./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_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9/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_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9 --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 [2023-12-02 23:20:50,510 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:20:50,571 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:20:50,575 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:20:50,575 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:20:50,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:20:50,598 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:20:50,598 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:20:50,599 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:20:50,600 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:20:50,600 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:20:50,601 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:20:50,601 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:20:50,602 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:20:50,602 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:20:50,603 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:20:50,603 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:20:50,604 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:20:50,604 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:20:50,605 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:20:50,605 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:20:50,607 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:20:50,608 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:20:50,608 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:20:50,609 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:20:50,609 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:20:50,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:20:50,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:20:50,611 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:20:50,611 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:20:50,611 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:20:50,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:20:50,612 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:20:50,612 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_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47fde0ba5912e0415b0c299af0f3ae7b3e6a5b956bf726bb77299079d74126b4 [2023-12-02 23:20:50,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:20:50,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:20:50,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:20:50,847 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:20:50,848 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:20:50,849 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2023-12-02 23:20:53,542 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:20:53,723 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:20:53,724 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a28399-bcef-4053-9cda-0daabcd0c9cb/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2023-12-02 23:20:53,731 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9/data/fb547296f/c043cbfa9d044894b075f28180266127/FLAGffbbb4c59 [2023-12-02 23:20:53,744 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9/data/fb547296f/c043cbfa9d044894b075f28180266127 [2023-12-02 23:20:53,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:20:53,747 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:20:53,748 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:20:53,748 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:20:53,752 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:20:53,752 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:20:53" (1/1) ... [2023-12-02 23:20:53,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c564949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:53, skipping insertion in model container [2023-12-02 23:20:53,753 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:20:53" (1/1) ... [2023-12-02 23:20:53,779 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:20:53,953 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_d1a28399-bcef-4053-9cda-0daabcd0c9cb/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c[3336,3349] [2023-12-02 23:20:53,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:20:54,023 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:20:54,050 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_d1a28399-bcef-4053-9cda-0daabcd0c9cb/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c[3336,3349] [2023-12-02 23:20:54,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:20:54,061 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:20:54,062 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:20:54,070 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:20:54,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:54 WrapperNode [2023-12-02 23:20:54,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:20:54,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:20:54,072 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:20:54,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:20:54,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:54" (1/1) ... [2023-12-02 23:20:54,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:54" (1/1) ... [2023-12-02 23:20:54,113 INFO L138 Inliner]: procedures = 27, calls = 75, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 118 [2023-12-02 23:20:54,114 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:20:54,114 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:20:54,114 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:20:54,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:20:54,122 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:54" (1/1) ... [2023-12-02 23:20:54,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:54" (1/1) ... [2023-12-02 23:20:54,126 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:54" (1/1) ... [2023-12-02 23:20:54,126 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:54" (1/1) ... [2023-12-02 23:20:54,136 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:54" (1/1) ... [2023-12-02 23:20:54,140 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:54" (1/1) ... [2023-12-02 23:20:54,142 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:54" (1/1) ... [2023-12-02 23:20:54,144 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:54" (1/1) ... [2023-12-02 23:20:54,148 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:20:54,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:20:54,149 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:20:54,149 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:20:54,150 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:20:54" (1/1) ... [2023-12-02 23:20:54,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:20:54,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:20:54,179 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:20:54,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:20:54,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:20:54,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:20:54,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:20:54,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:20:54,217 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 23:20:54,217 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 23:20:54,217 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 23:20:54,217 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 23:20:54,217 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-02 23:20:54,218 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-02 23:20:54,218 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-12-02 23:20:54,218 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-12-02 23:20:54,218 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:20:54,218 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:20:54,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:20:54,218 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-12-02 23:20:54,218 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-12-02 23:20:54,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 23:20:54,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 23:20:54,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:20:54,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:20:54,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:20:54,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:20:54,220 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 23:20:54,330 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:20:54,331 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:20:54,611 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:20:54,727 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) [2023-12-02 23:20:54,731 INFO L158 Benchmark]: Toolchain (without parser) took 983.50ms. Allocated memory is still 136.3MB. Free memory was 95.6MB in the beginning and 69.9MB in the end (delta: 25.7MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2023-12-02 23:20:54,732 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:20:54,732 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.85ms. Allocated memory is still 136.3MB. Free memory was 95.6MB in the beginning and 106.4MB in the end (delta: -10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:20:54,733 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.32ms. Allocated memory is still 136.3MB. Free memory was 106.4MB in the beginning and 104.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:20:54,733 INFO L158 Benchmark]: Boogie Preprocessor took 33.45ms. Allocated memory is still 136.3MB. Free memory was 104.9MB in the beginning and 102.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:20:54,734 INFO L158 Benchmark]: RCFGBuilder took 581.03ms. Allocated memory is still 136.3MB. Free memory was 102.8MB in the beginning and 69.9MB in the end (delta: 32.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-02 23:20:54,736 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 77.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.85ms. Allocated memory is still 136.3MB. Free memory was 95.6MB in the beginning and 106.4MB in the end (delta: -10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.32ms. Allocated memory is still 136.3MB. Free memory was 106.4MB in the beginning and 104.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.45ms. Allocated memory is still 136.3MB. Free memory was 104.9MB in the beginning and 102.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 581.03ms. Allocated memory is still 136.3MB. Free memory was 102.8MB in the beginning and 69.9MB in the end (delta: 32.9MB). 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. [2023-12-02 23:20:54,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9/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_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9/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_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9 --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 [2023-12-02 23:20:56,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:20:56,766 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 23:20:56,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:20:56,796 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:20:56,797 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:20:56,798 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:20:56,798 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:20:56,799 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:20:56,799 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:20:56,800 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:20:56,800 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:20:56,800 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:20:56,801 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:20:56,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:20:56,802 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:20:56,803 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:20:56,803 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:20:56,804 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:20:56,804 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:20:56,804 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:20:56,805 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:20:56,806 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:20:56,806 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:20:56,806 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:20:56,807 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:56,807 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:20:56,808 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:20:56,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:20:56,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:20:56,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:20:56,809 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:20:56,809 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:20:56,810 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:20:56,810 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:20:56,810 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:20:56,810 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:20:56,810 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_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47fde0ba5912e0415b0c299af0f3ae7b3e6a5b956bf726bb77299079d74126b4 [2023-12-02 23:20:57,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:20:57,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:20:57,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:20:57,133 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:20:57,133 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:20:57,135 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2023-12-02 23:21:00,050 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:21:00,315 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:21:00,316 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a28399-bcef-4053-9cda-0daabcd0c9cb/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c [2023-12-02 23:21:00,328 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9/data/07e4da30d/98b020311fcf48a7b3c257c3719c697e/FLAG6eeaee8ad [2023-12-02 23:21:00,343 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9/data/07e4da30d/98b020311fcf48a7b3c257c3719c697e [2023-12-02 23:21:00,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:21:00,347 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:21:00,349 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:21:00,349 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:21:00,354 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:21:00,355 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:21:00" (1/1) ... [2023-12-02 23:21:00,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c89eca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:00, skipping insertion in model container [2023-12-02 23:21:00,357 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:21:00" (1/1) ... [2023-12-02 23:21:00,391 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:21:00,644 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_d1a28399-bcef-4053-9cda-0daabcd0c9cb/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c[3336,3349] [2023-12-02 23:21:00,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:21:00,674 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 23:21:00,680 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:21:00,705 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_d1a28399-bcef-4053-9cda-0daabcd0c9cb/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c[3336,3349] [2023-12-02 23:21:00,710 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:21:00,716 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:21:00,752 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_d1a28399-bcef-4053-9cda-0daabcd0c9cb/sv-benchmarks/c/weaver/popl20-min-max-inc-dec.wvr.c[3336,3349] [2023-12-02 23:21:00,758 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:21:00,771 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:21:00,772 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:21:00,781 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:21:00,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:00 WrapperNode [2023-12-02 23:21:00,782 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:21:00,784 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:21:00,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:21:00,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:21:00,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:00" (1/1) ... [2023-12-02 23:21:00,809 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:00" (1/1) ... [2023-12-02 23:21:00,838 INFO L138 Inliner]: procedures = 29, calls = 75, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2023-12-02 23:21:00,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:21:00,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:21:00,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:21:00,841 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:21:00,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:00" (1/1) ... [2023-12-02 23:21:00,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:00" (1/1) ... [2023-12-02 23:21:00,860 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:00" (1/1) ... [2023-12-02 23:21:00,861 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:00" (1/1) ... [2023-12-02 23:21:00,875 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:00" (1/1) ... [2023-12-02 23:21:00,882 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:00" (1/1) ... [2023-12-02 23:21:00,885 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:00" (1/1) ... [2023-12-02 23:21:00,888 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:00" (1/1) ... [2023-12-02 23:21:00,893 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:21:00,894 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:21:00,895 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:21:00,895 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:21:00,896 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:21:00" (1/1) ... [2023-12-02 23:21:00,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:21:00,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:21:00,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:21:00,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:21:00,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:21:00,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:21:00,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:21:00,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:21:00,983 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 23:21:00,983 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 23:21:00,984 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 23:21:00,984 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 23:21:00,984 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-02 23:21:00,984 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-02 23:21:00,985 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-12-02 23:21:00,985 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-12-02 23:21:00,985 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:21:00,986 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:21:00,986 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-12-02 23:21:00,986 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-12-02 23:21:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 23:21:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 23:21:00,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:21:00,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:21:00,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:21:00,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:21:00,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:21:00,990 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 23:21:01,173 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:21:01,176 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:21:01,628 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:21:01,771 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) [2023-12-02 23:21:01,775 INFO L158 Benchmark]: Toolchain (without parser) took 1427.12ms. Allocated memory is still 111.1MB. Free memory was 88.5MB in the beginning and 48.9MB in the end (delta: 39.6MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2023-12-02 23:21:01,776 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 67.1MB. Free memory is still 44.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:21:01,777 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.85ms. Allocated memory is still 111.1MB. Free memory was 88.2MB in the beginning and 73.3MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 23:21:01,777 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.69ms. Allocated memory is still 111.1MB. Free memory was 73.3MB in the beginning and 71.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:21:01,778 INFO L158 Benchmark]: Boogie Preprocessor took 53.26ms. Allocated memory is still 111.1MB. Free memory was 71.2MB in the beginning and 69.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:21:01,779 INFO L158 Benchmark]: RCFGBuilder took 879.29ms. Allocated memory is still 111.1MB. Free memory was 69.1MB in the beginning and 48.9MB in the end (delta: 20.2MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-12-02 23:21:01,781 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 67.1MB. Free memory is still 44.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 433.85ms. Allocated memory is still 111.1MB. Free memory was 88.2MB in the beginning and 73.3MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.69ms. Allocated memory is still 111.1MB. Free memory was 73.3MB in the beginning and 71.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.26ms. Allocated memory is still 111.1MB. Free memory was 71.2MB in the beginning and 69.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 879.29ms. Allocated memory is still 111.1MB. Free memory was 69.1MB in the beginning and 48.9MB in the end (delta: 20.2MB). Peak memory consumption was 19.3MB. 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. [2023-12-02 23:21:01,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1a28399-bcef-4053-9cda-0daabcd0c9cb/bin/ukojak-verify-Qdu7aM0XO9/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?