./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-lit/qw2004-2b.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_cc852b65-6f4a-4db4-bafd-40cf8dde8f8b/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc852b65-6f4a-4db4-bafd-40cf8dde8f8b/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc852b65-6f4a-4db4-bafd-40cf8dde8f8b/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc852b65-6f4a-4db4-bafd-40cf8dde8f8b/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-lit/qw2004-2b.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc852b65-6f4a-4db4-bafd-40cf8dde8f8b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc852b65-6f4a-4db4-bafd-40cf8dde8f8b/bin/uautomizer-verify-aQ6SnzHsRB --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 f17f6182d2330561fe6717b6a061d0dded698483f9e32b37a3b36e1144855a29 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:31:04,380 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:31:04,498 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc852b65-6f4a-4db4-bafd-40cf8dde8f8b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 23:31:04,507 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:31:04,508 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:31:04,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:31:04,539 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:31:04,540 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:31:04,540 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:31:04,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:31:04,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:31:04,541 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:31:04,541 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:31:04,541 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:31:04,542 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:31:04,542 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:31:04,542 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:31:04,542 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:31:04,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:31:04,543 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:31:04,543 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:31:04,543 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:31:04,543 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 23:31:04,543 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 23:31:04,544 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:31:04,544 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:31:04,544 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:31:04,544 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:31:04,544 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:31:04,544 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:31:04,545 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:31:04,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:31:04,545 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:31:04,545 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:31:04,545 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:31:04,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:31:04,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:31:04,546 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:31:04,546 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:31:04,546 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:31:04,546 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:31:04,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:31:04,547 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:31:04,547 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:31:04,547 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:31:04,547 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:31:04,547 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_cc852b65-6f4a-4db4-bafd-40cf8dde8f8b/bin/uautomizer-verify-aQ6SnzHsRB 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 -> f17f6182d2330561fe6717b6a061d0dded698483f9e32b37a3b36e1144855a29 [2024-11-27 23:31:04,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:31:04,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:31:04,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:31:04,912 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:31:04,913 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:31:04,914 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc852b65-6f4a-4db4-bafd-40cf8dde8f8b/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-lit/qw2004-2b.i [2024-11-27 23:31:08,049 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc852b65-6f4a-4db4-bafd-40cf8dde8f8b/bin/uautomizer-verify-aQ6SnzHsRB/data/8071ac0af/a2f0bcfcf5ca4261912416b693dada35/FLAGe80a31689 [2024-11-27 23:31:08,373 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:31:08,374 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc852b65-6f4a-4db4-bafd-40cf8dde8f8b/sv-benchmarks/c/pthread-lit/qw2004-2b.i [2024-11-27 23:31:08,386 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc852b65-6f4a-4db4-bafd-40cf8dde8f8b/bin/uautomizer-verify-aQ6SnzHsRB/data/8071ac0af/a2f0bcfcf5ca4261912416b693dada35/FLAGe80a31689 [2024-11-27 23:31:08,602 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc852b65-6f4a-4db4-bafd-40cf8dde8f8b/bin/uautomizer-verify-aQ6SnzHsRB/data/8071ac0af/a2f0bcfcf5ca4261912416b693dada35 [2024-11-27 23:31:08,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:31:08,606 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:31:08,607 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:31:08,607 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:31:08,612 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:31:08,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:31:08" (1/1) ... [2024-11-27 23:31:08,616 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e850472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:08, skipping insertion in model container [2024-11-27 23:31:08,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:31:08" (1/1) ... [2024-11-27 23:31:08,659 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:31:08,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:31:08,983 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:31:09,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:31:09,067 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:31:09,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:09 WrapperNode [2024-11-27 23:31:09,068 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:31:09,069 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:31:09,069 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:31:09,069 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:31:09,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:09" (1/1) ... [2024-11-27 23:31:09,085 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:09" (1/1) ... [2024-11-27 23:31:09,110 INFO L138 Inliner]: procedures = 174, calls = 33, calls flagged for inlining = 10, calls inlined = 11, statements flattened = 176 [2024-11-27 23:31:09,111 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:31:09,111 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:31:09,111 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:31:09,111 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:31:09,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:09" (1/1) ... [2024-11-27 23:31:09,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:09" (1/1) ... [2024-11-27 23:31:09,121 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:09" (1/1) ... [2024-11-27 23:31:09,121 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:09" (1/1) ... [2024-11-27 23:31:09,127 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:09" (1/1) ... [2024-11-27 23:31:09,128 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:09" (1/1) ... [2024-11-27 23:31:09,130 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:09" (1/1) ... [2024-11-27 23:31:09,131 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:09" (1/1) ... [2024-11-27 23:31:09,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:09" (1/1) ... [2024-11-27 23:31:09,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:31:09,135 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:31:09,135 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:31:09,135 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:31:09,136 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:09" (1/1) ... [2024-11-27 23:31:09,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:31:09,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc852b65-6f4a-4db4-bafd-40cf8dde8f8b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:31:09,179 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc852b65-6f4a-4db4-bafd-40cf8dde8f8b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:31:09,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc852b65-6f4a-4db4-bafd-40cf8dde8f8b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:31:09,204 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2024-11-27 23:31:09,205 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2024-11-27 23:31:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-27 23:31:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:31:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 23:31:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-27 23:31:09,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:31:09,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:31:09,207 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 23:31:09,364 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:31:09,366 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:31:09,672 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 23:31:09,673 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:31:09,823 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:31:09,823 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 23:31:09,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:31:09 BoogieIcfgContainer [2024-11-27 23:31:09,824 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:31:09,827 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:31:09,827 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:31:09,838 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:31:09,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:31:08" (1/3) ... [2024-11-27 23:31:09,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd654e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:31:09, skipping insertion in model container [2024-11-27 23:31:09,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:31:09" (2/3) ... [2024-11-27 23:31:09,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd654e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:31:09, skipping insertion in model container [2024-11-27 23:31:09,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:31:09" (3/3) ... [2024-11-27 23:31:09,843 INFO L128 eAbstractionObserver]: Analyzing ICFG qw2004-2b.i [2024-11-27 23:31:09,863 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:31:09,865 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG qw2004-2b.i that has 2 procedures, 143 locations, 1 initial locations, 0 loop locations, and 19 error locations. [2024-11-27 23:31:09,865 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 23:31:09,958 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-27 23:31:10,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 146 places, 149 transitions, 302 flow [2024-11-27 23:31:10,126 INFO L124 PetriNetUnfolderBase]: 7/148 cut-off events. [2024-11-27 23:31:10,128 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 23:31:10,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 148 events. 7/148 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 209 event pairs, 0 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 107. Up to 2 conditions per place. [2024-11-27 23:31:10,136 INFO L82 GeneralOperation]: Start removeDead. Operand has 146 places, 149 transitions, 302 flow [2024-11-27 23:31:10,141 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 145 places, 148 transitions, 299 flow [2024-11-27 23:31:10,155 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:31:10,172 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;@2f94753f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:31:10,172 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2024-11-27 23:31:10,184 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 23:31:10,184 INFO L124 PetriNetUnfolderBase]: 0/16 cut-off events. [2024-11-27 23:31:10,184 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 23:31:10,184 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:31:10,185 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:31:10,188 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-27 23:31:10,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:10,197 INFO L85 PathProgramCache]: Analyzing trace with hash -257862357, now seen corresponding path program 1 times [2024-11-27 23:31:10,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:31:10,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117736616] [2024-11-27 23:31:10,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:10,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:31:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:10,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:31:10,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:31:10,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117736616] [2024-11-27 23:31:10,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117736616] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:31:10,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:31:10,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:31:10,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565546817] [2024-11-27 23:31:10,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:31:10,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:31:10,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:31:10,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:31:10,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:31:10,610 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 149 [2024-11-27 23:31:10,618 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 148 transitions, 299 flow. Second operand has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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) [2024-11-27 23:31:10,618 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:31:10,618 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 149 [2024-11-27 23:31:10,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:31:10,876 INFO L124 PetriNetUnfolderBase]: 52/393 cut-off events. [2024-11-27 23:31:10,876 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-27 23:31:10,880 INFO L83 FinitePrefix]: Finished finitePrefix Result has 493 conditions, 393 events. 52/393 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1731 event pairs, 27 based on Foata normal form. 15/366 useless extension candidates. Maximal degree in co-relation 442. Up to 94 conditions per place. [2024-11-27 23:31:10,884 INFO L140 encePairwiseOnDemand]: 128/149 looper letters, 3 selfloop transitions, 2 changer transitions 93/127 dead transitions. [2024-11-27 23:31:10,884 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 127 transitions, 293 flow [2024-11-27 23:31:10,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:31:10,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:31:10,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 370 transitions. [2024-11-27 23:31:10,909 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8277404921700223 [2024-11-27 23:31:10,912 INFO L175 Difference]: Start difference. First operand has 145 places, 148 transitions, 299 flow. Second operand 3 states and 370 transitions. [2024-11-27 23:31:10,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 127 transitions, 293 flow [2024-11-27 23:31:10,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 127 transitions, 292 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 23:31:10,926 INFO L231 Difference]: Finished difference. Result has 128 places, 34 transitions, 72 flow [2024-11-27 23:31:10,930 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=128, PETRI_TRANSITIONS=34} [2024-11-27 23:31:10,937 INFO L279 CegarLoopForPetriNet]: 145 programPoint places, -17 predicate places. [2024-11-27 23:31:10,937 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 34 transitions, 72 flow [2024-11-27 23:31:10,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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) [2024-11-27 23:31:10,938 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:31:10,940 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] [2024-11-27 23:31:10,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 23:31:10,941 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-27 23:31:10,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:10,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1180985797, now seen corresponding path program 1 times [2024-11-27 23:31:10,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:31:10,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690097860] [2024-11-27 23:31:10,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:10,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:31:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:11,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:31:11,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:31:11,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690097860] [2024-11-27 23:31:11,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690097860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:31:11,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:31:11,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:31:11,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769980161] [2024-11-27 23:31:11,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:31:11,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:31:11,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:31:11,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:31:11,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:31:11,054 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 149 [2024-11-27 23:31:11,055 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 34 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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) [2024-11-27 23:31:11,056 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:31:11,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 149 [2024-11-27 23:31:11,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:31:11,064 INFO L124 PetriNetUnfolderBase]: 0/33 cut-off events. [2024-11-27 23:31:11,064 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 23:31:11,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 33 events. 0/33 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 1 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2024-11-27 23:31:11,065 INFO L140 encePairwiseOnDemand]: 146/149 looper letters, 3 selfloop transitions, 2 changer transitions 0/33 dead transitions. [2024-11-27 23:31:11,065 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 33 transitions, 80 flow [2024-11-27 23:31:11,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:31:11,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:31:11,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 339 transitions. [2024-11-27 23:31:11,068 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7583892617449665 [2024-11-27 23:31:11,069 INFO L175 Difference]: Start difference. First operand has 128 places, 34 transitions, 72 flow. Second operand 3 states and 339 transitions. [2024-11-27 23:31:11,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 33 transitions, 80 flow [2024-11-27 23:31:11,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 33 transitions, 76 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:31:11,071 INFO L231 Difference]: Finished difference. Result has 36 places, 33 transitions, 70 flow [2024-11-27 23:31:11,071 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=36, PETRI_TRANSITIONS=33} [2024-11-27 23:31:11,072 INFO L279 CegarLoopForPetriNet]: 145 programPoint places, -109 predicate places. [2024-11-27 23:31:11,073 INFO L471 AbstractCegarLoop]: Abstraction has has 36 places, 33 transitions, 70 flow [2024-11-27 23:31:11,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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) [2024-11-27 23:31:11,074 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:31:11,074 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] [2024-11-27 23:31:11,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 23:31:11,074 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-27 23:31:11,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:11,076 INFO L85 PathProgramCache]: Analyzing trace with hash -2057600782, now seen corresponding path program 1 times [2024-11-27 23:31:11,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:31:11,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883314203] [2024-11-27 23:31:11,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:11,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:31:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:11,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:31:11,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:31:11,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883314203] [2024-11-27 23:31:11,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883314203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:31:11,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:31:11,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:31:11,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025280752] [2024-11-27 23:31:11,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:31:11,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:31:11,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:31:11,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:31:11,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:31:11,160 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 149 [2024-11-27 23:31:11,161 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 33 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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) [2024-11-27 23:31:11,161 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:31:11,161 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 149 [2024-11-27 23:31:11,161 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:31:11,168 INFO L124 PetriNetUnfolderBase]: 0/32 cut-off events. [2024-11-27 23:31:11,168 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 23:31:11,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 32 events. 0/32 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2024-11-27 23:31:11,169 INFO L140 encePairwiseOnDemand]: 146/149 looper letters, 3 selfloop transitions, 2 changer transitions 0/32 dead transitions. [2024-11-27 23:31:11,169 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 32 transitions, 78 flow [2024-11-27 23:31:11,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:31:11,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:31:11,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 339 transitions. [2024-11-27 23:31:11,172 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7583892617449665 [2024-11-27 23:31:11,172 INFO L175 Difference]: Start difference. First operand has 36 places, 33 transitions, 70 flow. Second operand 3 states and 339 transitions. [2024-11-27 23:31:11,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 32 transitions, 78 flow [2024-11-27 23:31:11,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 32 transitions, 74 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:31:11,174 INFO L231 Difference]: Finished difference. Result has 35 places, 32 transitions, 68 flow [2024-11-27 23:31:11,174 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=35, PETRI_TRANSITIONS=32} [2024-11-27 23:31:11,175 INFO L279 CegarLoopForPetriNet]: 145 programPoint places, -110 predicate places. [2024-11-27 23:31:11,175 INFO L471 AbstractCegarLoop]: Abstraction has has 35 places, 32 transitions, 68 flow [2024-11-27 23:31:11,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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) [2024-11-27 23:31:11,176 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:31:11,176 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] [2024-11-27 23:31:11,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:31:11,176 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE, BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-27 23:31:11,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:31:11,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1096545139, now seen corresponding path program 1 times [2024-11-27 23:31:11,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:31:11,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164921473] [2024-11-27 23:31:11,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:31:11,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:31:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:31:11,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:31:11,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:31:11,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164921473] [2024-11-27 23:31:11,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164921473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:31:11,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:31:11,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 23:31:11,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983819449] [2024-11-27 23:31:11,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:31:11,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:31:11,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:31:11,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:31:11,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:31:11,278 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 149 [2024-11-27 23:31:11,279 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 32 transitions, 68 flow. Second operand has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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) [2024-11-27 23:31:11,279 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:31:11,279 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 149 [2024-11-27 23:31:11,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:31:11,287 INFO L124 PetriNetUnfolderBase]: 0/31 cut-off events. [2024-11-27 23:31:11,287 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 23:31:11,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 31 events. 0/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 1/32 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2024-11-27 23:31:11,288 INFO L140 encePairwiseOnDemand]: 147/149 looper letters, 0 selfloop transitions, 0 changer transitions 31/31 dead transitions. [2024-11-27 23:31:11,288 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 31 transitions, 72 flow [2024-11-27 23:31:11,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:31:11,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:31:11,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 337 transitions. [2024-11-27 23:31:11,297 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7539149888143176 [2024-11-27 23:31:11,297 INFO L175 Difference]: Start difference. First operand has 35 places, 32 transitions, 68 flow. Second operand 3 states and 337 transitions. [2024-11-27 23:31:11,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 31 transitions, 72 flow [2024-11-27 23:31:11,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 31 transitions, 68 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 23:31:11,298 INFO L231 Difference]: Finished difference. Result has 34 places, 0 transitions, 0 flow [2024-11-27 23:31:11,298 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=149, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=34, PETRI_TRANSITIONS=0} [2024-11-27 23:31:11,299 INFO L279 CegarLoopForPetriNet]: 145 programPoint places, -111 predicate places. [2024-11-27 23:31:11,299 INFO L471 AbstractCegarLoop]: Abstraction has has 34 places, 0 transitions, 0 flow [2024-11-27 23:31:11,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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) [2024-11-27 23:31:11,302 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2024-11-27 23:31:11,304 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2024-11-27 23:31:11,305 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2024-11-27 23:31:11,306 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2024-11-27 23:31:11,306 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2024-11-27 23:31:11,306 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2024-11-27 23:31:11,306 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2024-11-27 23:31:11,307 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2024-11-27 23:31:11,307 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2024-11-27 23:31:11,307 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2024-11-27 23:31:11,307 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2024-11-27 23:31:11,307 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2024-11-27 23:31:11,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2024-11-27 23:31:11,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2024-11-27 23:31:11,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2024-11-27 23:31:11,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2024-11-27 23:31:11,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (10 of 27 remaining) [2024-11-27 23:31:11,308 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (9 of 27 remaining) [2024-11-27 23:31:11,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2024-11-27 23:31:11,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 27 remaining) [2024-11-27 23:31:11,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr0ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2024-11-27 23:31:11,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr1ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2024-11-27 23:31:11,309 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr2ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2024-11-27 23:31:11,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr3ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2024-11-27 23:31:11,310 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr4ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2024-11-27 23:31:11,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr5ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2024-11-27 23:31:11,311 INFO L782 garLoopResultBuilder]: Registering result SAFE for location BCSP_PnpStopErr6ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2024-11-27 23:31:11,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:31:11,313 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-27 23:31:11,321 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 23:31:11,321 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 23:31:11,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:31:11 BasicIcfg [2024-11-27 23:31:11,333 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 23:31:11,334 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 23:31:11,336 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 23:31:11,336 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 23:31:11,337 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:31:09" (3/4) ... [2024-11-27 23:31:11,339 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 23:31:11,344 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure BCSP_PnpStop [2024-11-27 23:31:11,352 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2024-11-27 23:31:11,353 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-27 23:31:11,353 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-27 23:31:11,353 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 23:31:11,468 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc852b65-6f4a-4db4-bafd-40cf8dde8f8b/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 23:31:11,469 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc852b65-6f4a-4db4-bafd-40cf8dde8f8b/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 23:31:11,469 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 23:31:11,471 INFO L158 Benchmark]: Toolchain (without parser) took 2864.27ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 68.8MB in the end (delta: 47.3MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2024-11-27 23:31:11,471 INFO L158 Benchmark]: CDTParser took 0.89ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:31:11,472 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.44ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 96.1MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 23:31:11,473 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.69ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 93.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:31:11,473 INFO L158 Benchmark]: Boogie Preprocessor took 23.16ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 92.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:31:11,473 INFO L158 Benchmark]: RCFGBuilder took 689.12ms. Allocated memory is still 142.6MB. Free memory was 92.8MB in the beginning and 69.7MB in the end (delta: 23.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 23:31:11,475 INFO L158 Benchmark]: TraceAbstraction took 1506.59ms. Allocated memory is still 142.6MB. Free memory was 68.9MB in the beginning and 74.5MB in the end (delta: -5.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:31:11,475 INFO L158 Benchmark]: Witness Printer took 134.99ms. Allocated memory is still 142.6MB. Free memory was 74.5MB in the beginning and 68.8MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:31:11,477 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 461.44ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 96.1MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.69ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 93.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.16ms. Allocated memory is still 142.6MB. Free memory was 93.9MB in the beginning and 92.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 689.12ms. Allocated memory is still 142.6MB. Free memory was 92.8MB in the beginning and 69.7MB in the end (delta: 23.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1506.59ms. Allocated memory is still 142.6MB. Free memory was 68.9MB in the beginning and 74.5MB in the end (delta: -5.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 134.99ms. Allocated memory is still 142.6MB. Free memory was 74.5MB in the beginning and 68.8MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 749]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 752]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 757]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 759]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 760]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 703]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 737]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: 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, 179 locations, 27 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: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 1 mSDtfsCounter, 52 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=299occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 94 ConstructedInterpolants, 0 QuantifiedInterpolants, 102 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 19 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-27 23:31:11,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc852b65-6f4a-4db4-bafd-40cf8dde8f8b/bin/uautomizer-verify-aQ6SnzHsRB/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