./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/triangular-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc 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_5798278a-f111-4105-9e95-0de1e58875a7/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5798278a-f111-4105-9e95-0de1e58875a7/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5798278a-f111-4105-9e95-0de1e58875a7/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5798278a-f111-4105-9e95-0de1e58875a7/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/triangular-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5798278a-f111-4105-9e95-0de1e58875a7/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5798278a-f111-4105-9e95-0de1e58875a7/bin/uautomizer-verify-VRDe98Ueme --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9ca4ad6de5ce46f9737c47ccc55c2628eaef135acf1b94c234f6d96d13f1ccb1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:58:49,999 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:58:50,107 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5798278a-f111-4105-9e95-0de1e58875a7/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:58:50,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:58:50,114 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:58:50,137 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:58:50,138 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:58:50,139 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:58:50,140 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:58:50,140 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:58:50,141 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:58:50,142 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:58:50,143 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:58:50,144 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:58:50,144 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:58:50,145 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:58:50,146 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:58:50,147 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:58:50,147 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:58:50,148 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:58:50,148 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:58:50,149 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:58:50,150 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:58:50,150 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:58:50,151 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:58:50,152 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:58:50,152 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:58:50,153 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:58:50,153 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:58:50,154 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:58:50,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:58:50,155 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:58:50,155 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:58:50,156 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:58:50,156 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:58:50,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:58:50,157 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:58:50,158 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:58:50,158 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:58:50,159 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:58:50,159 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:58:50,160 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_5798278a-f111-4105-9e95-0de1e58875a7/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5798278a-f111-4105-9e95-0de1e58875a7/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ca4ad6de5ce46f9737c47ccc55c2628eaef135acf1b94c234f6d96d13f1ccb1 [2023-11-26 11:58:50,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:58:50,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:58:50,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:58:50,492 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:58:50,493 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:58:50,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5798278a-f111-4105-9e95-0de1e58875a7/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/pthread/triangular-2.i [2023-11-26 11:58:53,738 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:58:54,081 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:58:54,082 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5798278a-f111-4105-9e95-0de1e58875a7/sv-benchmarks/c/pthread/triangular-2.i [2023-11-26 11:58:54,108 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5798278a-f111-4105-9e95-0de1e58875a7/bin/uautomizer-verify-VRDe98Ueme/data/a846c0e26/e955a39cc932450ba8cc253f5b5eaad4/FLAGd21763275 [2023-11-26 11:58:54,128 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5798278a-f111-4105-9e95-0de1e58875a7/bin/uautomizer-verify-VRDe98Ueme/data/a846c0e26/e955a39cc932450ba8cc253f5b5eaad4 [2023-11-26 11:58:54,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:58:54,136 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:58:54,138 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:58:54,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:58:54,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:58:54,145 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:58:54" (1/1) ... [2023-11-26 11:58:54,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c10e0f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:54, skipping insertion in model container [2023-11-26 11:58:54,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:58:54" (1/1) ... [2023-11-26 11:58:54,221 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:58:54,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:58:54,709 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:58:54,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:58:54,847 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:58:54,847 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:58:54,861 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:58:54,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:54 WrapperNode [2023-11-26 11:58:54,862 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:58:54,863 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:58:54,863 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:58:54,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:58:54,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:54" (1/1) ... [2023-11-26 11:58:54,927 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:54" (1/1) ... [2023-11-26 11:58:54,951 INFO L138 Inliner]: procedures = 169, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2023-11-26 11:58:54,952 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:58:54,953 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:58:54,953 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:58:54,953 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:58:54,968 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:54" (1/1) ... [2023-11-26 11:58:54,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:54" (1/1) ... [2023-11-26 11:58:54,977 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:54" (1/1) ... [2023-11-26 11:58:54,977 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:54" (1/1) ... [2023-11-26 11:58:54,993 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:54" (1/1) ... [2023-11-26 11:58:54,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:54" (1/1) ... [2023-11-26 11:58:54,999 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:54" (1/1) ... [2023-11-26 11:58:55,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:54" (1/1) ... [2023-11-26 11:58:55,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:58:55,020 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:58:55,020 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:58:55,020 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:58:55,021 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:54" (1/1) ... [2023-11-26 11:58:55,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:58:55,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5798278a-f111-4105-9e95-0de1e58875a7/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:58:55,067 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5798278a-f111-4105-9e95-0de1e58875a7/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:58:55,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5798278a-f111-4105-9e95-0de1e58875a7/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:58:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-26 11:58:55,119 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-26 11:58:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-26 11:58:55,120 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-26 11:58:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:58:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 11:58:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:58:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:58:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:58:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:58:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 11:58:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:58:55,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:58:55,125 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 11:58:55,323 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:58:55,326 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:58:55,534 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:58:55,583 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:58:55,584 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 11:58:55,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:58:55 BoogieIcfgContainer [2023-11-26 11:58:55,591 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:58:55,595 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:58:55,597 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:58:55,601 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:58:55,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:58:54" (1/3) ... [2023-11-26 11:58:55,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b573f5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:58:55, skipping insertion in model container [2023-11-26 11:58:55,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:58:54" (2/3) ... [2023-11-26 11:58:55,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b573f5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:58:55, skipping insertion in model container [2023-11-26 11:58:55,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:58:55" (3/3) ... [2023-11-26 11:58:55,607 INFO L112 eAbstractionObserver]: Analyzing ICFG triangular-2.i [2023-11-26 11:58:55,622 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:58:55,634 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:58:55,635 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-26 11:58:55,635 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:58:55,716 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-26 11:58:55,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 79 places, 78 transitions, 164 flow [2023-11-26 11:58:55,798 INFO L124 PetriNetUnfolderBase]: 6/76 cut-off events. [2023-11-26 11:58:55,799 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:58:55,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 76 events. 6/76 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 119 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2023-11-26 11:58:55,805 INFO L82 GeneralOperation]: Start removeDead. Operand has 79 places, 78 transitions, 164 flow [2023-11-26 11:58:55,814 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 76 transitions, 158 flow [2023-11-26 11:58:55,840 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:58:55,849 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=PETRI_NET, 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;@67e2afb8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:58:55,850 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-11-26 11:58:55,869 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:58:55,870 INFO L124 PetriNetUnfolderBase]: 1/27 cut-off events. [2023-11-26 11:58:55,870 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:58:55,870 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:58:55,871 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:58:55,871 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2023-11-26 11:58:55,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:58:55,880 INFO L85 PathProgramCache]: Analyzing trace with hash -820142565, now seen corresponding path program 1 times [2023-11-26 11:58:55,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:58:55,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625133845] [2023-11-26 11:58:55,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:58:55,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:58:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:58:56,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:58:56,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:58:56,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625133845] [2023-11-26 11:58:56,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625133845] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:58:56,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:58:56,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-26 11:58:56,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037812091] [2023-11-26 11:58:56,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:58:56,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:58:56,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:58:56,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:58:56,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:58:56,168 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 78 [2023-11-26 11:58:56,170 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 76 transitions, 158 flow. Second operand has 2 states, 2 states have (on average 62.0) internal successors, (124), 2 states have internal predecessors, (124), 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) [2023-11-26 11:58:56,171 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:58:56,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 78 [2023-11-26 11:58:56,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:58:56,240 INFO L124 PetriNetUnfolderBase]: 18/150 cut-off events. [2023-11-26 11:58:56,240 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-26 11:58:56,242 INFO L83 FinitePrefix]: Finished finitePrefix Result has 190 conditions, 150 events. 18/150 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 502 event pairs, 10 based on Foata normal form. 26/164 useless extension candidates. Maximal degree in co-relation 165. Up to 31 conditions per place. [2023-11-26 11:58:56,244 INFO L140 encePairwiseOnDemand]: 68/78 looper letters, 0 selfloop transitions, 0 changer transitions 63/63 dead transitions. [2023-11-26 11:58:56,244 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 63 transitions, 144 flow [2023-11-26 11:58:56,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:58:56,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-26 11:58:56,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 138 transitions. [2023-11-26 11:58:56,257 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8846153846153846 [2023-11-26 11:58:56,258 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 138 transitions. [2023-11-26 11:58:56,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 138 transitions. [2023-11-26 11:58:56,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:58:56,261 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 138 transitions. [2023-11-26 11:58:56,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 69.0) internal successors, (138), 2 states have internal predecessors, (138), 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) [2023-11-26 11:58:56,268 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2023-11-26 11:58:56,268 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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) [2023-11-26 11:58:56,270 INFO L175 Difference]: Start difference. First operand has 77 places, 76 transitions, 158 flow. Second operand 2 states and 138 transitions. [2023-11-26 11:58:56,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 63 transitions, 144 flow [2023-11-26 11:58:56,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 63 transitions, 142 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:58:56,275 INFO L231 Difference]: Finished difference. Result has 67 places, 0 transitions, 0 flow [2023-11-26 11:58:56,277 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=67, PETRI_TRANSITIONS=0} [2023-11-26 11:58:56,281 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -10 predicate places. [2023-11-26 11:58:56,281 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 0 transitions, 0 flow [2023-11-26 11:58:56,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 62.0) internal successors, (124), 2 states have internal predecessors, (124), 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) [2023-11-26 11:58:56,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2023-11-26 11:58:56,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2023-11-26 11:58:56,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 12 remaining) [2023-11-26 11:58:56,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 12 remaining) [2023-11-26 11:58:56,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2023-11-26 11:58:56,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2023-11-26 11:58:56,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2023-11-26 11:58:56,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2023-11-26 11:58:56,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2023-11-26 11:58:56,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2023-11-26 11:58:56,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2023-11-26 11:58:56,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2023-11-26 11:58:56,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:58:56,288 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-26 11:58:56,295 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 11:58:56,295 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:58:56,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:58:56 BasicIcfg [2023-11-26 11:58:56,315 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:58:56,315 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:58:56,316 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:58:56,316 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:58:56,316 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:58:55" (3/4) ... [2023-11-26 11:58:56,318 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 11:58:56,323 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t1 [2023-11-26 11:58:56,324 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2 [2023-11-26 11:58:56,330 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-26 11:58:56,330 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-26 11:58:56,330 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 11:58:56,331 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 11:58:56,483 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5798278a-f111-4105-9e95-0de1e58875a7/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:58:56,484 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5798278a-f111-4105-9e95-0de1e58875a7/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 11:58:56,484 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:58:56,485 INFO L158 Benchmark]: Toolchain (without parser) took 2349.50ms. Allocated memory was 107.0MB in the beginning and 159.4MB in the end (delta: 52.4MB). Free memory was 60.8MB in the beginning and 123.9MB in the end (delta: -63.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:58:56,486 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 107.0MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:58:56,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 723.96ms. Allocated memory is still 107.0MB. Free memory was 60.8MB in the beginning and 75.3MB in the end (delta: -14.5MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2023-11-26 11:58:56,487 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.77ms. Allocated memory was 107.0MB in the beginning and 159.4MB in the end (delta: 52.4MB). Free memory was 75.2MB in the beginning and 129.2MB in the end (delta: -54.0MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2023-11-26 11:58:56,488 INFO L158 Benchmark]: Boogie Preprocessor took 66.19ms. Allocated memory is still 159.4MB. Free memory was 129.2MB in the beginning and 127.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:58:56,488 INFO L158 Benchmark]: RCFGBuilder took 571.83ms. Allocated memory is still 159.4MB. Free memory was 127.0MB in the beginning and 111.1MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 11:58:56,489 INFO L158 Benchmark]: TraceAbstraction took 720.26ms. Allocated memory is still 159.4MB. Free memory was 110.3MB in the beginning and 128.0MB in the end (delta: -17.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-26 11:58:56,489 INFO L158 Benchmark]: Witness Printer took 169.17ms. Allocated memory is still 159.4MB. Free memory was 128.0MB in the beginning and 123.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:58:56,492 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 107.0MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 723.96ms. Allocated memory is still 107.0MB. Free memory was 60.8MB in the beginning and 75.3MB in the end (delta: -14.5MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.77ms. Allocated memory was 107.0MB in the beginning and 159.4MB in the end (delta: 52.4MB). Free memory was 75.2MB in the beginning and 129.2MB in the end (delta: -54.0MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.19ms. Allocated memory is still 159.4MB. Free memory was 129.2MB in the beginning and 127.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 571.83ms. Allocated memory is still 159.4MB. Free memory was 127.0MB in the beginning and 111.1MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 720.26ms. Allocated memory is still 159.4MB. Free memory was 110.3MB in the beginning and 128.0MB in the end (delta: -17.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 169.17ms. Allocated memory is still 159.4MB. Free memory was 128.0MB in the beginning and 123.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: 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 5 procedures, 101 locations, 12 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 11:58:56,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5798278a-f111-4105-9e95-0de1e58875a7/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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