./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39965cf1-8483-4da2-8f8c-e855d85ea32f/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39965cf1-8483-4da2-8f8c-e855d85ea32f/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39965cf1-8483-4da2-8f8c-e855d85ea32f/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39965cf1-8483-4da2-8f8c-e855d85ea32f/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39965cf1-8483-4da2-8f8c-e855d85ea32f/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39965cf1-8483-4da2-8f8c-e855d85ea32f/bin/uautomizer-verify-84ZbGMXZE1 --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 bdbcb1f6d336419408bc21eb9ac3a89d4566c9a0348f626a712e605b31e52535 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:57:45,484 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:57:45,553 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39965cf1-8483-4da2-8f8c-e855d85ea32f/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-12-02 12:57:45,559 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:57:45,559 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:57:45,585 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:57:45,586 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:57:45,586 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:57:45,587 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:57:45,587 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:57:45,587 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:57:45,587 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:57:45,587 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:57:45,588 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:57:45,588 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:57:45,588 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:57:45,588 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:57:45,588 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:57:45,588 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:57:45,588 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:57:45,588 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:57:45,588 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:57:45,589 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-12-02 12:57:45,589 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 12:57:45,589 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:57:45,589 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:57:45,589 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:57:45,589 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:57:45,589 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:57:45,589 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:57:45,589 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:57:45,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:57:45,590 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:57:45,590 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:57:45,590 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:57:45,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:57:45,590 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:57:45,590 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:57:45,590 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:57:45,590 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:57:45,591 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:57:45,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:57:45,591 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:57:45,591 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:57:45,591 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:57:45,591 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:57:45,591 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_39965cf1-8483-4da2-8f8c-e855d85ea32f/bin/uautomizer-verify-84ZbGMXZE1 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 -> bdbcb1f6d336419408bc21eb9ac3a89d4566c9a0348f626a712e605b31e52535 [2024-12-02 12:57:45,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:57:45,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:57:45,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:57:45,883 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:57:45,883 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:57:45,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39965cf1-8483-4da2-8f8c-e855d85ea32f/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i [2024-12-02 12:57:48,796 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39965cf1-8483-4da2-8f8c-e855d85ea32f/bin/uautomizer-verify-84ZbGMXZE1/data/a9c29c682/5ae719f456d642f5a44d8d53f1fb9610/FLAG447d72236 [2024-12-02 12:57:49,045 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:57:49,046 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39965cf1-8483-4da2-8f8c-e855d85ea32f/sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i [2024-12-02 12:57:49,060 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39965cf1-8483-4da2-8f8c-e855d85ea32f/bin/uautomizer-verify-84ZbGMXZE1/data/a9c29c682/5ae719f456d642f5a44d8d53f1fb9610/FLAG447d72236 [2024-12-02 12:57:49,076 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39965cf1-8483-4da2-8f8c-e855d85ea32f/bin/uautomizer-verify-84ZbGMXZE1/data/a9c29c682/5ae719f456d642f5a44d8d53f1fb9610 [2024-12-02 12:57:49,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:57:49,079 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:57:49,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:57:49,081 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:57:49,084 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:57:49,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:57:49" (1/1) ... [2024-12-02 12:57:49,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f5bce4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49, skipping insertion in model container [2024-12-02 12:57:49,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:57:49" (1/1) ... [2024-12-02 12:57:49,119 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:57:49,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:57:49,486 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:57:49,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:57:49,564 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:57:49,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49 WrapperNode [2024-12-02 12:57:49,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:57:49,566 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:57:49,566 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:57:49,566 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:57:49,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2024-12-02 12:57:49,585 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2024-12-02 12:57:49,602 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 100 [2024-12-02 12:57:49,603 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:57:49,603 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:57:49,603 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:57:49,604 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:57:49,611 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2024-12-02 12:57:49,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2024-12-02 12:57:49,614 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2024-12-02 12:57:49,614 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2024-12-02 12:57:49,620 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2024-12-02 12:57:49,621 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2024-12-02 12:57:49,623 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2024-12-02 12:57:49,624 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2024-12-02 12:57:49,625 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2024-12-02 12:57:49,627 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:57:49,628 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:57:49,628 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:57:49,628 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:57:49,629 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (1/1) ... [2024-12-02 12:57:49,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:57:49,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39965cf1-8483-4da2-8f8c-e855d85ea32f/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:57:49,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39965cf1-8483-4da2-8f8c-e855d85ea32f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:57:49,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39965cf1-8483-4da2-8f8c-e855d85ea32f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:57:49,680 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-12-02 12:57:49,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:57:49,681 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-12-02 12:57:49,681 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-12-02 12:57:49,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-02 12:57:49,681 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-12-02 12:57:49,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:57:49,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:57:49,682 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-02 12:57:49,809 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:57:49,811 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:57:49,999 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 12:57:49,999 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:57:50,028 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:57:50,028 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 12:57:50,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:57:50 BoogieIcfgContainer [2024-12-02 12:57:50,029 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:57:50,031 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:57:50,031 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:57:50,034 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:57:50,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:57:49" (1/3) ... [2024-12-02 12:57:50,035 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b8faa9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:57:50, skipping insertion in model container [2024-12-02 12:57:50,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:49" (2/3) ... [2024-12-02 12:57:50,035 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b8faa9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:57:50, skipping insertion in model container [2024-12-02 12:57:50,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:57:50" (3/3) ... [2024-12-02 12:57:50,036 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_20-publish-regression_true.i [2024-12-02 12:57:50,050 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:57:50,052 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_20-publish-regression_true.i that has 2 procedures, 110 locations, 1 initial locations, 0 loop locations, and 5 error locations. [2024-12-02 12:57:50,052 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 12:57:50,103 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-12-02 12:57:50,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 113 places, 115 transitions, 237 flow [2024-12-02 12:57:50,176 INFO L124 PetriNetUnfolderBase]: 6/114 cut-off events. [2024-12-02 12:57:50,179 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-12-02 12:57:50,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 114 events. 6/114 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 84 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 65. Up to 2 conditions per place. [2024-12-02 12:57:50,184 INFO L82 GeneralOperation]: Start removeDead. Operand has 113 places, 115 transitions, 237 flow [2024-12-02 12:57:50,187 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 107 places, 109 transitions, 221 flow [2024-12-02 12:57:50,194 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:57:50,206 INFO L333 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, 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;@569e2b6d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:57:50,206 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-12-02 12:57:50,215 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 12:57:50,215 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2024-12-02 12:57:50,216 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 12:57:50,216 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:57:50,216 INFO L206 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, 1, 1, 1, 1] [2024-12-02 12:57:50,217 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 12:57:50,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:57:50,223 INFO L85 PathProgramCache]: Analyzing trace with hash -370451682, now seen corresponding path program 1 times [2024-12-02 12:57:50,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:57:50,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114510705] [2024-12-02 12:57:50,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:57:50,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:57:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:57:50,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:57:50,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:57:50,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114510705] [2024-12-02 12:57:50,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114510705] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:57:50,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:57:50,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:57:50,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818502338] [2024-12-02 12:57:50,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:57:50,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:57:50,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:57:50,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:57:50,469 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:57:50,507 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 115 [2024-12-02 12:57:50,510 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 109 transitions, 221 flow. Second operand has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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) [2024-12-02 12:57:50,510 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:57:50,510 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 115 [2024-12-02 12:57:50,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:57:50,673 INFO L124 PetriNetUnfolderBase]: 54/415 cut-off events. [2024-12-02 12:57:50,674 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-12-02 12:57:50,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 415 events. 54/415 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2011 event pairs, 21 based on Foata normal form. 46/422 useless extension candidates. Maximal degree in co-relation 510. Up to 84 conditions per place. [2024-12-02 12:57:50,678 INFO L140 encePairwiseOnDemand]: 100/115 looper letters, 19 selfloop transitions, 6 changer transitions 5/104 dead transitions. [2024-12-02 12:57:50,678 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 104 transitions, 265 flow [2024-12-02 12:57:50,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:57:50,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 12:57:50,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 293 transitions. [2024-12-02 12:57:50,690 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8492753623188406 [2024-12-02 12:57:50,692 INFO L175 Difference]: Start difference. First operand has 107 places, 109 transitions, 221 flow. Second operand 3 states and 293 transitions. [2024-12-02 12:57:50,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 104 transitions, 265 flow [2024-12-02 12:57:50,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 104 transitions, 264 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 12:57:50,702 INFO L231 Difference]: Finished difference. Result has 102 places, 95 transitions, 224 flow [2024-12-02 12:57:50,704 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=224, PETRI_PLACES=102, PETRI_TRANSITIONS=95} [2024-12-02 12:57:50,708 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, -5 predicate places. [2024-12-02 12:57:50,708 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 95 transitions, 224 flow [2024-12-02 12:57:50,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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) [2024-12-02 12:57:50,709 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:57:50,709 INFO L206 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:57:50,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 12:57:50,710 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 12:57:50,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:57:50,710 INFO L85 PathProgramCache]: Analyzing trace with hash -288114033, now seen corresponding path program 1 times [2024-12-02 12:57:50,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:57:50,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293173610] [2024-12-02 12:57:50,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:57:50,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:57:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:57:50,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:57:50,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:57:50,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293173610] [2024-12-02 12:57:50,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293173610] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:57:50,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:57:50,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:57:50,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553114908] [2024-12-02 12:57:50,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:57:50,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:57:50,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:57:50,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:57:50,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:57:50,857 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 115 [2024-12-02 12:57:50,858 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 95 transitions, 224 flow. Second operand has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 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) [2024-12-02 12:57:50,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:57:50,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 115 [2024-12-02 12:57:50,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:57:50,945 INFO L124 PetriNetUnfolderBase]: 56/403 cut-off events. [2024-12-02 12:57:50,945 INFO L125 PetriNetUnfolderBase]: For 68/69 co-relation queries the response was YES. [2024-12-02 12:57:50,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 624 conditions, 403 events. 56/403 cut-off events. For 68/69 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2027 event pairs, 36 based on Foata normal form. 0/368 useless extension candidates. Maximal degree in co-relation 578. Up to 119 conditions per place. [2024-12-02 12:57:50,949 INFO L140 encePairwiseOnDemand]: 110/115 looper letters, 21 selfloop transitions, 4 changer transitions 0/100 dead transitions. [2024-12-02 12:57:50,949 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 100 transitions, 288 flow [2024-12-02 12:57:50,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:57:50,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 12:57:50,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 285 transitions. [2024-12-02 12:57:50,952 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8260869565217391 [2024-12-02 12:57:50,952 INFO L175 Difference]: Start difference. First operand has 102 places, 95 transitions, 224 flow. Second operand 3 states and 285 transitions. [2024-12-02 12:57:50,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 100 transitions, 288 flow [2024-12-02 12:57:50,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 100 transitions, 274 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 12:57:50,956 INFO L231 Difference]: Finished difference. Result has 101 places, 98 transitions, 244 flow [2024-12-02 12:57:50,956 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=244, PETRI_PLACES=101, PETRI_TRANSITIONS=98} [2024-12-02 12:57:50,957 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, -6 predicate places. [2024-12-02 12:57:50,957 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 98 transitions, 244 flow [2024-12-02 12:57:50,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 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) [2024-12-02 12:57:50,958 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:57:50,958 INFO L206 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, 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] [2024-12-02 12:57:50,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 12:57:50,958 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 12:57:50,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:57:50,959 INFO L85 PathProgramCache]: Analyzing trace with hash -890630107, now seen corresponding path program 1 times [2024-12-02 12:57:50,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:57:50,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052676887] [2024-12-02 12:57:50,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:57:50,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:57:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:57:51,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:57:51,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:57:51,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052676887] [2024-12-02 12:57:51,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052676887] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:57:51,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:57:51,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:57:51,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704884968] [2024-12-02 12:57:51,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:57:51,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:57:51,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:57:51,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:57:51,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:57:51,147 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 115 [2024-12-02 12:57:51,148 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 98 transitions, 244 flow. Second operand has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 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) [2024-12-02 12:57:51,148 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:57:51,148 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 115 [2024-12-02 12:57:51,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:57:51,230 INFO L124 PetriNetUnfolderBase]: 13/252 cut-off events. [2024-12-02 12:57:51,230 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-12-02 12:57:51,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 342 conditions, 252 events. 13/252 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 913 event pairs, 2 based on Foata normal form. 3/238 useless extension candidates. Maximal degree in co-relation 296. Up to 32 conditions per place. [2024-12-02 12:57:51,231 INFO L140 encePairwiseOnDemand]: 109/115 looper letters, 7 selfloop transitions, 6 changer transitions 1/98 dead transitions. [2024-12-02 12:57:51,232 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 98 transitions, 258 flow [2024-12-02 12:57:51,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:57:51,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 12:57:51,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 301 transitions. [2024-12-02 12:57:51,233 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8724637681159421 [2024-12-02 12:57:51,234 INFO L175 Difference]: Start difference. First operand has 101 places, 98 transitions, 244 flow. Second operand 3 states and 301 transitions. [2024-12-02 12:57:51,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 98 transitions, 258 flow [2024-12-02 12:57:51,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 98 transitions, 246 flow, removed 2 selfloop flow, removed 4 redundant places. [2024-12-02 12:57:51,237 INFO L231 Difference]: Finished difference. Result has 99 places, 96 transitions, 236 flow [2024-12-02 12:57:51,237 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=236, PETRI_PLACES=99, PETRI_TRANSITIONS=96} [2024-12-02 12:57:51,238 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, -8 predicate places. [2024-12-02 12:57:51,238 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 96 transitions, 236 flow [2024-12-02 12:57:51,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.66666666666667) internal successors, (290), 3 states have internal predecessors, (290), 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) [2024-12-02 12:57:51,239 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:57:51,239 INFO L206 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, 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, 1, 1, 1, 1, 1] [2024-12-02 12:57:51,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 12:57:51,239 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 12:57:51,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:57:51,240 INFO L85 PathProgramCache]: Analyzing trace with hash -129981976, now seen corresponding path program 1 times [2024-12-02 12:57:51,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:57:51,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029218935] [2024-12-02 12:57:51,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:57:51,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:57:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:57:51,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:57:51,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:57:51,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029218935] [2024-12-02 12:57:51,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029218935] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:57:51,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:57:51,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:57:51,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764367149] [2024-12-02 12:57:51,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:57:51,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:57:51,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:57:51,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:57:51,303 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:57:51,346 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 115 [2024-12-02 12:57:51,346 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 96 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 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) [2024-12-02 12:57:51,346 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:57:51,346 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 115 [2024-12-02 12:57:51,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:57:51,420 INFO L124 PetriNetUnfolderBase]: 32/333 cut-off events. [2024-12-02 12:57:51,420 INFO L125 PetriNetUnfolderBase]: For 76/81 co-relation queries the response was YES. [2024-12-02 12:57:51,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 333 events. 32/333 cut-off events. For 76/81 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1432 event pairs, 14 based on Foata normal form. 0/311 useless extension candidates. Maximal degree in co-relation 511. Up to 86 conditions per place. [2024-12-02 12:57:51,421 INFO L140 encePairwiseOnDemand]: 110/115 looper letters, 19 selfloop transitions, 3 changer transitions 9/101 dead transitions. [2024-12-02 12:57:51,422 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 101 transitions, 308 flow [2024-12-02 12:57:51,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:57:51,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 12:57:51,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 285 transitions. [2024-12-02 12:57:51,423 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8260869565217391 [2024-12-02 12:57:51,424 INFO L175 Difference]: Start difference. First operand has 99 places, 96 transitions, 236 flow. Second operand 3 states and 285 transitions. [2024-12-02 12:57:51,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 101 transitions, 308 flow [2024-12-02 12:57:51,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 101 transitions, 300 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 12:57:51,427 INFO L231 Difference]: Finished difference. Result has 102 places, 91 transitions, 234 flow [2024-12-02 12:57:51,427 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=102, PETRI_TRANSITIONS=91} [2024-12-02 12:57:51,428 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, -5 predicate places. [2024-12-02 12:57:51,428 INFO L471 AbstractCegarLoop]: Abstraction has has 102 places, 91 transitions, 234 flow [2024-12-02 12:57:51,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 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) [2024-12-02 12:57:51,429 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:57:51,429 INFO L206 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:57:51,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 12:57:51,429 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-12-02 12:57:51,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:57:51,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1189693402, now seen corresponding path program 1 times [2024-12-02 12:57:51,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:57:51,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029736112] [2024-12-02 12:57:51,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:57:51,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:57:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:57:51,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:57:51,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:57:51,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029736112] [2024-12-02 12:57:51,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029736112] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:57:51,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:57:51,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:57:51,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891428558] [2024-12-02 12:57:51,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:57:51,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:57:51,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:57:51,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:57:51,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:57:51,836 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 115 [2024-12-02 12:57:51,837 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 91 transitions, 234 flow. Second operand has 6 states, 6 states have (on average 95.33333333333333) internal successors, (572), 6 states have internal predecessors, (572), 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) [2024-12-02 12:57:51,837 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:57:51,837 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 115 [2024-12-02 12:57:51,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:57:51,891 INFO L124 PetriNetUnfolderBase]: 0/106 cut-off events. [2024-12-02 12:57:51,891 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-12-02 12:57:51,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 106 events. 0/106 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 2/107 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place. [2024-12-02 12:57:51,892 INFO L140 encePairwiseOnDemand]: 110/115 looper letters, 0 selfloop transitions, 0 changer transitions 80/80 dead transitions. [2024-12-02 12:57:51,892 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 80 transitions, 210 flow [2024-12-02 12:57:51,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:57:51,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-12-02 12:57:51,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 480 transitions. [2024-12-02 12:57:51,894 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8347826086956521 [2024-12-02 12:57:51,894 INFO L175 Difference]: Start difference. First operand has 102 places, 91 transitions, 234 flow. Second operand 5 states and 480 transitions. [2024-12-02 12:57:51,894 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 80 transitions, 210 flow [2024-12-02 12:57:51,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 80 transitions, 184 flow, removed 3 selfloop flow, removed 7 redundant places. [2024-12-02 12:57:51,896 INFO L231 Difference]: Finished difference. Result has 88 places, 0 transitions, 0 flow [2024-12-02 12:57:51,896 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=88, PETRI_TRANSITIONS=0} [2024-12-02 12:57:51,897 INFO L279 CegarLoopForPetriNet]: 107 programPoint places, -19 predicate places. [2024-12-02 12:57:51,897 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 0 transitions, 0 flow [2024-12-02 12:57:51,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 95.33333333333333) internal successors, (572), 6 states have internal predecessors, (572), 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) [2024-12-02 12:57:51,900 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2024-12-02 12:57:51,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2024-12-02 12:57:51,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 9 remaining) [2024-12-02 12:57:51,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2024-12-02 12:57:51,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining) [2024-12-02 12:57:51,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2024-12-02 12:57:51,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2024-12-02 12:57:51,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2024-12-02 12:57:51,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2024-12-02 12:57:51,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 12:57:51,902 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-12-02 12:57:51,908 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-02 12:57:51,908 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:57:51,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:57:51 BasicIcfg [2024-12-02 12:57:51,914 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:57:51,914 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:57:51,914 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:57:51,915 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:57:51,915 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:57:50" (3/4) ... [2024-12-02 12:57:51,917 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 12:57:51,920 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-12-02 12:57:51,924 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-12-02 12:57:51,924 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 12:57:51,924 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-02 12:57:51,924 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 12:57:52,002 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39965cf1-8483-4da2-8f8c-e855d85ea32f/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 12:57:52,002 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39965cf1-8483-4da2-8f8c-e855d85ea32f/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 12:57:52,003 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:57:52,003 INFO L158 Benchmark]: Toolchain (without parser) took 2923.80ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 92.3MB in the end (delta: 24.1MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2024-12-02 12:57:52,004 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 83.4MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:57:52,004 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.44ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 96.8MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 12:57:52,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.38ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 95.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:57:52,005 INFO L158 Benchmark]: Boogie Preprocessor took 23.99ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 94.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:57:52,005 INFO L158 Benchmark]: RCFGBuilder took 400.90ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 77.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 12:57:52,005 INFO L158 Benchmark]: TraceAbstraction took 1882.81ms. Allocated memory is still 142.6MB. Free memory was 77.2MB in the beginning and 96.0MB in the end (delta: -18.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:57:52,005 INFO L158 Benchmark]: Witness Printer took 88.33ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 92.3MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:57:52,007 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 83.4MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 484.44ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 96.8MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.38ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 95.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.99ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 94.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 400.90ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 77.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1882.81ms. Allocated memory is still 142.6MB. Free memory was 77.2MB in the beginning and 96.0MB in the end (delta: -18.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 88.33ms. Allocated memory is still 142.6MB. Free memory was 96.0MB in the beginning and 92.3MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: 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, 153 locations, 9 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: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 170 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 267 IncrementalHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 25 mSDtfsCounter, 267 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=244occurred in iteration=2, InterpolantAutomatonStates: 17, 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, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 250 NumberOfCodeBlocks, 250 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 245 ConstructedInterpolants, 0 QuantifiedInterpolants, 560 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 12:57:52,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39965cf1-8483-4da2-8f8c-e855d85ea32f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE