./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.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_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/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_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/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_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/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 87e1a1d3acb3ee9b7a4a97eb7b14df31d5b38b7566b1218cea0dabfe5ec8ddbd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:26:45,386 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:26:45,517 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:26:45,528 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:26:45,530 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:26:45,575 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:26:45,576 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:26:45,577 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:26:45,578 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:26:45,584 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:26:45,585 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:26:45,585 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:26:45,586 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:26:45,588 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:26:45,588 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:26:45,589 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:26:45,589 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:26:45,590 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:26:45,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:26:45,591 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:26:45,591 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:26:45,592 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:26:45,592 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:26:45,593 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:26:45,594 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:26:45,594 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:26:45,595 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:26:45,595 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:26:45,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:26:45,596 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:26:45,598 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:26:45,598 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:26:45,598 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:26:45,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:26:45,599 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:26:45,599 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_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87e1a1d3acb3ee9b7a4a97eb7b14df31d5b38b7566b1218cea0dabfe5ec8ddbd [2023-11-23 20:26:45,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:26:46,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:26:46,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:26:46,040 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:26:46,040 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:26:46,042 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2023-11-23 20:26:49,357 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:26:49,628 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:26:49,629 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2023-11-23 20:26:49,640 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/bin/ukojak-verify-1t5iHCbJaC/data/9877c9e1b/5fbc804817e14150872918250cb416e6/FLAG7333fd304 [2023-11-23 20:26:49,662 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/bin/ukojak-verify-1t5iHCbJaC/data/9877c9e1b/5fbc804817e14150872918250cb416e6 [2023-11-23 20:26:49,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:26:49,671 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:26:49,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:26:49,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:26:49,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:26:49,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:49" (1/1) ... [2023-11-23 20:26:49,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21077cf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:49, skipping insertion in model container [2023-11-23 20:26:49,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:49" (1/1) ... [2023-11-23 20:26:49,717 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:26:49,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:26:49,932 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:26:49,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:26:49,966 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:26:49,966 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:26:49,975 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:26:49,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:49 WrapperNode [2023-11-23 20:26:49,976 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:26:49,977 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:26:49,978 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:26:49,978 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:26:49,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:49" (1/1) ... [2023-11-23 20:26:49,995 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:49" (1/1) ... [2023-11-23 20:26:50,018 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2023-11-23 20:26:50,019 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:26:50,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:26:50,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:26:50,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:26:50,032 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:49" (1/1) ... [2023-11-23 20:26:50,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:49" (1/1) ... [2023-11-23 20:26:50,042 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:49" (1/1) ... [2023-11-23 20:26:50,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:49" (1/1) ... [2023-11-23 20:26:50,050 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:49" (1/1) ... [2023-11-23 20:26:50,054 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:49" (1/1) ... [2023-11-23 20:26:50,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:49" (1/1) ... [2023-11-23 20:26:50,057 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:49" (1/1) ... [2023-11-23 20:26:50,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:26:50,061 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:26:50,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:26:50,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:26:50,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:49" (1/1) ... [2023-11-23 20:26:50,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:26:50,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:26:50,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:26:50,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:26:50,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:26:50,167 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 20:26:50,172 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 20:26:50,172 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 20:26:50,173 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 20:26:50,173 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:26:50,173 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:26:50,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:26:50,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:26:50,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:26:50,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:26:50,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:26:50,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:26:50,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:26:50,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:26:50,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:26:50,177 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 20:26:50,355 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:26:50,361 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:26:50,733 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:26:50,858 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:26:50,858 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:26:50,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:50 BoogieIcfgContainer [2023-11-23 20:26:50,860 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:26:50,861 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:26:50,862 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:26:50,873 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:26:50,874 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:50" (1/1) ... [2023-11-23 20:26:50,875 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 20:26:50,888 INFO L158 Benchmark]: Toolchain (without parser) took 1216.50ms. Allocated memory is still 151.0MB. Free memory was 106.6MB in the beginning and 117.9MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:26:50,889 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 104.9MB. Free memory was 74.3MB in the beginning and 74.2MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:26:50,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.67ms. Allocated memory is still 151.0MB. Free memory was 106.2MB in the beginning and 95.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:26:50,891 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.98ms. Allocated memory is still 151.0MB. Free memory was 95.3MB in the beginning and 94.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:26:50,892 INFO L158 Benchmark]: Boogie Preprocessor took 40.49ms. Allocated memory is still 151.0MB. Free memory was 94.1MB in the beginning and 92.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:26:50,893 INFO L158 Benchmark]: RCFGBuilder took 799.13ms. Allocated memory is still 151.0MB. Free memory was 92.4MB in the beginning and 118.7MB in the end (delta: -26.3MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2023-11-23 20:26:50,894 INFO L158 Benchmark]: CodeCheck took 24.90ms. Allocated memory is still 151.0MB. Free memory was 118.7MB in the beginning and 117.9MB in the end (delta: 816.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:26:50,898 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 0.37ms. Allocated memory is still 104.9MB. Free memory was 74.3MB in the beginning and 74.2MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.67ms. Allocated memory is still 151.0MB. Free memory was 106.2MB in the beginning and 95.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.98ms. Allocated memory is still 151.0MB. Free memory was 95.3MB in the beginning and 94.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.49ms. Allocated memory is still 151.0MB. Free memory was 94.1MB in the beginning and 92.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 799.13ms. Allocated memory is still 151.0MB. Free memory was 92.4MB in the beginning and 118.7MB in the end (delta: -26.3MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * CodeCheck took 24.90ms. Allocated memory is still 151.0MB. Free memory was 118.7MB in the beginning and 117.9MB in the end (delta: 816.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:26:50,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/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_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/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_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/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_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/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 87e1a1d3acb3ee9b7a4a97eb7b14df31d5b38b7566b1218cea0dabfe5ec8ddbd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:26:53,758 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:26:53,892 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:26:53,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:26:53,952 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:26:53,953 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:26:53,954 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:26:53,954 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:26:53,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:26:53,961 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:26:53,961 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:26:53,962 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:26:53,962 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:26:53,964 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:26:53,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:26:53,965 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:26:53,965 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:26:53,965 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:26:53,966 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:26:53,967 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:26:53,967 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:26:53,968 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:26:53,968 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:26:53,969 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:26:53,969 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:26:53,970 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:26:53,970 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:26:53,970 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:26:53,971 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:26:53,971 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:26:53,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:26:53,973 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:26:53,973 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:26:53,974 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:26:53,974 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:26:53,974 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:26:53,975 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:26:53,975 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:26:53,975 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:26:53,976 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_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87e1a1d3acb3ee9b7a4a97eb7b14df31d5b38b7566b1218cea0dabfe5ec8ddbd [2023-11-23 20:26:54,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:26:54,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:26:54,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:26:54,491 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:26:54,492 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:26:54,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2023-11-23 20:26:57,784 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:26:58,052 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:26:58,053 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/sv-benchmarks/c/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2023-11-23 20:26:58,065 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/bin/ukojak-verify-1t5iHCbJaC/data/8dbff52fe/54476f364cff4a54af0c7bfc76ea098a/FLAGc9aef91aa [2023-11-23 20:26:58,085 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/bin/ukojak-verify-1t5iHCbJaC/data/8dbff52fe/54476f364cff4a54af0c7bfc76ea098a [2023-11-23 20:26:58,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:26:58,095 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:26:58,101 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:26:58,101 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:26:58,107 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:26:58,108 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:58" (1/1) ... [2023-11-23 20:26:58,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e2cded1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:58, skipping insertion in model container [2023-11-23 20:26:58,110 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:58" (1/1) ... [2023-11-23 20:26:58,143 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:26:58,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:26:58,424 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:26:58,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:26:58,482 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:26:58,482 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:26:58,493 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:26:58,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:58 WrapperNode [2023-11-23 20:26:58,494 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:26:58,495 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:26:58,495 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:26:58,496 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:26:58,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:58" (1/1) ... [2023-11-23 20:26:58,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:58" (1/1) ... [2023-11-23 20:26:58,555 INFO L138 Inliner]: procedures = 23, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2023-11-23 20:26:58,556 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:26:58,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:26:58,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:26:58,558 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:26:58,571 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:58" (1/1) ... [2023-11-23 20:26:58,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:58" (1/1) ... [2023-11-23 20:26:58,589 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:58" (1/1) ... [2023-11-23 20:26:58,591 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:58" (1/1) ... [2023-11-23 20:26:58,599 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:58" (1/1) ... [2023-11-23 20:26:58,616 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:58" (1/1) ... [2023-11-23 20:26:58,618 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:58" (1/1) ... [2023-11-23 20:26:58,622 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:58" (1/1) ... [2023-11-23 20:26:58,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:26:58,636 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:26:58,636 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:26:58,637 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:26:58,638 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:58" (1/1) ... [2023-11-23 20:26:58,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:26:58,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:26:58,682 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:26:58,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:26:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:26:58,735 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 20:26:58,736 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 20:26:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 20:26:58,736 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 20:26:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:26:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:26:58,737 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:26:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:26:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:26:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:26:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:26:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:26:58,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:26:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:26:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:26:58,741 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 20:26:58,872 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:26:58,875 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:26:59,250 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:26:59,306 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:26:59,306 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:26:59,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:59 BoogieIcfgContainer [2023-11-23 20:26:59,308 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:26:59,309 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:26:59,309 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:26:59,320 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:26:59,320 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:59" (1/1) ... [2023-11-23 20:26:59,321 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 20:26:59,325 INFO L158 Benchmark]: Toolchain (without parser) took 1229.25ms. Allocated memory is still 98.6MB. Free memory was 74.5MB in the beginning and 66.7MB in the end (delta: 7.8MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2023-11-23 20:26:59,326 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 69.2MB. Free memory is still 45.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:26:59,327 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.04ms. Allocated memory is still 98.6MB. Free memory was 74.3MB in the beginning and 63.2MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:26:59,328 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.09ms. Allocated memory is still 98.6MB. Free memory was 63.2MB in the beginning and 61.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:26:59,329 INFO L158 Benchmark]: Boogie Preprocessor took 69.33ms. Allocated memory is still 98.6MB. Free memory was 61.6MB in the beginning and 60.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:26:59,330 INFO L158 Benchmark]: RCFGBuilder took 672.01ms. Allocated memory is still 98.6MB. Free memory was 60.1MB in the beginning and 67.3MB in the end (delta: -7.2MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2023-11-23 20:26:59,330 INFO L158 Benchmark]: CodeCheck took 14.66ms. Allocated memory is still 98.6MB. Free memory was 67.3MB in the beginning and 66.7MB in the end (delta: 576.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:26:59,335 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 0.31ms. Allocated memory is still 69.2MB. Free memory is still 45.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.04ms. Allocated memory is still 98.6MB. Free memory was 74.3MB in the beginning and 63.2MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.09ms. Allocated memory is still 98.6MB. Free memory was 63.2MB in the beginning and 61.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.33ms. Allocated memory is still 98.6MB. Free memory was 61.6MB in the beginning and 60.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 672.01ms. Allocated memory is still 98.6MB. Free memory was 60.1MB in the beginning and 67.3MB in the end (delta: -7.2MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * CodeCheck took 14.66ms. Allocated memory is still 98.6MB. Free memory was 67.3MB in the beginning and 66.7MB in the end (delta: 576.3kB). 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 20:26:59,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_656a0fba-da10-4d5b-aa93-9c1f51ff46c0/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