./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764d0018-be6b-4728-a528-d8da58bd3b60/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764d0018-be6b-4728-a528-d8da58bd3b60/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764d0018-be6b-4728-a528-d8da58bd3b60/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764d0018-be6b-4728-a528-d8da58bd3b60/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764d0018-be6b-4728-a528-d8da58bd3b60/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764d0018-be6b-4728-a528-d8da58bd3b60/bin/uautomizer-verify-qhAvR1uOyd --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 dbd0a32f8466e9a1ac86b6dfec2b7453fe6f40d8d953742d93d3d05c5ad7b7af --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:54:25,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:54:25,549 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764d0018-be6b-4728-a528-d8da58bd3b60/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 14:54:25,557 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:54:25,557 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:54:25,598 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:54:25,599 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:54:25,600 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:54:25,600 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:54:25,601 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:54:25,601 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:54:25,602 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:54:25,603 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:54:25,603 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:54:25,603 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:54:25,603 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:54:25,603 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:54:25,603 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:54:25,604 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:54:25,604 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:54:25,604 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:54:25,604 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:54:25,604 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 14:54:25,604 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:54:25,604 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:54:25,604 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:54:25,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:54:25,604 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:54:25,604 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:54:25,605 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:54:25,605 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:54:25,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:54:25,605 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:54:25,605 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:54:25,605 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:54:25,605 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:54:25,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:54:25,605 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:54:25,605 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:54:25,606 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:54:25,606 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:54:25,607 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_764d0018-be6b-4728-a528-d8da58bd3b60/bin/uautomizer-verify-qhAvR1uOyd 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 -> dbd0a32f8466e9a1ac86b6dfec2b7453fe6f40d8d953742d93d3d05c5ad7b7af [2024-11-13 14:54:25,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:54:25,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:54:25,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:54:25,981 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:54:25,981 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:54:25,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764d0018-be6b-4728-a528-d8da58bd3b60/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c Unable to find full path for "g++" [2024-11-13 14:54:28,355 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:54:28,688 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:54:28,688 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764d0018-be6b-4728-a528-d8da58bd3b60/sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c [2024-11-13 14:54:28,701 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764d0018-be6b-4728-a528-d8da58bd3b60/bin/uautomizer-verify-qhAvR1uOyd/data/bbffc199d/e23ba6fe5805439591ad8f61fa45f21b/FLAG848417e31 [2024-11-13 14:54:28,733 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764d0018-be6b-4728-a528-d8da58bd3b60/bin/uautomizer-verify-qhAvR1uOyd/data/bbffc199d/e23ba6fe5805439591ad8f61fa45f21b [2024-11-13 14:54:28,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:54:28,738 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:54:28,742 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:54:28,742 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:54:28,748 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:54:28,749 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:54:28" (1/1) ... [2024-11-13 14:54:28,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9f59fc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:54:28, skipping insertion in model container [2024-11-13 14:54:28,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:54:28" (1/1) ... [2024-11-13 14:54:28,776 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:54:29,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:54:29,060 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:54:29,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:54:29,108 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:54:29,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:54:29 WrapperNode [2024-11-13 14:54:29,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:54:29,110 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:54:29,110 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:54:29,110 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:54:29,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:54:29" (1/1) ... [2024-11-13 14:54:29,126 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:54:29" (1/1) ... [2024-11-13 14:54:29,158 INFO L138 Inliner]: procedures = 23, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132 [2024-11-13 14:54:29,158 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:54:29,159 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:54:29,159 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:54:29,159 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:54:29,167 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:54:29" (1/1) ... [2024-11-13 14:54:29,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:54:29" (1/1) ... [2024-11-13 14:54:29,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:54:29" (1/1) ... [2024-11-13 14:54:29,171 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:54:29" (1/1) ... [2024-11-13 14:54:29,182 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:54:29" (1/1) ... [2024-11-13 14:54:29,187 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:54:29" (1/1) ... [2024-11-13 14:54:29,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:54:29" (1/1) ... [2024-11-13 14:54:29,191 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:54:29" (1/1) ... [2024-11-13 14:54:29,194 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:54:29,195 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:54:29,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:54:29,196 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:54:29,197 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:54:29" (1/1) ... [2024-11-13 14:54:29,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:54:29,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764d0018-be6b-4728-a528-d8da58bd3b60/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:54:29,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764d0018-be6b-4728-a528-d8da58bd3b60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:54:29,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764d0018-be6b-4728-a528-d8da58bd3b60/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:54:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:54:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 14:54:29,290 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 14:54:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 14:54:29,290 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 14:54:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-13 14:54:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-13 14:54:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 14:54:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 14:54:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 14:54:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 14:54:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 14:54:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:54:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:54:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 14:54:29,293 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 14:54:29,463 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:54:29,465 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:54:30,176 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 14:54:30,177 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:54:30,524 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:54:30,525 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 14:54:30,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:54:30 BoogieIcfgContainer [2024-11-13 14:54:30,526 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:54:30,529 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:54:30,529 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:54:30,535 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:54:30,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:54:28" (1/3) ... [2024-11-13 14:54:30,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c0966c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:54:30, skipping insertion in model container [2024-11-13 14:54:30,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:54:29" (2/3) ... [2024-11-13 14:54:30,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c0966c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:54:30, skipping insertion in model container [2024-11-13 14:54:30,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:54:30" (3/3) ... [2024-11-13 14:54:30,539 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-min-le-max.wvr.c [2024-11-13 14:54:30,560 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:54:30,562 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-min-le-max.wvr.c that has 4 procedures, 210 locations, 1 initial locations, 3 loop locations, and 29 error locations. [2024-11-13 14:54:30,562 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 14:54:30,699 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-13 14:54:30,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 219 places, 219 transitions, 459 flow [2024-11-13 14:54:30,869 INFO L124 PetriNetUnfolderBase]: 10/216 cut-off events. [2024-11-13 14:54:30,872 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-13 14:54:30,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 229 conditions, 216 events. 10/216 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 231 event pairs, 0 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 188. Up to 2 conditions per place. [2024-11-13 14:54:30,879 INFO L82 GeneralOperation]: Start removeDead. Operand has 219 places, 219 transitions, 459 flow [2024-11-13 14:54:30,886 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 200 places, 199 transitions, 416 flow [2024-11-13 14:54:30,895 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:54:30,910 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;@3a1076fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:54:30,910 INFO L334 AbstractCegarLoop]: Starting to check reachability of 49 error locations. [2024-11-13 14:54:30,918 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 14:54:30,918 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-11-13 14:54:30,918 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 14:54:30,918 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:54:30,919 INFO L204 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] [2024-11-13 14:54:30,919 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-11-13 14:54:30,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:54:30,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1871285765, now seen corresponding path program 1 times [2024-11-13 14:54:30,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:54:30,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810188393] [2024-11-13 14:54:30,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:54:30,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:54:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:54:31,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:54:31,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:54:31,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810188393] [2024-11-13 14:54:31,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810188393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:54:31,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:54:31,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:54:31,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342908695] [2024-11-13 14:54:31,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:54:31,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:54:31,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:54:31,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:54:31,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:54:31,250 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 219 [2024-11-13 14:54:31,255 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 199 transitions, 416 flow. Second operand has 3 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 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) [2024-11-13 14:54:31,255 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:54:31,255 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 219 [2024-11-13 14:54:31,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:54:31,523 INFO L124 PetriNetUnfolderBase]: 58/390 cut-off events. [2024-11-13 14:54:31,523 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2024-11-13 14:54:31,525 INFO L83 FinitePrefix]: Finished finitePrefix Result has 531 conditions, 390 events. 58/390 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1330 event pairs, 38 based on Foata normal form. 4/343 useless extension candidates. Maximal degree in co-relation 346. Up to 100 conditions per place. [2024-11-13 14:54:31,529 INFO L140 encePairwiseOnDemand]: 195/219 looper letters, 16 selfloop transitions, 2 changer transitions 3/177 dead transitions. [2024-11-13 14:54:31,529 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 177 transitions, 408 flow [2024-11-13 14:54:31,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:54:31,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:54:31,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 568 transitions. [2024-11-13 14:54:31,548 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8645357686453576 [2024-11-13 14:54:31,550 INFO L175 Difference]: Start difference. First operand has 200 places, 199 transitions, 416 flow. Second operand 3 states and 568 transitions. [2024-11-13 14:54:31,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 177 transitions, 408 flow [2024-11-13 14:54:31,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 177 transitions, 396 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-13 14:54:31,563 INFO L231 Difference]: Finished difference. Result has 180 places, 174 transitions, 358 flow [2024-11-13 14:54:31,566 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=358, PETRI_PLACES=180, PETRI_TRANSITIONS=174} [2024-11-13 14:54:31,572 INFO L277 CegarLoopForPetriNet]: 200 programPoint places, -20 predicate places. [2024-11-13 14:54:31,574 INFO L471 AbstractCegarLoop]: Abstraction has has 180 places, 174 transitions, 358 flow [2024-11-13 14:54:31,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 177.33333333333334) internal successors, (532), 3 states have internal predecessors, (532), 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) [2024-11-13 14:54:31,575 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:54:31,575 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:54:31,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:54:31,576 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-11-13 14:54:31,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:54:31,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1395135222, now seen corresponding path program 1 times [2024-11-13 14:54:31,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:54:31,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228083863] [2024-11-13 14:54:31,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:54:31,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:54:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:54:31,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:54:31,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:54:31,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228083863] [2024-11-13 14:54:31,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228083863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:54:31,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:54:31,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:54:31,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209617596] [2024-11-13 14:54:31,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:54:31,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:54:31,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:54:31,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:54:31,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:54:31,731 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 219 [2024-11-13 14:54:31,731 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 174 transitions, 358 flow. Second operand has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 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) [2024-11-13 14:54:31,732 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:54:31,732 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 219 [2024-11-13 14:54:31,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:54:31,928 INFO L124 PetriNetUnfolderBase]: 99/452 cut-off events. [2024-11-13 14:54:31,929 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-13 14:54:31,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 642 conditions, 452 events. 99/452 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1822 event pairs, 71 based on Foata normal form. 0/413 useless extension candidates. Maximal degree in co-relation 612. Up to 163 conditions per place. [2024-11-13 14:54:31,936 INFO L140 encePairwiseOnDemand]: 214/219 looper letters, 17 selfloop transitions, 1 changer transitions 0/170 dead transitions. [2024-11-13 14:54:31,936 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 170 transitions, 386 flow [2024-11-13 14:54:31,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:54:31,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:54:31,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 544 transitions. [2024-11-13 14:54:31,945 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8280060882800608 [2024-11-13 14:54:31,945 INFO L175 Difference]: Start difference. First operand has 180 places, 174 transitions, 358 flow. Second operand 3 states and 544 transitions. [2024-11-13 14:54:31,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 170 transitions, 386 flow [2024-11-13 14:54:31,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 170 transitions, 382 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:54:31,953 INFO L231 Difference]: Finished difference. Result has 173 places, 170 transitions, 348 flow [2024-11-13 14:54:31,955 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=348, PETRI_PLACES=173, PETRI_TRANSITIONS=170} [2024-11-13 14:54:31,956 INFO L277 CegarLoopForPetriNet]: 200 programPoint places, -27 predicate places. [2024-11-13 14:54:31,957 INFO L471 AbstractCegarLoop]: Abstraction has has 173 places, 170 transitions, 348 flow [2024-11-13 14:54:31,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 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) [2024-11-13 14:54:31,958 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:54:31,959 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:54:31,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:54:31,959 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-11-13 14:54:31,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:54:31,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1874252120, now seen corresponding path program 1 times [2024-11-13 14:54:31,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:54:31,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032505178] [2024-11-13 14:54:31,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:54:31,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:54:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:54:32,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:54:32,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:54:32,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032505178] [2024-11-13 14:54:32,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032505178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:54:32,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:54:32,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:54:32,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209344455] [2024-11-13 14:54:32,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:54:32,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:54:32,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:54:32,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:54:32,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:54:32,149 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 219 [2024-11-13 14:54:32,150 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 170 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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) [2024-11-13 14:54:32,150 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:54:32,150 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 219 [2024-11-13 14:54:32,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:54:32,252 INFO L124 PetriNetUnfolderBase]: 28/260 cut-off events. [2024-11-13 14:54:32,252 INFO L125 PetriNetUnfolderBase]: For 9/10 co-relation queries the response was YES. [2024-11-13 14:54:32,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 324 conditions, 260 events. 28/260 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 584 event pairs, 15 based on Foata normal form. 0/243 useless extension candidates. Maximal degree in co-relation 294. Up to 52 conditions per place. [2024-11-13 14:54:32,255 INFO L140 encePairwiseOnDemand]: 216/219 looper letters, 14 selfloop transitions, 2 changer transitions 0/169 dead transitions. [2024-11-13 14:54:32,256 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 169 transitions, 378 flow [2024-11-13 14:54:32,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:54:32,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:54:32,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 551 transitions. [2024-11-13 14:54:32,260 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8386605783866058 [2024-11-13 14:54:32,260 INFO L175 Difference]: Start difference. First operand has 173 places, 170 transitions, 348 flow. Second operand 3 states and 551 transitions. [2024-11-13 14:54:32,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 169 transitions, 378 flow [2024-11-13 14:54:32,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 169 transitions, 377 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 14:54:32,270 INFO L231 Difference]: Finished difference. Result has 173 places, 169 transitions, 349 flow [2024-11-13 14:54:32,270 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=345, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=349, PETRI_PLACES=173, PETRI_TRANSITIONS=169} [2024-11-13 14:54:32,272 INFO L277 CegarLoopForPetriNet]: 200 programPoint places, -27 predicate places. [2024-11-13 14:54:32,272 INFO L471 AbstractCegarLoop]: Abstraction has has 173 places, 169 transitions, 349 flow [2024-11-13 14:54:32,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.33333333333334) internal successors, (538), 3 states have internal predecessors, (538), 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) [2024-11-13 14:54:32,274 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:54:32,274 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:54:32,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:54:32,275 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-11-13 14:54:32,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:54:32,275 INFO L85 PathProgramCache]: Analyzing trace with hash 331782714, now seen corresponding path program 1 times [2024-11-13 14:54:32,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:54:32,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721319276] [2024-11-13 14:54:32,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:54:32,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:54:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:54:33,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:54:33,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:54:33,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721319276] [2024-11-13 14:54:33,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721319276] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:54:33,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:54:33,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:54:33,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377961477] [2024-11-13 14:54:33,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:54:33,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:54:33,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:54:33,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:54:33,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:54:33,579 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 219 [2024-11-13 14:54:33,581 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 169 transitions, 349 flow. Second operand has 6 states, 6 states have (on average 166.5) internal successors, (999), 6 states have internal predecessors, (999), 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) [2024-11-13 14:54:33,583 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:54:33,583 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 219 [2024-11-13 14:54:33,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:54:33,755 INFO L124 PetriNetUnfolderBase]: 28/259 cut-off events. [2024-11-13 14:54:33,755 INFO L125 PetriNetUnfolderBase]: For 9/10 co-relation queries the response was YES. [2024-11-13 14:54:33,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 339 conditions, 259 events. 28/259 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 582 event pairs, 15 based on Foata normal form. 0/243 useless extension candidates. Maximal degree in co-relation 310. Up to 63 conditions per place. [2024-11-13 14:54:33,776 INFO L140 encePairwiseOnDemand]: 213/219 looper letters, 25 selfloop transitions, 5 changer transitions 0/168 dead transitions. [2024-11-13 14:54:33,777 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 168 transitions, 407 flow [2024-11-13 14:54:33,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:54:33,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 14:54:33,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1021 transitions. [2024-11-13 14:54:33,781 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7770167427701674 [2024-11-13 14:54:33,782 INFO L175 Difference]: Start difference. First operand has 173 places, 169 transitions, 349 flow. Second operand 6 states and 1021 transitions. [2024-11-13 14:54:33,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 168 transitions, 407 flow [2024-11-13 14:54:33,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 168 transitions, 403 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:54:33,791 INFO L231 Difference]: Finished difference. Result has 175 places, 168 transitions, 353 flow [2024-11-13 14:54:33,791 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=343, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=353, PETRI_PLACES=175, PETRI_TRANSITIONS=168} [2024-11-13 14:54:33,792 INFO L277 CegarLoopForPetriNet]: 200 programPoint places, -25 predicate places. [2024-11-13 14:54:33,793 INFO L471 AbstractCegarLoop]: Abstraction has has 175 places, 168 transitions, 353 flow [2024-11-13 14:54:33,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 166.5) internal successors, (999), 6 states have internal predecessors, (999), 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) [2024-11-13 14:54:33,794 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:54:33,794 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:54:33,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:54:33,795 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-11-13 14:54:33,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:54:33,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1144557616, now seen corresponding path program 1 times [2024-11-13 14:54:33,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:54:33,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100759728] [2024-11-13 14:54:33,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:54:33,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:54:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:54:33,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:54:33,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:54:33,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100759728] [2024-11-13 14:54:33,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100759728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:54:33,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:54:33,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:54:33,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975081132] [2024-11-13 14:54:33,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:54:33,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:54:33,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:54:33,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:54:33,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:54:33,893 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 219 [2024-11-13 14:54:33,894 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 168 transitions, 353 flow. Second operand has 3 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 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) [2024-11-13 14:54:33,894 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:54:33,894 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 219 [2024-11-13 14:54:33,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:54:33,998 INFO L124 PetriNetUnfolderBase]: 28/257 cut-off events. [2024-11-13 14:54:34,002 INFO L125 PetriNetUnfolderBase]: For 9/10 co-relation queries the response was YES. [2024-11-13 14:54:34,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 324 conditions, 257 events. 28/257 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 581 event pairs, 15 based on Foata normal form. 0/243 useless extension candidates. Maximal degree in co-relation 306. Up to 50 conditions per place. [2024-11-13 14:54:34,005 INFO L140 encePairwiseOnDemand]: 216/219 looper letters, 13 selfloop transitions, 1 changer transitions 0/166 dead transitions. [2024-11-13 14:54:34,005 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 166 transitions, 377 flow [2024-11-13 14:54:34,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:54:34,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:54:34,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 556 transitions. [2024-11-13 14:54:34,011 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8462709284627092 [2024-11-13 14:54:34,011 INFO L175 Difference]: Start difference. First operand has 175 places, 168 transitions, 353 flow. Second operand 3 states and 556 transitions. [2024-11-13 14:54:34,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 166 transitions, 377 flow [2024-11-13 14:54:34,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 166 transitions, 367 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 14:54:34,017 INFO L231 Difference]: Finished difference. Result has 170 places, 166 transitions, 341 flow [2024-11-13 14:54:34,017 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=341, PETRI_PLACES=170, PETRI_TRANSITIONS=166} [2024-11-13 14:54:34,019 INFO L277 CegarLoopForPetriNet]: 200 programPoint places, -30 predicate places. [2024-11-13 14:54:34,019 INFO L471 AbstractCegarLoop]: Abstraction has has 170 places, 166 transitions, 341 flow [2024-11-13 14:54:34,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 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) [2024-11-13 14:54:34,021 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:54:34,021 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:54:34,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 14:54:34,022 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-11-13 14:54:34,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:54:34,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1170921518, now seen corresponding path program 1 times [2024-11-13 14:54:34,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:54:34,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917884450] [2024-11-13 14:54:34,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:54:34,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:54:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:54:34,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:54:34,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:54:34,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917884450] [2024-11-13 14:54:34,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917884450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:54:34,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:54:34,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:54:34,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179672157] [2024-11-13 14:54:34,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:54:34,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:54:34,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:54:34,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:54:34,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:54:34,850 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 219 [2024-11-13 14:54:34,852 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 166 transitions, 341 flow. Second operand has 6 states, 6 states have (on average 170.16666666666666) internal successors, (1021), 6 states have internal predecessors, (1021), 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) [2024-11-13 14:54:34,852 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:54:34,852 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 219 [2024-11-13 14:54:34,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:54:34,985 INFO L124 PetriNetUnfolderBase]: 28/255 cut-off events. [2024-11-13 14:54:34,985 INFO L125 PetriNetUnfolderBase]: For 9/10 co-relation queries the response was YES. [2024-11-13 14:54:34,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 255 events. 28/255 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 579 event pairs, 15 based on Foata normal form. 0/243 useless extension candidates. Maximal degree in co-relation 299. Up to 53 conditions per place. [2024-11-13 14:54:34,988 INFO L140 encePairwiseOnDemand]: 213/219 looper letters, 21 selfloop transitions, 4 changer transitions 0/164 dead transitions. [2024-11-13 14:54:34,992 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 164 transitions, 387 flow [2024-11-13 14:54:34,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:54:34,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 14:54:34,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1041 transitions. [2024-11-13 14:54:34,995 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7922374429223744 [2024-11-13 14:54:35,000 INFO L175 Difference]: Start difference. First operand has 170 places, 166 transitions, 341 flow. Second operand 6 states and 1041 transitions. [2024-11-13 14:54:35,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 164 transitions, 387 flow [2024-11-13 14:54:35,002 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 164 transitions, 386 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 14:54:35,004 INFO L231 Difference]: Finished difference. Result has 172 places, 164 transitions, 344 flow [2024-11-13 14:54:35,005 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=344, PETRI_PLACES=172, PETRI_TRANSITIONS=164} [2024-11-13 14:54:35,010 INFO L277 CegarLoopForPetriNet]: 200 programPoint places, -28 predicate places. [2024-11-13 14:54:35,010 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 164 transitions, 344 flow [2024-11-13 14:54:35,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 170.16666666666666) internal successors, (1021), 6 states have internal predecessors, (1021), 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) [2024-11-13 14:54:35,011 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:54:35,011 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:54:35,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 14:54:35,012 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-11-13 14:54:35,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:54:35,013 INFO L85 PathProgramCache]: Analyzing trace with hash 940341072, now seen corresponding path program 1 times [2024-11-13 14:54:35,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:54:35,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479342021] [2024-11-13 14:54:35,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:54:35,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:54:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:54:35,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:54:35,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:54:35,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479342021] [2024-11-13 14:54:35,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479342021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:54:35,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:54:35,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:54:35,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751952336] [2024-11-13 14:54:35,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:54:35,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:54:35,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:54:35,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:54:35,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:54:35,135 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 219 [2024-11-13 14:54:35,136 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 164 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 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) [2024-11-13 14:54:35,136 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:54:35,136 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 219 [2024-11-13 14:54:35,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:54:35,226 INFO L124 PetriNetUnfolderBase]: 28/254 cut-off events. [2024-11-13 14:54:35,226 INFO L125 PetriNetUnfolderBase]: For 9/10 co-relation queries the response was YES. [2024-11-13 14:54:35,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 321 conditions, 254 events. 28/254 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 577 event pairs, 15 based on Foata normal form. 0/243 useless extension candidates. Maximal degree in co-relation 291. Up to 50 conditions per place. [2024-11-13 14:54:35,230 INFO L140 encePairwiseOnDemand]: 216/219 looper letters, 12 selfloop transitions, 2 changer transitions 0/163 dead transitions. [2024-11-13 14:54:35,231 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 163 transitions, 370 flow [2024-11-13 14:54:35,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:54:35,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:54:35,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2024-11-13 14:54:35,234 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8447488584474886 [2024-11-13 14:54:35,234 INFO L175 Difference]: Start difference. First operand has 172 places, 164 transitions, 344 flow. Second operand 3 states and 555 transitions. [2024-11-13 14:54:35,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 163 transitions, 370 flow [2024-11-13 14:54:35,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 163 transitions, 363 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-13 14:54:35,239 INFO L231 Difference]: Finished difference. Result has 169 places, 163 transitions, 339 flow [2024-11-13 14:54:35,240 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=339, PETRI_PLACES=169, PETRI_TRANSITIONS=163} [2024-11-13 14:54:35,240 INFO L277 CegarLoopForPetriNet]: 200 programPoint places, -31 predicate places. [2024-11-13 14:54:35,241 INFO L471 AbstractCegarLoop]: Abstraction has has 169 places, 163 transitions, 339 flow [2024-11-13 14:54:35,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 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) [2024-11-13 14:54:35,243 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:54:35,243 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2024-11-13 14:54:35,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 14:54:35,243 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-11-13 14:54:35,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:54:35,244 INFO L85 PathProgramCache]: Analyzing trace with hash 884517624, now seen corresponding path program 1 times [2024-11-13 14:54:35,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:54:35,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012725162] [2024-11-13 14:54:35,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:54:35,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:54:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:54:35,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:54:35,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:54:35,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012725162] [2024-11-13 14:54:35,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012725162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:54:35,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:54:35,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:54:35,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021120291] [2024-11-13 14:54:35,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:54:35,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:54:35,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:54:35,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:54:35,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:54:35,360 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 219 [2024-11-13 14:54:35,361 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 163 transitions, 339 flow. Second operand has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 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) [2024-11-13 14:54:35,361 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:54:35,361 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 219 [2024-11-13 14:54:35,362 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:54:35,447 INFO L124 PetriNetUnfolderBase]: 28/253 cut-off events. [2024-11-13 14:54:35,448 INFO L125 PetriNetUnfolderBase]: For 9/10 co-relation queries the response was YES. [2024-11-13 14:54:35,449 INFO L83 FinitePrefix]: Finished finitePrefix Result has 319 conditions, 253 events. 28/253 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 575 event pairs, 15 based on Foata normal form. 0/243 useless extension candidates. Maximal degree in co-relation 289. Up to 50 conditions per place. [2024-11-13 14:54:35,450 INFO L140 encePairwiseOnDemand]: 216/219 looper letters, 12 selfloop transitions, 2 changer transitions 0/162 dead transitions. [2024-11-13 14:54:35,450 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 162 transitions, 365 flow [2024-11-13 14:54:35,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:54:35,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:54:35,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2024-11-13 14:54:35,452 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8447488584474886 [2024-11-13 14:54:35,452 INFO L175 Difference]: Start difference. First operand has 169 places, 163 transitions, 339 flow. Second operand 3 states and 555 transitions. [2024-11-13 14:54:35,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 162 transitions, 365 flow [2024-11-13 14:54:35,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 162 transitions, 361 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:54:35,455 INFO L231 Difference]: Finished difference. Result has 168 places, 162 transitions, 337 flow [2024-11-13 14:54:35,456 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=333, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=337, PETRI_PLACES=168, PETRI_TRANSITIONS=162} [2024-11-13 14:54:35,456 INFO L277 CegarLoopForPetriNet]: 200 programPoint places, -32 predicate places. [2024-11-13 14:54:35,456 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 162 transitions, 337 flow [2024-11-13 14:54:35,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 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) [2024-11-13 14:54:35,457 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:54:35,457 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:54:35,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 14:54:35,457 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-11-13 14:54:35,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:54:35,457 INFO L85 PathProgramCache]: Analyzing trace with hash -111931401, now seen corresponding path program 1 times [2024-11-13 14:54:35,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:54:35,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623165318] [2024-11-13 14:54:35,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:54:35,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:54:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:54:35,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:54:35,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:54:35,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623165318] [2024-11-13 14:54:35,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623165318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:54:35,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:54:35,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:54:35,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611497041] [2024-11-13 14:54:35,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:54:35,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:54:35,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:54:35,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:54:35,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:54:35,577 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 219 [2024-11-13 14:54:35,578 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 162 transitions, 337 flow. Second operand has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 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) [2024-11-13 14:54:35,578 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:54:35,578 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 219 [2024-11-13 14:54:35,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:54:35,660 INFO L124 PetriNetUnfolderBase]: 28/252 cut-off events. [2024-11-13 14:54:35,660 INFO L125 PetriNetUnfolderBase]: For 9/10 co-relation queries the response was YES. [2024-11-13 14:54:35,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 314 conditions, 252 events. 28/252 cut-off events. For 9/10 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 575 event pairs, 15 based on Foata normal form. 1/243 useless extension candidates. Maximal degree in co-relation 285. Up to 47 conditions per place. [2024-11-13 14:54:35,661 INFO L140 encePairwiseOnDemand]: 217/219 looper letters, 0 selfloop transitions, 0 changer transitions 161/161 dead transitions. [2024-11-13 14:54:35,663 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 161 transitions, 355 flow [2024-11-13 14:54:35,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:54:35,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:54:35,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 563 transitions. [2024-11-13 14:54:35,665 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8569254185692542 [2024-11-13 14:54:35,665 INFO L175 Difference]: Start difference. First operand has 168 places, 162 transitions, 337 flow. Second operand 3 states and 563 transitions. [2024-11-13 14:54:35,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 161 transitions, 355 flow [2024-11-13 14:54:35,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 161 transitions, 351 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:54:35,668 INFO L231 Difference]: Finished difference. Result has 167 places, 0 transitions, 0 flow [2024-11-13 14:54:35,668 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=331, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=167, PETRI_TRANSITIONS=0} [2024-11-13 14:54:35,670 INFO L277 CegarLoopForPetriNet]: 200 programPoint places, -33 predicate places. [2024-11-13 14:54:35,670 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 0 transitions, 0 flow [2024-11-13 14:54:35,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 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) [2024-11-13 14:54:35,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (48 of 49 remaining) [2024-11-13 14:54:35,675 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (47 of 49 remaining) [2024-11-13 14:54:35,676 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (46 of 49 remaining) [2024-11-13 14:54:35,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (45 of 49 remaining) [2024-11-13 14:54:35,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (44 of 49 remaining) [2024-11-13 14:54:35,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (43 of 49 remaining) [2024-11-13 14:54:35,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (42 of 49 remaining) [2024-11-13 14:54:35,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (41 of 49 remaining) [2024-11-13 14:54:35,677 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (40 of 49 remaining) [2024-11-13 14:54:35,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (39 of 49 remaining) [2024-11-13 14:54:35,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (38 of 49 remaining) [2024-11-13 14:54:35,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (37 of 49 remaining) [2024-11-13 14:54:35,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (36 of 49 remaining) [2024-11-13 14:54:35,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (35 of 49 remaining) [2024-11-13 14:54:35,678 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (34 of 49 remaining) [2024-11-13 14:54:35,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (33 of 49 remaining) [2024-11-13 14:54:35,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (32 of 49 remaining) [2024-11-13 14:54:35,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (31 of 49 remaining) [2024-11-13 14:54:35,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (30 of 49 remaining) [2024-11-13 14:54:35,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (29 of 49 remaining) [2024-11-13 14:54:35,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (28 of 49 remaining) [2024-11-13 14:54:35,679 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (27 of 49 remaining) [2024-11-13 14:54:35,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (26 of 49 remaining) [2024-11-13 14:54:35,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (25 of 49 remaining) [2024-11-13 14:54:35,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (24 of 49 remaining) [2024-11-13 14:54:35,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (23 of 49 remaining) [2024-11-13 14:54:35,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (22 of 49 remaining) [2024-11-13 14:54:35,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (21 of 49 remaining) [2024-11-13 14:54:35,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (20 of 49 remaining) [2024-11-13 14:54:35,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 49 remaining) [2024-11-13 14:54:35,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 49 remaining) [2024-11-13 14:54:35,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 49 remaining) [2024-11-13 14:54:35,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (16 of 49 remaining) [2024-11-13 14:54:35,682 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (15 of 49 remaining) [2024-11-13 14:54:35,682 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (14 of 49 remaining) [2024-11-13 14:54:35,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (13 of 49 remaining) [2024-11-13 14:54:35,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (12 of 49 remaining) [2024-11-13 14:54:35,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (11 of 49 remaining) [2024-11-13 14:54:35,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (10 of 49 remaining) [2024-11-13 14:54:35,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 49 remaining) [2024-11-13 14:54:35,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (8 of 49 remaining) [2024-11-13 14:54:35,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (7 of 49 remaining) [2024-11-13 14:54:35,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (6 of 49 remaining) [2024-11-13 14:54:35,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (5 of 49 remaining) [2024-11-13 14:54:35,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (4 of 49 remaining) [2024-11-13 14:54:35,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (3 of 49 remaining) [2024-11-13 14:54:35,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (2 of 49 remaining) [2024-11-13 14:54:35,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 49 remaining) [2024-11-13 14:54:35,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (0 of 49 remaining) [2024-11-13 14:54:35,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 14:54:35,685 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:54:35,693 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 14:54:35,693 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:54:35,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:54:35 BasicIcfg [2024-11-13 14:54:35,702 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:54:35,703 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:54:35,703 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:54:35,703 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:54:35,704 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:54:30" (3/4) ... [2024-11-13 14:54:35,706 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 14:54:35,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-13 14:54:35,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-13 14:54:35,710 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-13 14:54:35,719 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-13 14:54:35,719 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 14:54:35,719 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 14:54:35,720 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 14:54:35,843 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764d0018-be6b-4728-a528-d8da58bd3b60/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:54:35,844 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764d0018-be6b-4728-a528-d8da58bd3b60/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 14:54:35,844 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:54:35,846 INFO L158 Benchmark]: Toolchain (without parser) took 7107.03ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 91.7MB in the beginning and 111.5MB in the end (delta: -19.8MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-11-13 14:54:35,847 INFO L158 Benchmark]: CDTParser took 1.50ms. Allocated memory is still 83.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:54:35,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.75ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 79.2MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:54:35,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.40ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:54:35,849 INFO L158 Benchmark]: Boogie Preprocessor took 35.92ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 75.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:54:35,850 INFO L158 Benchmark]: RCFGBuilder took 1330.37ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 79.3MB in the end (delta: -4.0MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2024-11-13 14:54:35,850 INFO L158 Benchmark]: TraceAbstraction took 5173.69ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 78.6MB in the beginning and 116.9MB in the end (delta: -38.4MB). Peak memory consumption was 71.4MB. Max. memory is 16.1GB. [2024-11-13 14:54:35,852 INFO L158 Benchmark]: Witness Printer took 141.09ms. Allocated memory is still 151.0MB. Free memory was 116.9MB in the beginning and 111.5MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:54:35,854 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.50ms. Allocated memory is still 83.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.75ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 79.2MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.40ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.92ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 75.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1330.37ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 79.3MB in the end (delta: -4.0MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5173.69ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 78.6MB in the beginning and 116.9MB in the end (delta: -38.4MB). Peak memory consumption was 71.4MB. Max. memory is 16.1GB. * Witness Printer took 141.09ms. Allocated memory is still 151.0MB. Free memory was 116.9MB in the beginning and 111.5MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: 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 7 procedures, 261 locations, 49 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: 4.9s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 252 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 129 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 434 IncrementalHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 30 mSDtfsCounter, 434 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=416occurred in iteration=0, InterpolantAutomatonStates: 33, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 609 NumberOfCodeBlocks, 609 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 600 ConstructedInterpolants, 0 QuantifiedInterpolants, 810 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 29 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 14:54:35,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_764d0018-be6b-4728-a528-d8da58bd3b60/bin/uautomizer-verify-qhAvR1uOyd/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