./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2 --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 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:45:11,958 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:45:12,031 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:45:12,036 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:45:12,036 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:45:12,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:45:12,065 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:45:12,066 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:45:12,067 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:45:12,067 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:45:12,068 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:45:12,069 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:45:12,069 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:45:12,070 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:45:12,071 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:45:12,071 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:45:12,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:45:12,073 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:45:12,073 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:45:12,074 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:45:12,074 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:45:12,075 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:45:12,076 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:45:12,077 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:45:12,077 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:45:12,078 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:45:12,078 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:45:12,079 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:45:12,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:45:12,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:45:12,081 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:45:12,082 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:45:12,082 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:45:12,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:45:12,084 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:45:12,084 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_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 [2023-11-21 18:45:12,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:45:12,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:45:12,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:45:12,424 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:45:12,425 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:45:12,427 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-11-21 18:45:15,968 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:45:16,287 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:45:16,288 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-11-21 18:45:16,301 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2/data/b96429d81/27232f28d37c456aa72cf7b555967ebf/FLAG6beb638ef [2023-11-21 18:45:16,325 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2/data/b96429d81/27232f28d37c456aa72cf7b555967ebf [2023-11-21 18:45:16,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:45:16,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:45:16,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:45:16,345 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:45:16,353 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:45:16,354 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:45:16" (1/1) ... [2023-11-21 18:45:16,356 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c2014d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:16, skipping insertion in model container [2023-11-21 18:45:16,356 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:45:16" (1/1) ... [2023-11-21 18:45:16,394 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:45:16,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:45:16,684 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:45:16,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:45:16,734 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:45:16,735 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:45:16,743 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:45:16,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:16 WrapperNode [2023-11-21 18:45:16,744 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:45:16,745 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:45:16,746 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:45:16,746 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:45:16,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:16" (1/1) ... [2023-11-21 18:45:16,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:16" (1/1) ... [2023-11-21 18:45:16,802 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2023-11-21 18:45:16,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:45:16,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:45:16,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:45:16,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:45:16,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:16" (1/1) ... [2023-11-21 18:45:16,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:16" (1/1) ... [2023-11-21 18:45:16,820 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:16" (1/1) ... [2023-11-21 18:45:16,821 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:16" (1/1) ... [2023-11-21 18:45:16,838 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:16" (1/1) ... [2023-11-21 18:45:16,850 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:16" (1/1) ... [2023-11-21 18:45:16,852 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:16" (1/1) ... [2023-11-21 18:45:16,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:16" (1/1) ... [2023-11-21 18:45:16,857 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:45:16,861 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:45:16,862 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:45:16,862 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:45:16,863 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:16" (1/1) ... [2023-11-21 18:45:16,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:45:16,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:45:16,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:45:16,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:45:16,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:45:16,943 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:45:16,944 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:45:16,944 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:45:16,945 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:45:16,945 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:45:16,945 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:45:16,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:45:16,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:45:16,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:45:16,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:45:16,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:45:16,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:45:16,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:45:16,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:45:16,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:45:16,950 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:45:17,110 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:45:17,114 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:45:17,416 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:45:17,526 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:45:17,526 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:45:17,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:45:17 BoogieIcfgContainer [2023-11-21 18:45:17,529 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:45:17,530 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:45:17,530 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:45:17,541 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:45:17,541 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:45:17" (1/1) ... [2023-11-21 18:45:17,542 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) [2023-11-21 18:45:17,546 INFO L158 Benchmark]: Toolchain (without parser) took 1205.94ms. Allocated memory is still 151.0MB. Free memory was 110.5MB in the beginning and 75.8MB in the end (delta: 34.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-21 18:45:17,547 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 151.0MB. Free memory is still 121.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:45:17,548 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.16ms. Allocated memory is still 151.0MB. Free memory was 110.5MB in the beginning and 99.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:45:17,549 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.97ms. Allocated memory is still 151.0MB. Free memory was 99.5MB in the beginning and 98.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:45:17,549 INFO L158 Benchmark]: Boogie Preprocessor took 56.17ms. Allocated memory is still 151.0MB. Free memory was 98.0MB in the beginning and 96.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:45:17,550 INFO L158 Benchmark]: RCFGBuilder took 667.61ms. Allocated memory is still 151.0MB. Free memory was 96.4MB in the beginning and 77.0MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 18:45:17,551 INFO L158 Benchmark]: CodeCheck took 15.05ms. Allocated memory is still 151.0MB. Free memory was 77.0MB in the beginning and 75.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:45:17,554 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 151.0MB. Free memory is still 121.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.16ms. Allocated memory is still 151.0MB. Free memory was 110.5MB in the beginning and 99.5MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.97ms. Allocated memory is still 151.0MB. Free memory was 99.5MB in the beginning and 98.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.17ms. Allocated memory is still 151.0MB. Free memory was 98.0MB in the beginning and 96.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 667.61ms. Allocated memory is still 151.0MB. Free memory was 96.4MB in the beginning and 77.0MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 15.05ms. Allocated memory is still 151.0MB. Free memory was 77.0MB in the beginning and 75.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:45:17,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2 --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 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:45:20,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:45:20,392 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:45:20,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:45:20,457 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:45:20,458 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:45:20,459 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:45:20,460 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:45:20,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:45:20,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:45:20,468 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:45:20,468 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:45:20,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:45:20,471 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:45:20,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:45:20,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:45:20,473 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:45:20,473 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:45:20,474 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:45:20,475 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:45:20,476 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:45:20,477 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:45:20,477 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:45:20,478 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:45:20,478 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:45:20,479 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:45:20,479 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:45:20,480 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:45:20,481 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:45:20,481 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:45:20,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:45:20,483 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:45:20,484 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:45:20,484 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:45:20,485 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:45:20,485 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:45:20,485 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:45:20,486 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:45:20,486 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:45:20,488 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_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ead2366baa94ec77674f75cd829f45857f5651e204e91d33a749a2af2868461 [2023-11-21 18:45:20,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:45:20,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:45:20,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:45:20,969 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:45:20,969 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:45:20,971 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-11-21 18:45:24,434 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:45:24,728 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:45:24,729 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/sv-benchmarks/c/weaver/popl20-nonblocking-cntr-alt.wvr.c [2023-11-21 18:45:24,743 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2/data/abb691af8/8f60bd2911f448519c4ae65ffd14429d/FLAGb5a5ef5e3 [2023-11-21 18:45:24,768 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2/data/abb691af8/8f60bd2911f448519c4ae65ffd14429d [2023-11-21 18:45:24,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:45:24,780 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:45:24,790 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:45:24,791 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:45:24,796 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:45:24,797 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:45:24" (1/1) ... [2023-11-21 18:45:24,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79e9c4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:24, skipping insertion in model container [2023-11-21 18:45:24,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:45:24" (1/1) ... [2023-11-21 18:45:24,837 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:45:25,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:45:25,159 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:45:25,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:45:25,227 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:45:25,232 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:45:25,241 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:45:25,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:25 WrapperNode [2023-11-21 18:45:25,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:45:25,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:45:25,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:45:25,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:45:25,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:25" (1/1) ... [2023-11-21 18:45:25,282 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:25" (1/1) ... [2023-11-21 18:45:25,314 INFO L138 Inliner]: procedures = 23, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 54 [2023-11-21 18:45:25,315 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:45:25,316 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:45:25,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:45:25,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:45:25,329 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:25" (1/1) ... [2023-11-21 18:45:25,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:25" (1/1) ... [2023-11-21 18:45:25,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:25" (1/1) ... [2023-11-21 18:45:25,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:25" (1/1) ... [2023-11-21 18:45:25,383 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:25" (1/1) ... [2023-11-21 18:45:25,399 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:25" (1/1) ... [2023-11-21 18:45:25,402 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:25" (1/1) ... [2023-11-21 18:45:25,404 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:25" (1/1) ... [2023-11-21 18:45:25,423 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:45:25,431 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:45:25,431 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:45:25,432 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:45:25,433 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:25" (1/1) ... [2023-11-21 18:45:25,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:45:25,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:45:25,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:45:25,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:45:25,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:45:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:45:25,563 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:45:25,563 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:45:25,563 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:45:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:45:25,564 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:45:25,564 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:45:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:45:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:45:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:45:25,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:45:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:45:25,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:45:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:45:25,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:45:25,568 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:45:25,697 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:45:25,700 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:45:25,986 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:45:26,140 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:45:26,141 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:45:26,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:45:26 BoogieIcfgContainer [2023-11-21 18:45:26,143 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:45:26,145 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:45:26,146 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:45:26,156 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:45:26,157 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:45:26" (1/1) ... [2023-11-21 18:45:26,158 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) [2023-11-21 18:45:26,165 INFO L158 Benchmark]: Toolchain (without parser) took 1384.02ms. Allocated memory was 75.5MB in the beginning and 109.1MB in the end (delta: 33.6MB). Free memory was 51.1MB in the beginning and 63.8MB in the end (delta: -12.7MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2023-11-21 18:45:26,167 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 75.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:45:26,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 452.56ms. Allocated memory is still 75.5MB. Free memory was 51.0MB in the beginning and 39.4MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 18:45:26,169 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.90ms. Allocated memory is still 75.5MB. Free memory was 39.4MB in the beginning and 37.8MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:45:26,171 INFO L158 Benchmark]: Boogie Preprocessor took 114.48ms. Allocated memory was 75.5MB in the beginning and 109.1MB in the end (delta: 33.6MB). Free memory was 37.8MB in the beginning and 87.2MB in the end (delta: -49.4MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2023-11-21 18:45:26,173 INFO L158 Benchmark]: RCFGBuilder took 712.00ms. Allocated memory is still 109.1MB. Free memory was 87.2MB in the beginning and 64.6MB in the end (delta: 22.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 18:45:26,174 INFO L158 Benchmark]: CodeCheck took 17.62ms. Allocated memory is still 109.1MB. Free memory was 64.6MB in the beginning and 63.8MB in the end (delta: 847.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:45:26,184 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 0.41ms. Allocated memory is still 75.5MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 452.56ms. Allocated memory is still 75.5MB. Free memory was 51.0MB in the beginning and 39.4MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.90ms. Allocated memory is still 75.5MB. Free memory was 39.4MB in the beginning and 37.8MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 114.48ms. Allocated memory was 75.5MB in the beginning and 109.1MB in the end (delta: 33.6MB). Free memory was 37.8MB in the beginning and 87.2MB in the end (delta: -49.4MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * RCFGBuilder took 712.00ms. Allocated memory is still 109.1MB. Free memory was 87.2MB in the beginning and 64.6MB in the end (delta: 22.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 17.62ms. Allocated memory is still 109.1MB. Free memory was 64.6MB in the beginning and 63.8MB in the end (delta: 847.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:45:26,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7285500-0213-4a10-8ad4-548614a79572/bin/ukojak-verify-i0I2FZA1j2/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