./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/spaghetti.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/spaghetti.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC --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 8451430e4d69b133c41912667dded61d19a596175a4065b8a2219f0d75763fd8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:06:26,605 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:06:26,776 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:06:26,782 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:06:26,783 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:06:26,810 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:06:26,811 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:06:26,812 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:06:26,813 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:06:26,814 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:06:26,815 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:06:26,815 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:06:26,816 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:06:26,817 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:06:26,818 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:06:26,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:06:26,819 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:06:26,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:06:26,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:06:26,821 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:06:26,821 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:06:26,826 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:06:26,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:06:26,827 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:06:26,828 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:06:26,828 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:06:26,829 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:06:26,829 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:06:26,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:06:26,830 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:06:26,831 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:06:26,831 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:06:26,832 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:06:26,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:06:26,833 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:06:26,833 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_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8451430e4d69b133c41912667dded61d19a596175a4065b8a2219f0d75763fd8 [2023-11-23 20:06:27,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:06:27,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:06:27,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:06:27,217 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:06:27,218 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:06:27,220 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/weaver/spaghetti.wvr.c [2023-11-23 20:06:30,930 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:06:31,339 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:06:31,340 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/sv-benchmarks/c/weaver/spaghetti.wvr.c [2023-11-23 20:06:31,352 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC/data/bc302e6a4/6debcda6b8b8454f9d8cf2ca582d31e5/FLAGa83228023 [2023-11-23 20:06:31,373 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC/data/bc302e6a4/6debcda6b8b8454f9d8cf2ca582d31e5 [2023-11-23 20:06:31,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:06:31,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:06:31,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:06:31,389 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:06:31,397 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:06:31,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:06:31" (1/1) ... [2023-11-23 20:06:31,399 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51caaa5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:31, skipping insertion in model container [2023-11-23 20:06:31,400 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:06:31" (1/1) ... [2023-11-23 20:06:31,443 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:06:31,745 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:06:31,767 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:06:31,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:06:31,836 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:31,836 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:31,846 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:06:31,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:31 WrapperNode [2023-11-23 20:06:31,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:06:31,848 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:06:31,849 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:06:31,849 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:06:31,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:31" (1/1) ... [2023-11-23 20:06:31,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:31" (1/1) ... [2023-11-23 20:06:31,932 INFO L138 Inliner]: procedures = 23, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 81 [2023-11-23 20:06:31,935 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:06:31,936 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:06:31,937 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:06:31,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:06:31,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:31" (1/1) ... [2023-11-23 20:06:31,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:31" (1/1) ... [2023-11-23 20:06:31,969 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:31" (1/1) ... [2023-11-23 20:06:31,970 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:31" (1/1) ... [2023-11-23 20:06:31,977 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:31" (1/1) ... [2023-11-23 20:06:31,994 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:31" (1/1) ... [2023-11-23 20:06:31,996 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:31" (1/1) ... [2023-11-23 20:06:32,008 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:31" (1/1) ... [2023-11-23 20:06:32,011 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:06:32,013 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:06:32,013 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:06:32,013 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:06:32,014 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:31" (1/1) ... [2023-11-23 20:06:32,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:06:32,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:06:32,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:06:32,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:06:32,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:06:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 20:06:32,114 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 20:06:32,114 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 20:06:32,115 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 20:06:32,115 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-23 20:06:32,115 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-23 20:06:32,116 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-23 20:06:32,116 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-23 20:06:32,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:06:32,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:06:32,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:06:32,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:06:32,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:06:32,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:06:32,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:06:32,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:06:32,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:06:32,121 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:06:32,310 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:06:32,313 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:06:32,594 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:06:32,621 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:06:32,622 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-23 20:06:32,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:06:32 BoogieIcfgContainer [2023-11-23 20:06:32,624 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:06:32,626 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:06:32,626 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:06:32,639 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:06:32,639 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:06:32" (1/1) ... [2023-11-23 20:06:32,641 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) [2023-11-23 20:06:32,646 INFO L158 Benchmark]: Toolchain (without parser) took 1258.23ms. Allocated memory is still 186.6MB. Free memory was 154.8MB in the beginning and 122.6MB in the end (delta: 32.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-23 20:06:32,647 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 130.0MB. Free memory was 87.9MB in the beginning and 87.8MB in the end (delta: 70.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:06:32,648 INFO L158 Benchmark]: CACSL2BoogieTranslator took 458.22ms. Allocated memory is still 186.6MB. Free memory was 154.5MB in the beginning and 143.1MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:06:32,649 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.38ms. Allocated memory is still 186.6MB. Free memory was 143.1MB in the beginning and 141.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:06:32,650 INFO L158 Benchmark]: Boogie Preprocessor took 75.41ms. Allocated memory is still 186.6MB. Free memory was 141.5MB in the beginning and 139.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:06:32,651 INFO L158 Benchmark]: RCFGBuilder took 611.87ms. Allocated memory is still 186.6MB. Free memory was 139.9MB in the beginning and 123.9MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:06:32,652 INFO L158 Benchmark]: CodeCheck took 18.41ms. Allocated memory is still 186.6MB. Free memory was 123.9MB in the beginning and 122.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:06:32,656 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 0.40ms. Allocated memory is still 130.0MB. Free memory was 87.9MB in the beginning and 87.8MB in the end (delta: 70.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 458.22ms. Allocated memory is still 186.6MB. Free memory was 154.5MB in the beginning and 143.1MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.38ms. Allocated memory is still 186.6MB. Free memory was 143.1MB in the beginning and 141.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.41ms. Allocated memory is still 186.6MB. Free memory was 141.5MB in the beginning and 139.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 611.87ms. Allocated memory is still 186.6MB. Free memory was 139.9MB in the beginning and 123.9MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 18.41ms. Allocated memory is still 186.6MB. Free memory was 123.9MB in the beginning and 122.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:06:32,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC/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_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/spaghetti.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC --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 8451430e4d69b133c41912667dded61d19a596175a4065b8a2219f0d75763fd8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:06:35,990 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:06:36,175 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:06:36,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:06:36,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:06:36,240 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:06:36,241 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:06:36,242 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:06:36,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:06:36,251 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:06:36,252 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:06:36,252 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:06:36,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:06:36,255 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:06:36,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:06:36,256 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:06:36,257 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:06:36,258 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:06:36,258 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:06:36,260 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:06:36,260 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:06:36,261 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:06:36,262 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:06:36,262 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:06:36,263 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:06:36,264 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:06:36,264 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:06:36,265 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:06:36,265 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:06:36,266 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:06:36,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:06:36,268 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:06:36,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:06:36,269 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:06:36,270 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:06:36,270 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:06:36,271 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:06:36,271 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:06:36,271 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:06:36,273 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_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8451430e4d69b133c41912667dded61d19a596175a4065b8a2219f0d75763fd8 [2023-11-23 20:06:36,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:06:36,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:06:36,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:06:36,850 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:06:36,851 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:06:36,853 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/weaver/spaghetti.wvr.c [2023-11-23 20:06:40,993 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:06:41,387 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:06:41,388 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/sv-benchmarks/c/weaver/spaghetti.wvr.c [2023-11-23 20:06:41,398 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC/data/149ddde11/bd45d644f3494182a040a15eff3f3711/FLAG322f50420 [2023-11-23 20:06:41,415 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC/data/149ddde11/bd45d644f3494182a040a15eff3f3711 [2023-11-23 20:06:41,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:06:41,420 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:06:41,422 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:06:41,422 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:06:41,428 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:06:41,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:06:41" (1/1) ... [2023-11-23 20:06:41,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ae4b895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:41, skipping insertion in model container [2023-11-23 20:06:41,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:06:41" (1/1) ... [2023-11-23 20:06:41,463 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:06:41,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:06:41,806 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:06:41,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:06:41,891 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:41,891 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:06:41,901 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:06:41,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:41 WrapperNode [2023-11-23 20:06:41,902 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:06:41,904 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:06:41,904 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:06:41,905 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:06:41,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:41" (1/1) ... [2023-11-23 20:06:41,945 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:41" (1/1) ... [2023-11-23 20:06:41,986 INFO L138 Inliner]: procedures = 25, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 81 [2023-11-23 20:06:41,987 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:06:41,988 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:06:41,989 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:06:41,990 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:06:42,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:41" (1/1) ... [2023-11-23 20:06:42,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:41" (1/1) ... [2023-11-23 20:06:42,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:41" (1/1) ... [2023-11-23 20:06:42,035 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:41" (1/1) ... [2023-11-23 20:06:42,044 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:41" (1/1) ... [2023-11-23 20:06:42,062 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:41" (1/1) ... [2023-11-23 20:06:42,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:41" (1/1) ... [2023-11-23 20:06:42,077 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:41" (1/1) ... [2023-11-23 20:06:42,081 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:06:42,083 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:06:42,088 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:06:42,089 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:06:42,090 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:41" (1/1) ... [2023-11-23 20:06:42,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:06:42,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:06:42,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:06:42,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:06:42,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:06:42,208 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 20:06:42,208 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 20:06:42,209 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 20:06:42,209 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 20:06:42,209 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-23 20:06:42,210 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-23 20:06:42,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:06:42,210 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-23 20:06:42,211 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-23 20:06:42,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:06:42,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:06:42,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:06:42,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:06:42,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:06:42,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:06:42,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:06:42,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:06:42,218 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:06:42,405 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:06:42,408 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:06:42,827 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:06:42,857 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:06:42,857 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-23 20:06:42,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:06:42 BoogieIcfgContainer [2023-11-23 20:06:42,860 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:06:42,861 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:06:42,861 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:06:42,873 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:06:42,874 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:06:42" (1/1) ... [2023-11-23 20:06:42,875 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) [2023-11-23 20:06:42,881 INFO L158 Benchmark]: Toolchain (without parser) took 1459.85ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 45.0MB in the beginning and 50.0MB in the end (delta: -5.1MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2023-11-23 20:06:42,882 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 69.2MB. Free memory was 44.7MB in the beginning and 44.6MB in the end (delta: 111.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:06:42,883 INFO L158 Benchmark]: CACSL2BoogieTranslator took 480.87ms. Allocated memory is still 69.2MB. Free memory was 44.8MB in the beginning and 33.1MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:06:42,884 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.29ms. Allocated memory is still 69.2MB. Free memory was 33.1MB in the beginning and 31.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:06:42,886 INFO L158 Benchmark]: Boogie Preprocessor took 93.70ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 31.3MB in the beginning and 68.4MB in the end (delta: -37.1MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-11-23 20:06:42,887 INFO L158 Benchmark]: RCFGBuilder took 777.07ms. Allocated memory is still 90.2MB. Free memory was 68.4MB in the beginning and 51.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:06:42,888 INFO L158 Benchmark]: CodeCheck took 18.03ms. Allocated memory is still 90.2MB. Free memory was 51.1MB in the beginning and 50.5MB in the end (delta: 577.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:06:42,893 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 0.36ms. Allocated memory is still 69.2MB. Free memory was 44.7MB in the beginning and 44.6MB in the end (delta: 111.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 480.87ms. Allocated memory is still 69.2MB. Free memory was 44.8MB in the beginning and 33.1MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.29ms. Allocated memory is still 69.2MB. Free memory was 33.1MB in the beginning and 31.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 93.70ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 31.3MB in the beginning and 68.4MB in the end (delta: -37.1MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * RCFGBuilder took 777.07ms. Allocated memory is still 90.2MB. Free memory was 68.4MB in the beginning and 51.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 18.03ms. Allocated memory is still 90.2MB. Free memory was 51.1MB in the beginning and 50.5MB in the end (delta: 577.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:06:42,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13b99c4a-8565-4499-8c1e-72d6b1bd2ce8/bin/ukojak-verify-1t5iHCbJaC/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