./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --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 f83ae5bec1717d6f197d4259600c0d1f406909832409df09253b7bf70d3f66fc --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 23:45:54,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:45:54,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:45:54,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:45:54,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:45:54,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:45:54,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:45:54,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:45:54,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:45:54,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:45:54,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:45:54,561 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:45:54,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:45:54,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:45:54,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:45:54,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:45:54,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:45:54,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:45:54,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:45:54,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:45:54,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:45:54,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:45:54,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:45:54,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:45:54,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:45:54,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:45:54,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:45:54,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:45:54,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:45:54,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:45:54,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:45:54,581 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:45:54,582 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:45:54,583 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:45:54,584 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:45:54,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:45:54,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:45:54,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:45:54,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:45:54,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:45:54,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:45:54,587 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 23:45:54,609 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:45:54,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:45:54,610 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:45:54,611 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:45:54,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:45:54,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:45:54,612 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:45:54,612 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:45:54,612 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:45:54,612 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:45:54,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:45:54,613 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:45:54,613 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:45:54,613 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:45:54,613 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:45:54,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:45:54,614 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:45:54,614 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:45:54,614 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:45:54,614 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:45:54,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:45:54,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:45:54,615 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:45:54,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:45:54,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:45:54,615 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:45:54,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:45:54,616 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:45:54,616 INFO L138 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_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f83ae5bec1717d6f197d4259600c0d1f406909832409df09253b7bf70d3f66fc [2022-12-14 23:45:54,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:45:54,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:45:54,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:45:54,840 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:45:54,841 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:45:54,842 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2022-12-14 23:45:57,410 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:45:57,535 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:45:57,535 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2022-12-14 23:45:57,540 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4/data/4c77de022/5d991145090341348db727984598019b/FLAG6546922d0 [2022-12-14 23:45:57,550 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4/data/4c77de022/5d991145090341348db727984598019b [2022-12-14 23:45:57,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:45:57,553 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:45:57,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:45:57,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:45:57,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:45:57,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:45:57" (1/1) ... [2022-12-14 23:45:57,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@152063bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:57, skipping insertion in model container [2022-12-14 23:45:57,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:45:57" (1/1) ... [2022-12-14 23:45:57,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:45:57,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:45:57,687 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:45:57,688 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:45:57,689 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:45:57,691 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:45:57,691 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:45:57,692 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:45:57,694 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:45:57,695 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:45:57,695 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:45:57,697 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:45:57,697 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:45:57,697 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:45:57,698 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:45:57,699 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:45:57,699 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:45:57,700 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:45:57,700 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:45:57,701 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:45:57,701 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:45:57,702 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:45:57,702 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:45:57,703 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:45:57,703 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:45:57,704 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:45:57,710 WARN L237 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_80a784ae-ca51-43de-9f43-c74c140258a5/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c[4232,4245] [2022-12-14 23:45:57,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:45:57,725 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:45:57,735 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:45:57,735 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:45:57,736 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:45:57,737 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:45:57,737 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:45:57,737 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:45:57,738 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:45:57,738 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:45:57,738 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:45:57,740 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:45:57,740 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:45:57,740 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:45:57,741 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:45:57,741 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:45:57,741 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:45:57,742 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:45:57,742 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:45:57,743 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:45:57,743 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:45:57,743 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:45:57,744 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:45:57,744 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:45:57,745 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:45:57,745 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:45:57,749 WARN L237 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_80a784ae-ca51-43de-9f43-c74c140258a5/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c[4232,4245] [2022-12-14 23:45:57,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:45:57,762 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:45:57,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:57 WrapperNode [2022-12-14 23:45:57,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:45:57,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:45:57,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:45:57,764 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:45:57,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:57" (1/1) ... [2022-12-14 23:45:57,776 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:57" (1/1) ... [2022-12-14 23:45:57,790 INFO L138 Inliner]: procedures = 27, calls = 83, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 109 [2022-12-14 23:45:57,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:45:57,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:45:57,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:45:57,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:45:57,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:57" (1/1) ... [2022-12-14 23:45:57,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:57" (1/1) ... [2022-12-14 23:45:57,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:57" (1/1) ... [2022-12-14 23:45:57,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:57" (1/1) ... [2022-12-14 23:45:57,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:57" (1/1) ... [2022-12-14 23:45:57,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:57" (1/1) ... [2022-12-14 23:45:57,817 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:57" (1/1) ... [2022-12-14 23:45:57,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:57" (1/1) ... [2022-12-14 23:45:57,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:45:57,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:45:57,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:45:57,823 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:45:57,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:45:57" (1/1) ... [2022-12-14 23:45:57,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:45:57,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:45:57,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:45:57,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:45:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:45:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:45:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 23:45:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-12-14 23:45:57,881 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-12-14 23:45:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 23:45:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 23:45:57,881 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 23:45:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 23:45:57,881 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 23:45:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-14 23:45:57,881 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-14 23:45:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-14 23:45:57,881 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-14 23:45:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 23:45:57,882 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 23:45:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:45:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-12-14 23:45:57,882 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-12-14 23:45:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 23:45:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 23:45:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 23:45:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:45:57,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:45:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:45:57,884 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 23:45:57,974 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:45:57,976 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:45:58,244 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:45:58,314 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:45:58,315 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-14 23:45:58,315 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-12-14 23:45:58,316 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-12-14 23:45:58,319 INFO L158 Benchmark]: Toolchain (without parser) took 764.99ms. Allocated memory is still 146.8MB. Free memory was 104.8MB in the beginning and 57.2MB in the end (delta: 47.7MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-12-14 23:45:58,319 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 146.8MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:45:58,320 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.53ms. Allocated memory is still 146.8MB. Free memory was 104.8MB in the beginning and 89.2MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 23:45:58,320 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.00ms. Allocated memory is still 146.8MB. Free memory was 89.2MB in the beginning and 87.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:45:58,320 INFO L158 Benchmark]: Boogie Preprocessor took 31.29ms. Allocated memory is still 146.8MB. Free memory was 87.1MB in the beginning and 85.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:45:58,321 INFO L158 Benchmark]: RCFGBuilder took 494.73ms. Allocated memory is still 146.8MB. Free memory was 85.6MB in the beginning and 57.2MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-12-14 23:45:58,323 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 146.8MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 208.53ms. Allocated memory is still 146.8MB. Free memory was 104.8MB in the beginning and 89.2MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.00ms. Allocated memory is still 146.8MB. Free memory was 89.2MB in the beginning and 87.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.29ms. Allocated memory is still 146.8MB. Free memory was 87.1MB in the beginning and 85.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 494.73ms. Allocated memory is still 146.8MB. Free memory was 85.6MB in the beginning and 57.2MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 23:45:58,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --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 f83ae5bec1717d6f197d4259600c0d1f406909832409df09253b7bf70d3f66fc --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 23:45:59,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:45:59,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:45:59,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:45:59,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:45:59,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:45:59,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:45:59,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:45:59,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:45:59,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:45:59,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:45:59,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:45:59,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:45:59,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:45:59,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:45:59,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:45:59,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:45:59,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:45:59,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:45:59,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:45:59,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:45:59,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:45:59,892 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:45:59,893 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:45:59,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:45:59,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:45:59,897 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:45:59,898 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:45:59,899 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:45:59,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:45:59,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:45:59,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:45:59,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:45:59,903 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:45:59,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:45:59,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:45:59,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:45:59,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:45:59,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:45:59,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:45:59,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:45:59,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-12-14 23:45:59,937 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:45:59,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:45:59,938 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:45:59,938 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:45:59,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:45:59,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:45:59,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:45:59,940 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:45:59,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:45:59,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:45:59,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:45:59,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:45:59,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:45:59,940 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 23:45:59,941 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 23:45:59,941 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 23:45:59,941 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:45:59,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:45:59,941 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:45:59,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:45:59,941 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:45:59,942 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:45:59,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:45:59,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:45:59,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:45:59,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:45:59,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:45:59,943 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 23:45:59,943 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 23:45:59,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:45:59,943 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 23:45:59,943 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 23:45:59,943 INFO L138 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_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f83ae5bec1717d6f197d4259600c0d1f406909832409df09253b7bf70d3f66fc [2022-12-14 23:46:00,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:46:00,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:46:00,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:46:00,179 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:46:00,179 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:46:00,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2022-12-14 23:46:02,759 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:46:02,885 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:46:02,885 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2022-12-14 23:46:02,891 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4/data/c30eab17e/1d98f6efac6e40d4af616c25175208f0/FLAGff0655efa [2022-12-14 23:46:02,901 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4/data/c30eab17e/1d98f6efac6e40d4af616c25175208f0 [2022-12-14 23:46:02,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:46:02,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:46:02,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:46:02,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:46:02,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:46:02,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:46:02" (1/1) ... [2022-12-14 23:46:02,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68eb2b96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:46:02, skipping insertion in model container [2022-12-14 23:46:02,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:46:02" (1/1) ... [2022-12-14 23:46:02,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:46:02,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:46:03,047 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,048 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,048 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,051 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,051 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,052 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,054 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,055 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,055 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,058 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,058 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,059 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,059 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,060 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,060 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,061 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,062 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,062 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,063 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,063 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,064 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,065 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,065 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,065 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,072 WARN L237 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_80a784ae-ca51-43de-9f43-c74c140258a5/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c[4232,4245] [2022-12-14 23:46:03,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:46:03,099 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-14 23:46:03,102 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:46:03,106 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,106 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,106 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,108 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,108 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,108 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,110 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,111 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,111 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,112 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,112 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,113 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,113 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,114 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,114 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,114 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,115 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,116 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,116 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,117 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,117 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,117 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,121 WARN L237 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_80a784ae-ca51-43de-9f43-c74c140258a5/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c[4232,4245] [2022-12-14 23:46:03,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:46:03,128 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:46:03,138 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,139 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,139 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,140 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,140 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,141 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,141 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,141 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,142 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,143 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,143 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,144 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,144 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,145 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,145 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,146 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,146 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,146 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,147 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,147 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,147 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,148 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,148 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 23:46:03,149 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 23:46:03,153 WARN L237 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_80a784ae-ca51-43de-9f43-c74c140258a5/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c[4232,4245] [2022-12-14 23:46:03,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:46:03,168 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:46:03,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:46:03 WrapperNode [2022-12-14 23:46:03,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:46:03,169 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:46:03,169 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:46:03,169 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:46:03,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:46:03" (1/1) ... [2022-12-14 23:46:03,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:46:03" (1/1) ... [2022-12-14 23:46:03,198 INFO L138 Inliner]: procedures = 29, calls = 83, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 104 [2022-12-14 23:46:03,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:46:03,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:46:03,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:46:03,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:46:03,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:46:03" (1/1) ... [2022-12-14 23:46:03,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:46:03" (1/1) ... [2022-12-14 23:46:03,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:46:03" (1/1) ... [2022-12-14 23:46:03,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:46:03" (1/1) ... [2022-12-14 23:46:03,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:46:03" (1/1) ... [2022-12-14 23:46:03,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:46:03" (1/1) ... [2022-12-14 23:46:03,224 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:46:03" (1/1) ... [2022-12-14 23:46:03,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:46:03" (1/1) ... [2022-12-14 23:46:03,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:46:03,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:46:03,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:46:03,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:46:03,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:46:03" (1/1) ... [2022-12-14 23:46:03,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:46:03,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:46:03,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:46:03,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:46:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:46:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 23:46:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 23:46:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-12-14 23:46:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-12-14 23:46:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 23:46:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 23:46:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 23:46:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 23:46:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 23:46:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-14 23:46:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-14 23:46:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-14 23:46:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-14 23:46:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 23:46:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 23:46:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-12-14 23:46:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-12-14 23:46:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 23:46:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 23:46:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 23:46:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:46:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:46:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 23:46:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 23:46:03,288 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 23:46:03,388 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:46:03,389 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:46:03,736 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:46:03,810 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:46:03,810 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-14 23:46:03,811 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-12-14 23:46:03,811 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-12-14 23:46:03,814 INFO L158 Benchmark]: Toolchain (without parser) took 909.92ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 30.0MB in the beginning and 53.0MB in the end (delta: -23.1MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2022-12-14 23:46:03,815 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 60.8MB. Free memory was 39.3MB in the beginning and 39.3MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 23:46:03,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.95ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 29.8MB in the beginning and 44.6MB in the end (delta: -14.8MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2022-12-14 23:46:03,816 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.48ms. Allocated memory is still 79.7MB. Free memory was 44.6MB in the beginning and 42.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:46:03,816 INFO L158 Benchmark]: Boogie Preprocessor took 28.56ms. Allocated memory is still 79.7MB. Free memory was 42.8MB in the beginning and 40.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 23:46:03,816 INFO L158 Benchmark]: RCFGBuilder took 585.15ms. Allocated memory is still 79.7MB. Free memory was 40.7MB in the beginning and 53.0MB in the end (delta: -12.4MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2022-12-14 23:46:03,818 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 60.8MB. Free memory was 39.3MB in the beginning and 39.3MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.95ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 29.8MB in the beginning and 44.6MB in the end (delta: -14.8MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.48ms. Allocated memory is still 79.7MB. Free memory was 44.6MB in the beginning and 42.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.56ms. Allocated memory is still 79.7MB. Free memory was 42.8MB in the beginning and 40.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 585.15ms. Allocated memory is still 79.7MB. Free memory was 40.7MB in the beginning and 53.0MB in the end (delta: -12.4MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 23:46:03,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a784ae-ca51-43de-9f43-c74c140258a5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?