./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/36-apron_16-traces-unprot2_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races 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_7fd7d4a5-cf8f-4001-8aaf-a2b5efeda6ba/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd7d4a5-cf8f-4001-8aaf-a2b5efeda6ba/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd7d4a5-cf8f-4001-8aaf-a2b5efeda6ba/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd7d4a5-cf8f-4001-8aaf-a2b5efeda6ba/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_16-traces-unprot2_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd7d4a5-cf8f-4001-8aaf-a2b5efeda6ba/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd7d4a5-cf8f-4001-8aaf-a2b5efeda6ba/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7e368f9929dbba9f95a2cf9bb03ad888bdb9b2cf2face386050ade96538e7b31 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:22:22,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:22:22,704 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd7d4a5-cf8f-4001-8aaf-a2b5efeda6ba/bin/utaipan-verify-SwPr7d2a91/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-24 23:22:22,710 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:22:22,711 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:22:22,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:22:22,740 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:22:22,741 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:22:22,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:22:22,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:22:22,743 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:22:22,744 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:22:22,744 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:22:22,745 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:22:22,746 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:22:22,746 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:22:22,747 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:22:22,748 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:22:22,748 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:22:22,749 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:22:22,750 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:22:22,750 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:22:22,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:22:22,752 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:22:22,753 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:22:22,753 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:22:22,754 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:22:22,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:22:22,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:22:22,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:22:22,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:22:22,756 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-24 23:22:22,757 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:22:22,757 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:22:22,758 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:22:22,758 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:22:22,759 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:22:22,759 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:22:22,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:22:22,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:22:22,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:22:22,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:22:22,761 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:22:22,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:22:22,762 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:22:22,762 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:22:22,762 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:22:22,763 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:22:22,763 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_7fd7d4a5-cf8f-4001-8aaf-a2b5efeda6ba/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd7d4a5-cf8f-4001-8aaf-a2b5efeda6ba/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e368f9929dbba9f95a2cf9bb03ad888bdb9b2cf2face386050ade96538e7b31 [2023-11-24 23:22:23,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:22:23,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:22:23,057 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:22:23,058 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:22:23,059 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:22:23,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd7d4a5-cf8f-4001-8aaf-a2b5efeda6ba/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/goblint-regression/36-apron_16-traces-unprot2_true.i [2023-11-24 23:22:26,373 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:22:26,638 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:22:26,638 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd7d4a5-cf8f-4001-8aaf-a2b5efeda6ba/sv-benchmarks/c/goblint-regression/36-apron_16-traces-unprot2_true.i [2023-11-24 23:22:26,658 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd7d4a5-cf8f-4001-8aaf-a2b5efeda6ba/bin/utaipan-verify-SwPr7d2a91/data/8c2e394f4/c145980916634ed8b86ef7c336a7d608/FLAGa0a702977 [2023-11-24 23:22:26,674 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd7d4a5-cf8f-4001-8aaf-a2b5efeda6ba/bin/utaipan-verify-SwPr7d2a91/data/8c2e394f4/c145980916634ed8b86ef7c336a7d608 [2023-11-24 23:22:26,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:22:26,679 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:22:26,681 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:22:26,681 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:22:26,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:22:26,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:22:26" (1/1) ... [2023-11-24 23:22:26,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d91856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:26, skipping insertion in model container [2023-11-24 23:22:26,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:22:26" (1/1) ... [2023-11-24 23:22:26,741 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:22:27,221 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:22:27,232 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:22:27,299 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:22:27,350 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:22:27,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:27 WrapperNode [2023-11-24 23:22:27,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:22:27,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:22:27,353 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:22:27,353 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:22:27,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:27" (1/1) ... [2023-11-24 23:22:27,390 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:27" (1/1) ... [2023-11-24 23:22:27,417 INFO L138 Inliner]: procedures = 162, calls = 13, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2023-11-24 23:22:27,417 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:22:27,418 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:22:27,418 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:22:27,419 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:22:27,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:27" (1/1) ... [2023-11-24 23:22:27,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:27" (1/1) ... [2023-11-24 23:22:27,437 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:27" (1/1) ... [2023-11-24 23:22:27,438 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:27" (1/1) ... [2023-11-24 23:22:27,445 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:27" (1/1) ... [2023-11-24 23:22:27,457 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:27" (1/1) ... [2023-11-24 23:22:27,462 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:27" (1/1) ... [2023-11-24 23:22:27,468 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:27" (1/1) ... [2023-11-24 23:22:27,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:22:27,473 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:22:27,473 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:22:27,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:22:27,474 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:27" (1/1) ... [2023-11-24 23:22:27,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:22:27,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd7d4a5-cf8f-4001-8aaf-a2b5efeda6ba/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:22:27,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd7d4a5-cf8f-4001-8aaf-a2b5efeda6ba/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:22:27,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd7d4a5-cf8f-4001-8aaf-a2b5efeda6ba/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:22:27,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:22:27,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:22:27,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:22:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-24 23:22:27,605 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-24 23:22:27,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:22:27,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:22:27,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:22:27,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:22:27,610 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 23:22:27,738 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:22:27,741 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:22:27,904 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:22:27,915 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:22:27,916 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:22:27,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:22:27 BoogieIcfgContainer [2023-11-24 23:22:27,918 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:22:27,921 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:22:27,921 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:22:27,924 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:22:27,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:22:26" (1/3) ... [2023-11-24 23:22:27,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e8619a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:22:27, skipping insertion in model container [2023-11-24 23:22:27,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:27" (2/3) ... [2023-11-24 23:22:27,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e8619a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:22:27, skipping insertion in model container [2023-11-24 23:22:27,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:22:27" (3/3) ... [2023-11-24 23:22:27,928 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_16-traces-unprot2_true.i [2023-11-24 23:22:27,939 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-24 23:22:27,950 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:22:27,950 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-24 23:22:27,950 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-24 23:22:28,000 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-24 23:22:28,033 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 68 places, 66 transitions, 136 flow [2023-11-24 23:22:28,053 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 86 states, 83 states have (on average 1.5301204819277108) internal successors, (127), 85 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:22:28,074 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:22:28,081 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@524d38c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:22:28,082 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-24 23:22:28,084 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 83 states have (on average 1.5301204819277108) internal successors, (127), 85 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:22:28,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:22:28,092 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:22:28,093 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:22:28,093 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 23:22:28,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:22:28,099 INFO L85 PathProgramCache]: Analyzing trace with hash -284582561, now seen corresponding path program 1 times [2023-11-24 23:22:28,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:22:28,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499893376] [2023-11-24 23:22:28,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:28,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:22:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:22:28,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:22:28,378 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:22:28,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499893376] [2023-11-24 23:22:28,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499893376] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:22:28,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:22:28,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:22:28,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659537712] [2023-11-24 23:22:28,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:22:28,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:22:28,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:22:28,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:22:28,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:22:28,420 INFO L87 Difference]: Start difference. First operand has 86 states, 83 states have (on average 1.5301204819277108) internal successors, (127), 85 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:22:28,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:22:28,460 INFO L93 Difference]: Finished difference Result 82 states and 120 transitions. [2023-11-24 23:22:28,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:22:28,463 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2023-11-24 23:22:28,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:22:28,474 INFO L225 Difference]: With dead ends: 82 [2023-11-24 23:22:28,474 INFO L226 Difference]: Without dead ends: 82 [2023-11-24 23:22:28,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:22:28,480 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 4 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:22:28,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 74 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:22:28,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-24 23:22:28,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-11-24 23:22:28,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 80 states have (on average 1.5) internal successors, (120), 81 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:22:28,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 120 transitions. [2023-11-24 23:22:28,529 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 120 transitions. Word has length 32 [2023-11-24 23:22:28,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:22:28,529 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 120 transitions. [2023-11-24 23:22:28,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:22:28,530 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 120 transitions. [2023-11-24 23:22:28,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 23:22:28,532 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:22:28,532 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:22:28,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:22:28,533 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-24 23:22:28,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:22:28,534 INFO L85 PathProgramCache]: Analyzing trace with hash 266481961, now seen corresponding path program 1 times [2023-11-24 23:22:28,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:22:28,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793444953] [2023-11-24 23:22:28,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:28,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:22:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:22:28,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:22:28,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:22:28,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793444953] [2023-11-24 23:22:28,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793444953] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:22:28,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:22:28,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:22:28,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286647114] [2023-11-24 23:22:28,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:22:28,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:22:28,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:22:28,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:22:28,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:22:28,682 INFO L87 Difference]: Start difference. First operand 82 states and 120 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:22:28,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:22:28,715 INFO L93 Difference]: Finished difference Result 74 states and 106 transitions. [2023-11-24 23:22:28,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:22:28,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2023-11-24 23:22:28,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:22:28,717 INFO L225 Difference]: With dead ends: 74 [2023-11-24 23:22:28,717 INFO L226 Difference]: Without dead ends: 0 [2023-11-24 23:22:28,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:22:28,722 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 5 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:22:28,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 74 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-24 23:22:28,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-24 23:22:28,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-24 23:22:28,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:22:28,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-24 23:22:28,729 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2023-11-24 23:22:28,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:22:28,729 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-24 23:22:28,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:22:28,730 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-24 23:22:28,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:22:28,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2023-11-24 23:22:28,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (2 of 4 remaining) [2023-11-24 23:22:28,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2023-11-24 23:22:28,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-11-24 23:22:28,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 23:22:28,742 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-24 23:22:28,746 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-24 23:22:28,746 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:22:28,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:22:28 BasicIcfg [2023-11-24 23:22:28,762 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:22:28,764 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:22:28,765 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:22:28,765 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:22:28,766 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:22:27" (3/4) ... [2023-11-24 23:22:28,773 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:22:28,779 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-24 23:22:28,794 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-24 23:22:28,794 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 23:22:28,794 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 23:22:28,796 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:22:28,913 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd7d4a5-cf8f-4001-8aaf-a2b5efeda6ba/bin/utaipan-verify-SwPr7d2a91/witness.graphml [2023-11-24 23:22:28,917 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd7d4a5-cf8f-4001-8aaf-a2b5efeda6ba/bin/utaipan-verify-SwPr7d2a91/witness.yml [2023-11-24 23:22:28,917 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:22:28,918 INFO L158 Benchmark]: Toolchain (without parser) took 2239.02ms. Allocated memory is still 153.1MB. Free memory was 107.5MB in the beginning and 72.0MB in the end (delta: 35.5MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2023-11-24 23:22:28,919 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:22:28,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 670.41ms. Allocated memory is still 153.1MB. Free memory was 107.5MB in the beginning and 88.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 23:22:28,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.11ms. Allocated memory is still 153.1MB. Free memory was 88.2MB in the beginning and 86.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:22:28,922 INFO L158 Benchmark]: Boogie Preprocessor took 53.70ms. Allocated memory is still 153.1MB. Free memory was 86.5MB in the beginning and 85.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:22:28,922 INFO L158 Benchmark]: RCFGBuilder took 445.06ms. Allocated memory is still 153.1MB. Free memory was 85.3MB in the beginning and 113.1MB in the end (delta: -27.8MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2023-11-24 23:22:28,923 INFO L158 Benchmark]: TraceAbstraction took 841.46ms. Allocated memory is still 153.1MB. Free memory was 113.1MB in the beginning and 76.6MB in the end (delta: 36.5MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-24 23:22:28,928 INFO L158 Benchmark]: Witness Printer took 153.12ms. Allocated memory is still 153.1MB. Free memory was 76.6MB in the beginning and 72.0MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:22:28,930 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 670.41ms. Allocated memory is still 153.1MB. Free memory was 107.5MB in the beginning and 88.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.11ms. Allocated memory is still 153.1MB. Free memory was 88.2MB in the beginning and 86.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.70ms. Allocated memory is still 153.1MB. Free memory was 86.5MB in the beginning and 85.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 445.06ms. Allocated memory is still 153.1MB. Free memory was 85.3MB in the beginning and 113.1MB in the end (delta: -27.8MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * TraceAbstraction took 841.46ms. Allocated memory is still 153.1MB. Free memory was 113.1MB in the beginning and 76.6MB in the end (delta: 36.5MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 153.12ms. Allocated memory is still 153.1MB. Free memory was 76.6MB in the beginning and 72.0MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 692]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 694]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 70 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 148 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 64 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 84 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 69 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-24 23:22:28,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd7d4a5-cf8f-4001-8aaf-a2b5efeda6ba/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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: TRUE