./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 47fde0ba5912e0415b0c299af0f3ae7b3e6a5b956bf726bb77299079d74126b4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:15:59,417 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:15:59,539 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:15:59,547 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:15:59,548 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:15:59,596 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:15:59,597 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:15:59,598 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:15:59,599 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:15:59,599 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:15:59,600 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:15:59,601 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:15:59,601 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:15:59,602 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:15:59,603 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:15:59,603 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:15:59,604 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:15:59,604 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:15:59,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:15:59,606 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:15:59,606 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:15:59,607 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:15:59,607 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:15:59,608 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:15:59,608 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:15:59,609 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:15:59,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:59,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:15:59,610 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:15:59,611 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:15:59,611 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:15:59,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:15:59,612 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:15:59,612 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_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47fde0ba5912e0415b0c299af0f3ae7b3e6a5b956bf726bb77299079d74126b4 [2023-11-24 22:15:59,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:15:59,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:15:59,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:15:59,987 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:15:59,988 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:15:59,989 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2023-11-24 22:16:03,032 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:16:03,339 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:16:03,340 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2023-11-24 22:16:03,353 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi/data/db89f8b28/bb7e8d3e508a4fb78f71696dc921cf8d/FLAG3e2eab838 [2023-11-24 22:16:03,372 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi/data/db89f8b28/bb7e8d3e508a4fb78f71696dc921cf8d [2023-11-24 22:16:03,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:16:03,381 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:16:03,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:03,385 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:16:03,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:16:03,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:03" (1/1) ... [2023-11-24 22:16:03,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a93bb65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:03, skipping insertion in model container [2023-11-24 22:16:03,393 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:03" (1/1) ... [2023-11-24 22:16:03,431 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:03,639 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c[3336,3349] [2023-11-24 22:16:03,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:03,659 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:16:03,687 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c[3336,3349] [2023-11-24 22:16:03,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:03,701 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:03,701 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:03,709 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:16:03,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:03 WrapperNode [2023-11-24 22:16:03,710 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:03,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:03,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:16:03,712 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:16:03,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:03" (1/1) ... [2023-11-24 22:16:03,739 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:03" (1/1) ... [2023-11-24 22:16:03,764 INFO L138 Inliner]: procedures = 27, calls = 75, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 118 [2023-11-24 22:16:03,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:03,773 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:16:03,774 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:16:03,775 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:16:03,783 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:03" (1/1) ... [2023-11-24 22:16:03,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:03" (1/1) ... [2023-11-24 22:16:03,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:03" (1/1) ... [2023-11-24 22:16:03,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:03" (1/1) ... [2023-11-24 22:16:03,798 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:03" (1/1) ... [2023-11-24 22:16:03,802 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:03" (1/1) ... [2023-11-24 22:16:03,805 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:03" (1/1) ... [2023-11-24 22:16:03,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:03" (1/1) ... [2023-11-24 22:16:03,812 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:16:03,813 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:16:03,813 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:16:03,813 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:16:03,814 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:03" (1/1) ... [2023-11-24 22:16:03,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:03,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:16:03,851 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:16:03,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:16:03,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:16:03,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:16:03,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:16:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:16:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:16:03,912 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:16:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:16:03,912 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:16:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 22:16:03,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 22:16:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-24 22:16:03,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-24 22:16:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:16:03,914 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:16:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:16:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-24 22:16:03,914 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-24 22:16:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:16:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:16:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:16:03,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:16:03,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:16:03,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:16:03,917 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:16:04,078 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:16:04,082 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:16:04,517 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:16:04,700 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem12;call #t~mem13 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~2, 4);#t~post14 := #t~mem13;call write~int(1 + #t~post14, ~A~0.base, ~A~0.offset + 4 * ~i~2, 4);havoc #t~mem13;havoc #t~post14;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-11-24 22:16:04,705 INFO L158 Benchmark]: Toolchain (without parser) took 1323.14ms. Allocated memory is still 165.7MB. Free memory was 134.0MB in the beginning and 84.2MB in the end (delta: 49.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-24 22:16:04,705 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:04,706 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.54ms. Allocated memory is still 165.7MB. Free memory was 134.0MB in the beginning and 120.9MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:16:04,707 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.73ms. Allocated memory is still 165.7MB. Free memory was 120.9MB in the beginning and 119.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:04,708 INFO L158 Benchmark]: Boogie Preprocessor took 39.03ms. Allocated memory is still 165.7MB. Free memory was 119.4MB in the beginning and 117.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:16:04,708 INFO L158 Benchmark]: RCFGBuilder took 890.29ms. Allocated memory is still 165.7MB. Free memory was 117.3MB in the beginning and 84.2MB in the end (delta: 33.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-24 22:16:04,712 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.54ms. Allocated memory is still 165.7MB. Free memory was 134.0MB in the beginning and 120.9MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.73ms. Allocated memory is still 165.7MB. Free memory was 120.9MB in the beginning and 119.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.03ms. Allocated memory is still 165.7MB. Free memory was 119.4MB in the beginning and 117.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 890.29ms. Allocated memory is still 165.7MB. Free memory was 117.3MB in the beginning and 84.2MB in the end (delta: 33.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem12;call #t~mem13 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~2, 4);#t~post14 := #t~mem13;call write~int(1 + #t~post14, ~A~0.base, ~A~0.offset + 4 * ~i~2, 4);havoc #t~mem13;havoc #t~post14;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem12;call #t~mem13 := read~int(~A~0.base, ~A~0.offset + 4 * ~i~2, 4);#t~post14 := #t~mem13;call write~int(1 + #t~post14, ~A~0.base, ~A~0.offset + 4 * ~i~2, 4);havoc #t~mem13;havoc #t~post14;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:16:04,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi/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_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 47fde0ba5912e0415b0c299af0f3ae7b3e6a5b956bf726bb77299079d74126b4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:16:07,380 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:07,509 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:16:07,562 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:07,563 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:16:07,568 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:16:07,569 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:07,570 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:07,571 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:07,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:16:07,576 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:16:07,577 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:16:07,577 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:07,579 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:16:07,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:07,579 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:16:07,580 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:16:07,580 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:16:07,581 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:16:07,582 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:16:07,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:16:07,583 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:07,583 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:07,584 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:07,584 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:07,584 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:07,585 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:16:07,585 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:07,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:07,586 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:07,588 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:07,588 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:16:07,588 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:16:07,589 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:07,589 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:16:07,589 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:16:07,589 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:16:07,590 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_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47fde0ba5912e0415b0c299af0f3ae7b3e6a5b956bf726bb77299079d74126b4 [2023-11-24 22:16:07,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:08,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:08,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:08,015 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:08,016 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:08,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2023-11-24 22:16:11,014 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:16:11,326 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:16:11,327 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2023-11-24 22:16:11,336 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi/data/0e247801c/360d9bf983e94367b4ac359e8b68da76/FLAGb6ef7e489 [2023-11-24 22:16:11,361 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi/data/0e247801c/360d9bf983e94367b4ac359e8b68da76 [2023-11-24 22:16:11,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:16:11,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:16:11,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:11,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:16:11,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:16:11,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:11" (1/1) ... [2023-11-24 22:16:11,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d1e0862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:11, skipping insertion in model container [2023-11-24 22:16:11,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:11" (1/1) ... [2023-11-24 22:16:11,400 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:11,654 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c[3336,3349] [2023-11-24 22:16:11,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:11,698 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 22:16:11,710 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:11,745 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c[3336,3349] [2023-11-24 22:16:11,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:11,767 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:16:11,810 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c[3336,3349] [2023-11-24 22:16:11,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:11,835 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:11,839 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:11,846 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:16:11,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:11 WrapperNode [2023-11-24 22:16:11,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:11,849 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:11,853 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:16:11,853 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:16:11,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:11" (1/1) ... [2023-11-24 22:16:11,888 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:11" (1/1) ... [2023-11-24 22:16:11,925 INFO L138 Inliner]: procedures = 29, calls = 75, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2023-11-24 22:16:11,926 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:11,927 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:16:11,927 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:16:11,927 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:16:11,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:11" (1/1) ... [2023-11-24 22:16:11,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:11" (1/1) ... [2023-11-24 22:16:11,956 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:11" (1/1) ... [2023-11-24 22:16:11,960 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:11" (1/1) ... [2023-11-24 22:16:11,971 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:11" (1/1) ... [2023-11-24 22:16:11,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:11" (1/1) ... [2023-11-24 22:16:11,995 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:11" (1/1) ... [2023-11-24 22:16:12,003 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:11" (1/1) ... [2023-11-24 22:16:12,007 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:16:12,008 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:16:12,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:16:12,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:16:12,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:11" (1/1) ... [2023-11-24 22:16:12,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:12,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:16:12,041 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:16:12,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:16:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:16:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:16:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:16:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:16:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:16:12,124 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:16:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:16:12,124 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:16:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 22:16:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 22:16:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-24 22:16:12,127 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-24 22:16:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:16:12,127 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:16:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-24 22:16:12,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-24 22:16:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:16:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:16:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:16:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:16:12,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:16:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:16:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:16:12,131 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:16:12,319 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:16:12,323 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:16:12,810 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:16:13,158 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem12;call #t~mem13 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);#t~post14 := #t~mem13;call write~intINTTYPE4(~bvadd~32(1bv32, #t~post14), ~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);havoc #t~mem13;havoc #t~post14;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-11-24 22:16:13,162 INFO L158 Benchmark]: Toolchain (without parser) took 1797.10ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 54.3MB in the beginning and 80.3MB in the end (delta: -26.0MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2023-11-24 22:16:13,163 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 77.6MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:13,164 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.10ms. Allocated memory is still 77.6MB. Free memory was 54.0MB in the beginning and 39.0MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:16:13,165 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.87ms. Allocated memory is still 77.6MB. Free memory was 38.8MB in the beginning and 37.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:16:13,165 INFO L158 Benchmark]: Boogie Preprocessor took 80.63ms. Allocated memory is still 77.6MB. Free memory was 37.0MB in the beginning and 34.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:16:13,166 INFO L158 Benchmark]: RCFGBuilder took 1152.52ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 34.7MB in the beginning and 80.3MB in the end (delta: -45.6MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2023-11-24 22:16:13,169 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 77.6MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.10ms. Allocated memory is still 77.6MB. Free memory was 54.0MB in the beginning and 39.0MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.87ms. Allocated memory is still 77.6MB. Free memory was 38.8MB in the beginning and 37.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.63ms. Allocated memory is still 77.6MB. Free memory was 37.0MB in the beginning and 34.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1152.52ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 34.7MB in the beginning and 80.3MB in the end (delta: -45.6MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem12;call #t~mem13 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);#t~post14 := #t~mem13;call write~intINTTYPE4(~bvadd~32(1bv32, #t~post14), ~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);havoc #t~mem13;havoc #t~post14;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem12;call #t~mem13 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);#t~post14 := #t~mem13;call write~intINTTYPE4(~bvadd~32(1bv32, #t~post14), ~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);havoc #t~mem13;havoc #t~post14;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:16:13,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4dc24c-769f-4713-b5a1-5c65e7b055f7/bin/ukojak-verify-afCqCEvfdi/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: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem12;call #t~mem13 := read~intINTTYPE4(~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);#t~post14 := #t~mem13;call write~intINTTYPE4(~bvadd~32(1bv32, #t~post14), ~A~0.base, ~bvadd~32(~A~0.offset, ~bvmul~32(4bv32, ~i~2)), 4bv32);havoc #t~mem13;havoc #t~post14;). Is there illegal control flow (e.g. loops) within an atomic block?