./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/10-synch_01-thread_unique.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcfacae-018d-4f53-bc1c-620f35d4899b/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcfacae-018d-4f53-bc1c-620f35d4899b/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_ffcfacae-018d-4f53-bc1c-620f35d4899b/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcfacae-018d-4f53-bc1c-620f35d4899b/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/10-synch_01-thread_unique.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcfacae-018d-4f53-bc1c-620f35d4899b/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_ffcfacae-018d-4f53-bc1c-620f35d4899b/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 1f1f1c8f9ab1c230a124cee5d642a3f2063dd1bf51b20bdb3c19b17194d93f67 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:50:09,427 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:50:09,563 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcfacae-018d-4f53-bc1c-620f35d4899b/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:50:09,572 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:50:09,573 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:50:09,619 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:50:09,620 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:50:09,621 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:50:09,622 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:50:09,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:50:09,629 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:50:09,629 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:50:09,630 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:50:09,632 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:50:09,633 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:50:09,633 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:50:09,634 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:50:09,634 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:50:09,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:50:09,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:50:09,636 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:50:09,637 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:50:09,637 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:50:09,638 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:50:09,638 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:50:09,639 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:50:09,639 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:50:09,641 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:50:09,641 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:50:09,642 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:50:09,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:50:09,644 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:50:09,644 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:50:09,645 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:50:09,645 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:50:09,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:50:09,646 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:50:09,646 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:50:09,646 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:50:09,647 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:50:09,647 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:50:09,648 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_ffcfacae-018d-4f53-bc1c-620f35d4899b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcfacae-018d-4f53-bc1c-620f35d4899b/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f1f1c8f9ab1c230a124cee5d642a3f2063dd1bf51b20bdb3c19b17194d93f67 [2023-11-26 11:50:10,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:50:10,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:50:10,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:50:10,081 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:50:10,082 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:50:10,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcfacae-018d-4f53-bc1c-620f35d4899b/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/goblint-regression/10-synch_01-thread_unique.i [2023-11-26 11:50:13,431 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:50:13,830 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:50:13,834 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcfacae-018d-4f53-bc1c-620f35d4899b/sv-benchmarks/c/goblint-regression/10-synch_01-thread_unique.i [2023-11-26 11:50:13,868 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcfacae-018d-4f53-bc1c-620f35d4899b/bin/uautomizer-verify-VRDe98Ueme/data/b374199d9/c37474a8b4ee4d1d92ed40354994df36/FLAG2b98b35ec [2023-11-26 11:50:13,885 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcfacae-018d-4f53-bc1c-620f35d4899b/bin/uautomizer-verify-VRDe98Ueme/data/b374199d9/c37474a8b4ee4d1d92ed40354994df36 [2023-11-26 11:50:13,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:50:13,890 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:50:13,892 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:50:13,892 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:50:13,899 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:50:13,899 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:50:13" (1/1) ... [2023-11-26 11:50:13,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@650c48f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:13, skipping insertion in model container [2023-11-26 11:50:13,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:50:13" (1/1) ... [2023-11-26 11:50:13,967 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:50:14,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:50:14,473 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:50:14,514 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:50:14,581 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:50:14,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:14 WrapperNode [2023-11-26 11:50:14,582 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:50:14,583 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:50:14,583 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:50:14,583 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:50:14,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:14" (1/1) ... [2023-11-26 11:50:14,608 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:14" (1/1) ... [2023-11-26 11:50:14,630 INFO L138 Inliner]: procedures = 259, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2023-11-26 11:50:14,631 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:50:14,632 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:50:14,632 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:50:14,632 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:50:14,641 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:14" (1/1) ... [2023-11-26 11:50:14,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:14" (1/1) ... [2023-11-26 11:50:14,645 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:14" (1/1) ... [2023-11-26 11:50:14,645 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:14" (1/1) ... [2023-11-26 11:50:14,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:14" (1/1) ... [2023-11-26 11:50:14,653 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:14" (1/1) ... [2023-11-26 11:50:14,655 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:14" (1/1) ... [2023-11-26 11:50:14,656 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:14" (1/1) ... [2023-11-26 11:50:14,659 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:50:14,660 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:50:14,660 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:50:14,660 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:50:14,661 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:14" (1/1) ... [2023-11-26 11:50:14,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:50:14,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcfacae-018d-4f53-bc1c-620f35d4899b/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:50:14,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcfacae-018d-4f53-bc1c-620f35d4899b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:50:14,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcfacae-018d-4f53-bc1c-620f35d4899b/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:50:14,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:50:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:50:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 11:50:14,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:50:14,769 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-26 11:50:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-26 11:50:14,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:50:14,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:50:14,771 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 11:50:14,956 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:50:14,959 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:50:15,168 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:50:15,179 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:50:15,182 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:50:15,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:50:15 BoogieIcfgContainer [2023-11-26 11:50:15,186 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:50:15,201 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:50:15,201 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:50:15,205 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:50:15,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:50:13" (1/3) ... [2023-11-26 11:50:15,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46770b43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:50:15, skipping insertion in model container [2023-11-26 11:50:15,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:14" (2/3) ... [2023-11-26 11:50:15,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46770b43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:50:15, skipping insertion in model container [2023-11-26 11:50:15,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:50:15" (3/3) ... [2023-11-26 11:50:15,208 INFO L112 eAbstractionObserver]: Analyzing ICFG 10-synch_01-thread_unique.i [2023-11-26 11:50:15,218 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:50:15,229 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:50:15,229 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-26 11:50:15,230 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:50:15,272 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-26 11:50:15,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 41 places, 37 transitions, 81 flow [2023-11-26 11:50:15,371 INFO L124 PetriNetUnfolderBase]: 0/36 cut-off events. [2023-11-26 11:50:15,371 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-26 11:50:15,375 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 36 events. 0/36 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 21 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-11-26 11:50:15,376 INFO L82 GeneralOperation]: Start removeDead. Operand has 41 places, 37 transitions, 81 flow [2023-11-26 11:50:15,381 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 32 places, 28 transitions, 59 flow [2023-11-26 11:50:15,402 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:50:15,410 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;@51c0d8eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:50:15,410 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-26 11:50:15,425 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:50:15,426 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2023-11-26 11:50:15,426 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:50:15,426 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:50:15,427 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:50:15,431 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-26 11:50:15,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:15,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1622959391, now seen corresponding path program 1 times [2023-11-26 11:50:15,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:50:15,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703927336] [2023-11-26 11:50:15,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:15,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:50:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:15,716 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 11:50:15,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:50:15,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703927336] [2023-11-26 11:50:15,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703927336] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:50:15,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:50:15,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:50:15,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639065444] [2023-11-26 11:50:15,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:50:15,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:50:15,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:50:15,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:50:15,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:50:15,801 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 37 [2023-11-26 11:50:15,803 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 28 transitions, 59 flow. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 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 11:50:15,804 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:50:15,804 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 37 [2023-11-26 11:50:15,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:50:15,831 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events. [2023-11-26 11:50:15,832 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-26 11:50:15,832 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 27 events. 0/27 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 18 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2023-11-26 11:50:15,833 INFO L140 encePairwiseOnDemand]: 34/37 looper letters, 3 selfloop transitions, 2 changer transitions 1/27 dead transitions. [2023-11-26 11:50:15,833 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 27 transitions, 67 flow [2023-11-26 11:50:15,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:50:15,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:50:15,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 96 transitions. [2023-11-26 11:50:15,848 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8648648648648649 [2023-11-26 11:50:15,849 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 96 transitions. [2023-11-26 11:50:15,850 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 96 transitions. [2023-11-26 11:50:15,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:50:15,853 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 96 transitions. [2023-11-26 11:50:15,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 11:50:15,860 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 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 11:50:15,861 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 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 11:50:15,863 INFO L175 Difference]: Start difference. First operand has 32 places, 28 transitions, 59 flow. Second operand 3 states and 96 transitions. [2023-11-26 11:50:15,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 27 transitions, 67 flow [2023-11-26 11:50:15,867 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 27 transitions, 66 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:50:15,869 INFO L231 Difference]: Finished difference. Result has 32 places, 26 transitions, 58 flow [2023-11-26 11:50:15,871 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=58, PETRI_PLACES=32, PETRI_TRANSITIONS=26} [2023-11-26 11:50:15,876 INFO L281 CegarLoopForPetriNet]: 32 programPoint places, 0 predicate places. [2023-11-26 11:50:15,876 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 26 transitions, 58 flow [2023-11-26 11:50:15,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 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 11:50:15,877 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:50:15,877 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:50:15,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:50:15,878 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-26 11:50:15,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:15,879 INFO L85 PathProgramCache]: Analyzing trace with hash -266169787, now seen corresponding path program 1 times [2023-11-26 11:50:15,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:50:15,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811157720] [2023-11-26 11:50:15,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:15,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:50:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:16,634 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 11:50:16,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:50:16,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811157720] [2023-11-26 11:50:16,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811157720] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:50:16,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:50:16,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:50:16,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838552041] [2023-11-26 11:50:16,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:50:16,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:50:16,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:50:16,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:50:16,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:50:16,763 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 37 [2023-11-26 11:50:16,765 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 26 transitions, 58 flow. Second operand has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 6 states have internal predecessors, (158), 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 11:50:16,765 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:50:16,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 37 [2023-11-26 11:50:16,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:50:16,789 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2023-11-26 11:50:16,789 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:50:16,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 25 events. 0/25 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 13 event pairs, 0 based on Foata normal form. 1/26 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2023-11-26 11:50:16,790 INFO L140 encePairwiseOnDemand]: 32/37 looper letters, 0 selfloop transitions, 0 changer transitions 25/25 dead transitions. [2023-11-26 11:50:16,790 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 25 transitions, 70 flow [2023-11-26 11:50:16,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:50:16,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 11:50:16,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 158 transitions. [2023-11-26 11:50:16,800 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7117117117117117 [2023-11-26 11:50:16,800 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 158 transitions. [2023-11-26 11:50:16,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 158 transitions. [2023-11-26 11:50:16,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:50:16,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 158 transitions. [2023-11-26 11:50:16,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 26.333333333333332) internal successors, (158), 6 states have internal predecessors, (158), 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 11:50:16,804 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 37.0) internal successors, (259), 7 states have internal predecessors, (259), 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 11:50:16,805 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 37.0) internal successors, (259), 7 states have internal predecessors, (259), 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 11:50:16,805 INFO L175 Difference]: Start difference. First operand has 32 places, 26 transitions, 58 flow. Second operand 6 states and 158 transitions. [2023-11-26 11:50:16,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 25 transitions, 70 flow [2023-11-26 11:50:16,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 25 transitions, 66 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 11:50:16,806 INFO L231 Difference]: Finished difference. Result has 33 places, 0 transitions, 0 flow [2023-11-26 11:50:16,807 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=33, PETRI_TRANSITIONS=0} [2023-11-26 11:50:16,808 INFO L281 CegarLoopForPetriNet]: 32 programPoint places, 1 predicate places. [2023-11-26 11:50:16,808 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 0 transitions, 0 flow [2023-11-26 11:50:16,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 6 states have internal predecessors, (158), 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 11:50:16,811 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2023-11-26 11:50:16,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-11-26 11:50:16,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2023-11-26 11:50:16,812 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2023-11-26 11:50:16,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:50:16,813 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-26 11:50:16,819 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 11:50:16,819 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:50:16,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:50:16 BasicIcfg [2023-11-26 11:50:16,825 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:50:16,826 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:50:16,826 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:50:16,826 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:50:16,827 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:50:15" (3/4) ... [2023-11-26 11:50:16,830 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 11:50:16,834 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-26 11:50:16,838 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-26 11:50:16,845 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 11:50:16,846 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 11:50:16,945 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcfacae-018d-4f53-bc1c-620f35d4899b/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:50:16,945 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcfacae-018d-4f53-bc1c-620f35d4899b/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 11:50:16,945 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:50:16,946 INFO L158 Benchmark]: Toolchain (without parser) took 3056.20ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 97.5MB in the beginning and 131.9MB in the end (delta: -34.4MB). Peak memory consumption was 627.3kB. Max. memory is 16.1GB. [2023-11-26 11:50:16,947 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 144.7MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:50:16,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 690.20ms. Allocated memory is still 144.7MB. Free memory was 97.5MB in the beginning and 70.7MB in the end (delta: 26.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-26 11:50:16,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.43ms. Allocated memory is still 144.7MB. Free memory was 70.7MB in the beginning and 68.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:50:16,955 INFO L158 Benchmark]: Boogie Preprocessor took 27.22ms. Allocated memory is still 144.7MB. Free memory was 68.6MB in the beginning and 66.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:50:16,955 INFO L158 Benchmark]: RCFGBuilder took 527.05ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 66.9MB in the beginning and 146.7MB in the end (delta: -79.8MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2023-11-26 11:50:16,956 INFO L158 Benchmark]: TraceAbstraction took 1624.45ms. Allocated memory is still 178.3MB. Free memory was 147.5MB in the beginning and 136.1MB in the end (delta: 11.3MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2023-11-26 11:50:16,956 INFO L158 Benchmark]: Witness Printer took 119.56ms. Allocated memory is still 178.3MB. Free memory was 136.1MB in the beginning and 131.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:50:16,959 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 144.7MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 690.20ms. Allocated memory is still 144.7MB. Free memory was 97.5MB in the beginning and 70.7MB in the end (delta: 26.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.43ms. Allocated memory is still 144.7MB. Free memory was 70.7MB in the beginning and 68.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.22ms. Allocated memory is still 144.7MB. Free memory was 68.6MB in the beginning and 66.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 527.05ms. Allocated memory was 144.7MB in the beginning and 178.3MB in the end (delta: 33.6MB). Free memory was 66.9MB in the beginning and 146.7MB in the end (delta: -79.8MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1624.45ms. Allocated memory is still 178.3MB. Free memory was 147.5MB in the beginning and 136.1MB in the end (delta: 11.3MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Witness Printer took 119.56ms. Allocated memory is still 178.3MB. Free memory was 136.1MB in the beginning and 131.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 925]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 919]: 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, 49 locations, 4 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: 1.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 1 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 0.8s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 11:50:16,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcfacae-018d-4f53-bc1c-620f35d4899b/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