./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV --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 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:52:24,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:52:24,937 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:52:24,945 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:52:24,946 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:52:24,984 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:52:24,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:52:24,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:52:24,986 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:52:24,991 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:52:24,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:52:24,993 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:52:24,994 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:52:24,995 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:52:24,996 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:52:24,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:52:24,997 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:52:24,997 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:52:24,997 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:52:24,998 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:52:24,998 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:52:24,999 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:52:24,999 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:52:25,000 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:52:25,001 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:52:25,001 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:52:25,002 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:52:25,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:25,003 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:52:25,003 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:52:25,005 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:52:25,005 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:52:25,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:52:25,005 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:52:25,005 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_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec [2023-11-11 23:52:25,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:52:25,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:52:25,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:52:25,373 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:52:25,373 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:52:25,375 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-11 23:52:28,809 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:52:29,045 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:52:29,046 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-11 23:52:29,056 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV/data/fa0e1826c/1ee454309a7e4fa193aca4c063275f4e/FLAG7d676dfe5 [2023-11-11 23:52:29,080 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV/data/fa0e1826c/1ee454309a7e4fa193aca4c063275f4e [2023-11-11 23:52:29,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:52:29,086 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:52:29,090 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:29,091 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:52:29,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:52:29,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:29" (1/1) ... [2023-11-11 23:52:29,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fd6b076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:29, skipping insertion in model container [2023-11-11 23:52:29,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:29" (1/1) ... [2023-11-11 23:52:29,134 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:52:29,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:29,354 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:52:29,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:29,392 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:52:29,392 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:52:29,402 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:52:29,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:29 WrapperNode [2023-11-11 23:52:29,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:29,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:29,404 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:52:29,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:52:29,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:29" (1/1) ... [2023-11-11 23:52:29,437 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:29" (1/1) ... [2023-11-11 23:52:29,482 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 159 [2023-11-11 23:52:29,482 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:29,483 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:52:29,483 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:52:29,484 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:52:29,495 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:29" (1/1) ... [2023-11-11 23:52:29,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:29" (1/1) ... [2023-11-11 23:52:29,513 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:29" (1/1) ... [2023-11-11 23:52:29,514 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:29" (1/1) ... [2023-11-11 23:52:29,521 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:29" (1/1) ... [2023-11-11 23:52:29,525 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:29" (1/1) ... [2023-11-11 23:52:29,527 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:29" (1/1) ... [2023-11-11 23:52:29,541 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:29" (1/1) ... [2023-11-11 23:52:29,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:52:29,546 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:52:29,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:52:29,547 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:52:29,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:29" (1/1) ... [2023-11-11 23:52:29,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:29,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:52:29,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:52:29,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:52:29,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:52:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:52:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:52:29,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:52:29,638 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:52:29,639 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:52:29,639 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:52:29,639 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:52:29,639 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:52:29,640 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:52:29,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:52:29,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:52:29,640 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:52:29,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:52:29,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:52:29,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:52:29,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:52:29,642 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:52:29,787 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:52:29,791 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:52:30,236 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:52:30,553 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:52:30,553 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:52:30,554 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L104-6 is neither atomic block end nor a sink node. [2023-11-11 23:52:30,555 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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) [2023-11-11 23:52:30,564 INFO L158 Benchmark]: Toolchain (without parser) took 1476.39ms. Allocated memory was 125.8MB in the beginning and 176.2MB in the end (delta: 50.3MB). Free memory was 84.0MB in the beginning and 122.7MB in the end (delta: -38.8MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2023-11-11 23:52:30,564 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 100.7MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:52:30,565 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.02ms. Allocated memory is still 125.8MB. Free memory was 83.7MB in the beginning and 72.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:52:30,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.48ms. Allocated memory is still 125.8MB. Free memory was 72.2MB in the beginning and 70.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:52:30,567 INFO L158 Benchmark]: Boogie Preprocessor took 62.25ms. Allocated memory is still 125.8MB. Free memory was 70.2MB in the beginning and 68.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:52:30,569 INFO L158 Benchmark]: RCFGBuilder took 1015.33ms. Allocated memory was 125.8MB in the beginning and 176.2MB in the end (delta: 50.3MB). Free memory was 68.6MB in the beginning and 122.7MB in the end (delta: -54.1MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2023-11-11 23:52:30,578 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 100.7MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.02ms. Allocated memory is still 125.8MB. Free memory was 83.7MB in the beginning and 72.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.48ms. Allocated memory is still 125.8MB. Free memory was 72.2MB in the beginning and 70.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.25ms. Allocated memory is still 125.8MB. Free memory was 70.2MB in the beginning and 68.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1015.33ms. Allocated memory was 125.8MB in the beginning and 176.2MB in the end (delta: 50.3MB). Free memory was 68.6MB in the beginning and 122.7MB in the end (delta: -54.1MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:52:30,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV/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_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV --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 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:52:33,381 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:52:33,458 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:52:33,491 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:52:33,492 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:52:33,493 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:52:33,494 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:52:33,495 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:52:33,495 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:52:33,496 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:52:33,497 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:52:33,497 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:52:33,498 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:52:33,499 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:52:33,499 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:52:33,500 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:52:33,500 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:52:33,501 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:52:33,502 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:52:33,502 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:52:33,503 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:52:33,504 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:52:33,504 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:52:33,505 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:52:33,506 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:52:33,506 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:52:33,507 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:52:33,507 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:52:33,508 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:52:33,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:52:33,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:33,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:52:33,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:52:33,511 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:52:33,511 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:52:33,511 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:52:33,512 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:52:33,512 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:52:33,512 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:52:33,513 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_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14a9c1cac7f040ebf84fc8e1c821294cab75b8332a1643f6e05ef67dfff453ec [2023-11-11 23:52:34,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:52:34,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:52:34,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:52:34,045 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:52:34,046 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:52:34,048 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-11 23:52:37,489 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:52:37,795 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:52:37,796 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2023-11-11 23:52:37,811 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV/data/c1eabca13/10813d3223954f9e948c238f2ddcc771/FLAG6abd1b7ed [2023-11-11 23:52:37,837 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV/data/c1eabca13/10813d3223954f9e948c238f2ddcc771 [2023-11-11 23:52:37,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:52:37,852 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:52:37,858 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:37,859 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:52:37,865 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:52:37,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:37" (1/1) ... [2023-11-11 23:52:37,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58e39bc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:37, skipping insertion in model container [2023-11-11 23:52:37,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:37" (1/1) ... [2023-11-11 23:52:37,910 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:52:38,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:38,256 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-11 23:52:38,269 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:52:38,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:38,321 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:52:38,390 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:38,405 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:52:38,406 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:52:38,415 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:52:38,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:38 WrapperNode [2023-11-11 23:52:38,416 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:38,421 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:38,421 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:52:38,421 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:52:38,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:38" (1/1) ... [2023-11-11 23:52:38,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:38" (1/1) ... [2023-11-11 23:52:38,498 INFO L138 Inliner]: procedures = 28, calls = 37, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 155 [2023-11-11 23:52:38,508 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:38,509 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:52:38,509 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:52:38,510 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:52:38,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:38" (1/1) ... [2023-11-11 23:52:38,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:38" (1/1) ... [2023-11-11 23:52:38,533 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:38" (1/1) ... [2023-11-11 23:52:38,535 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:38" (1/1) ... [2023-11-11 23:52:38,556 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:38" (1/1) ... [2023-11-11 23:52:38,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:38" (1/1) ... [2023-11-11 23:52:38,579 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:38" (1/1) ... [2023-11-11 23:52:38,581 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:38" (1/1) ... [2023-11-11 23:52:38,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:52:38,595 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:52:38,595 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:52:38,595 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:52:38,596 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:38" (1/1) ... [2023-11-11 23:52:38,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:38,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:52:38,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:52:38,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:52:38,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:52:38,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:52:38,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:52:38,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:52:38,707 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-11 23:52:38,708 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-11 23:52:38,708 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-11 23:52:38,708 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-11 23:52:38,709 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:52:38,709 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:52:38,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:52:38,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:52:38,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:52:38,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:52:38,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:52:38,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:52:38,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:52:38,715 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:52:38,877 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:52:38,879 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:52:39,444 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:52:39,795 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:52:39,796 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:52:39,796 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L104-6 is neither atomic block end nor a sink node. [2023-11-11 23:52:39,797 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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) [2023-11-11 23:52:39,804 INFO L158 Benchmark]: Toolchain (without parser) took 1950.64ms. Allocated memory is still 111.1MB. Free memory was 87.4MB in the beginning and 76.3MB in the end (delta: 11.1MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2023-11-11 23:52:39,804 INFO L158 Benchmark]: CDTParser took 1.35ms. Allocated memory is still 73.4MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:52:39,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 558.69ms. Allocated memory is still 111.1MB. Free memory was 87.1MB in the beginning and 73.2MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:52:39,807 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.50ms. Allocated memory is still 111.1MB. Free memory was 73.2MB in the beginning and 71.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:52:39,808 INFO L158 Benchmark]: Boogie Preprocessor took 84.85ms. Allocated memory is still 111.1MB. Free memory was 71.1MB in the beginning and 69.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:52:39,809 INFO L158 Benchmark]: RCFGBuilder took 1207.21ms. Allocated memory is still 111.1MB. Free memory was 69.3MB in the beginning and 76.3MB in the end (delta: -7.0MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-11-11 23:52:39,814 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.35ms. Allocated memory is still 73.4MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 558.69ms. Allocated memory is still 111.1MB. Free memory was 87.1MB in the beginning and 73.2MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.50ms. Allocated memory is still 111.1MB. Free memory was 73.2MB in the beginning and 71.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.85ms. Allocated memory is still 111.1MB. Free memory was 71.1MB in the beginning and 69.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1207.21ms. Allocated memory is still 111.1MB. Free memory was 69.3MB in the beginning and 76.3MB in the end (delta: -7.0MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:52:39,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60980456-e655-4b3e-b28f-75bfd7c7bd59/bin/ukojak-verify-0OAaufAVZV/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?