fe843b0d444/FLAG55ff16a22 [2023-11-19 04:08:44,530 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL/data/0c39b6660/1ec6d74ccb4f4d18b8bb5fe843b0d444 [2023-11-19 04:08:44,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:08:44,534 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:08:44,535 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:44,536 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:08:44,541 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:08:44,542 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:44" (1/1) ... [2023-11-19 04:08:44,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e90d4d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:44, skipping insertion in model container [2023-11-19 04:08:44,543 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:44" (1/1) ... [2023-11-19 04:08:44,572 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:08:44,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:44,778 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:08:44,809 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:44,822 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:08:44,822 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:08:44,830 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:08:44,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:44 WrapperNode [2023-11-19 04:08:44,831 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:44,832 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:44,832 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:08:44,832 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:08:44,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:44" (1/1) ... [2023-11-19 04:08:44,866 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:44" (1/1) ... [2023-11-19 04:08:44,894 INFO L138 Inliner]: procedures = 24, calls = 57, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 93 [2023-11-19 04:08:44,894 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:44,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:08:44,895 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:08:44,896 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:08:44,906 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:44" (1/1) ... [2023-11-19 04:08:44,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:44" (1/1) ... [2023-11-19 04:08:44,909 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:44" (1/1) ... [2023-11-19 04:08:44,910 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:44" (1/1) ... [2023-11-19 04:08:44,917 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:44" (1/1) ... [2023-11-19 04:08:44,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:44" (1/1) ... [2023-11-19 04:08:44,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:44" (1/1) ... [2023-11-19 04:08:44,925 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:44" (1/1) ... [2023-11-19 04:08:44,929 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:08:44,930 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:08:44,930 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:08:44,930 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:08:44,933 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:44" (1/1) ... [2023-11-19 04:08:44,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:44,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:08:44,979 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:08:45,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:08:45,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:08:45,026 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 04:08:45,026 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 04:08:45,026 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 04:08:45,027 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 04:08:45,027 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 04:08:45,028 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 04:08:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 04:08:45,028 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 04:08:45,028 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:08:45,028 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:08:45,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:08:45,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:08:45,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:08:45,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:08:45,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:08:45,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:08:45,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:08:45,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:08:45,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:08:45,034 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:08:45,180 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:08:45,182 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:08:45,495 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:08:45,685 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:08:45,685 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 04:08:45,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:45 BoogieIcfgContainer [2023-11-19 04:08:45,690 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:08:45,691 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:08:45,691 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:08:45,702 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:08:45,703 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:45" (1/1) ... [2023-11-19 04:08:45,704 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) [2023-11-19 04:08:45,709 INFO L158 Benchmark]: Toolchain (without parser) took 1173.82ms. Allocated memory is still 199.2MB. Free memory was 153.9MB in the beginning and 110.3MB in the end (delta: 43.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-19 04:08:45,709 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:08:45,710 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.51ms. Allocated memory is still 199.2MB. Free memory was 153.9MB in the beginning and 141.8MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:08:45,711 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.77ms. Allocated memory is still 199.2MB. Free memory was 141.8MB in the beginning and 140.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:08:45,746 INFO L158 Benchmark]: Boogie Preprocessor took 33.82ms. Allocated memory is still 199.2MB. Free memory was 140.0MB in the beginning and 138.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:08:45,747 INFO L158 Benchmark]: RCFGBuilder took 760.50ms. Allocated memory is still 199.2MB. Free memory was 138.5MB in the beginning and 111.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 04:08:45,747 INFO L158 Benchmark]: CodeCheck took 15.77ms. Allocated memory is still 199.2MB. Free memory was 111.2MB in the beginning and 110.3MB in the end (delta: 970.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:08:45,757 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 0.32ms. Allocated memory is still 134.2MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.51ms. Allocated memory is still 199.2MB. Free memory was 153.9MB in the beginning and 141.8MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.77ms. Allocated memory is still 199.2MB. Free memory was 141.8MB in the beginning and 140.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.82ms. Allocated memory is still 199.2MB. Free memory was 140.0MB in the beginning and 138.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 760.50ms. Allocated memory is still 199.2MB. Free memory was 138.5MB in the beginning and 111.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 15.77ms. Allocated memory is still 199.2MB. Free memory was 111.2MB in the beginning and 110.3MB in the end (delta: 970.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:08:45,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/test-hard1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL --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 34f393fd72a97393a0a39d407b9330aa7c1c7e210ad76310ea88c9427f882106 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:08:48,501 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:08:48,621 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 04:08:48,682 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:08:48,683 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:08:48,684 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:08:48,685 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:08:48,686 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:08:48,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:08:48,692 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:08:48,693 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:08:48,694 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:08:48,694 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:08:48,696 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:08:48,697 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:08:48,697 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:08:48,698 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:08:48,698 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:08:48,699 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:08:48,700 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:08:48,700 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:08:48,701 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:08:48,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:08:48,702 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:08:48,703 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:08:48,703 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:08:48,704 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:08:48,704 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:48,705 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:08:48,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:08:48,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:48,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:08:48,708 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:08:48,708 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:08:48,708 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:08:48,709 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:48,709 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:08:48,709 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:08:48,710 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:08:48,711 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_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34f393fd72a97393a0a39d407b9330aa7c1c7e210ad76310ea88c9427f882106 [2023-11-19 04:08:49,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:08:49,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:08:49,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:08:49,112 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:08:49,112 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:08:49,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/test-hard1.wvr.c [2023-11-19 04:08:52,132 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:08:52,451 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:08:52,452 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/sv-benchmarks/c/weaver/test-hard1.wvr.c [2023-11-19 04:08:52,463 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL/data/45c415807/053e6f2c984e47159724da840e1328c6/FLAG37ac4784a [2023-11-19 04:08:52,477 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL/data/45c415807/053e6f2c984e47159724da840e1328c6 [2023-11-19 04:08:52,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:08:52,482 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:08:52,483 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:52,483 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:08:52,489 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:08:52,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:52" (1/1) ... [2023-11-19 04:08:52,490 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d73c30f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:52, skipping insertion in model container [2023-11-19 04:08:52,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:52" (1/1) ... [2023-11-19 04:08:52,519 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:08:52,730 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:52,745 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:08:52,779 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:52,798 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:08:52,798 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:08:52,807 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:08:52,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:52 WrapperNode [2023-11-19 04:08:52,807 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:52,809 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:52,809 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:08:52,809 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:08:52,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:52" (1/1) ... [2023-11-19 04:08:52,844 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:52" (1/1) ... [2023-11-19 04:08:52,882 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 91 [2023-11-19 04:08:52,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:52,884 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:08:52,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:08:52,884 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:08:52,895 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:52" (1/1) ... [2023-11-19 04:08:52,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:52" (1/1) ... [2023-11-19 04:08:52,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:52" (1/1) ... [2023-11-19 04:08:52,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:52" (1/1) ... [2023-11-19 04:08:52,923 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:52" (1/1) ... [2023-11-19 04:08:52,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:52" (1/1) ... [2023-11-19 04:08:52,945 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:52" (1/1) ... [2023-11-19 04:08:52,946 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:52" (1/1) ... [2023-11-19 04:08:52,950 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:08:52,951 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:08:52,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:08:52,952 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:08:52,962 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:52" (1/1) ... [2023-11-19 04:08:52,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:52,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:08:53,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:08:53,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:08:53,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:08:53,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:08:53,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:08:53,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:08:53,057 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 04:08:53,057 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 04:08:53,057 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 04:08:53,058 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 04:08:53,058 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 04:08:53,058 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 04:08:53,058 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 04:08:53,058 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 04:08:53,058 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:08:53,059 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:08:53,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 04:08:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 04:08:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:08:53,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:08:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:08:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:08:53,063 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:08:53,248 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:08:53,252 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:08:53,682 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:08:53,834 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:08:53,834 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 04:08:53,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:53 BoogieIcfgContainer [2023-11-19 04:08:53,849 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:08:53,850 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:08:53,850 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:08:53,863 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:08:53,864 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:53" (1/1) ... [2023-11-19 04:08:53,865 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) [2023-11-19 04:08:53,872 INFO L158 Benchmark]: Toolchain (without parser) took 1388.68ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 46.0MB in the beginning and 63.3MB in the end (delta: -17.2MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2023-11-19 04:08:53,874 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 50.3MB. Free memory was 26.6MB in the beginning and 26.6MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:08:53,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.52ms. Allocated memory is still 69.2MB. Free memory was 45.8MB in the beginning and 48.8MB in the end (delta: -3.0MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2023-11-19 04:08:53,875 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.99ms. Allocated memory is still 69.2MB. Free memory was 48.8MB in the beginning and 47.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:08:53,877 INFO L158 Benchmark]: Boogie Preprocessor took 66.53ms. Allocated memory is still 69.2MB. Free memory was 47.0MB in the beginning and 45.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:08:53,878 INFO L158 Benchmark]: RCFGBuilder took 897.58ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 45.1MB in the beginning and 64.6MB in the end (delta: -19.5MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2023-11-19 04:08:53,879 INFO L158 Benchmark]: CodeCheck took 19.64ms. Allocated memory is still 88.1MB. Free memory was 64.2MB in the beginning and 63.3MB in the end (delta: 943.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:08:53,893 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 0.21ms. Allocated memory is still 50.3MB. Free memory was 26.6MB in the beginning and 26.6MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.52ms. Allocated memory is still 69.2MB. Free memory was 45.8MB in the beginning and 48.8MB in the end (delta: -3.0MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.99ms. Allocated memory is still 69.2MB. Free memory was 48.8MB in the beginning and 47.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.53ms. Allocated memory is still 69.2MB. Free memory was 47.0MB in the beginning and 45.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 897.58ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 45.1MB in the beginning and 64.6MB in the end (delta: -19.5MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * CodeCheck took 19.64ms. Allocated memory is still 88.1MB. Free memory was 64.2MB in the beginning and 63.3MB in the end (delta: 943.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:08:53,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02318b6c-f70e-4213-90aa-f8c0243f8bd0/bin/ukojak-verify-G8NBE6pJGL/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