./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c3783c-efe8-4080-8241-a61744cbb915/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c3783c-efe8-4080-8241-a61744cbb915/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c3783c-efe8-4080-8241-a61744cbb915/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c3783c-efe8-4080-8241-a61744cbb915/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c3783c-efe8-4080-8241-a61744cbb915/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c3783c-efe8-4080-8241-a61744cbb915/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:50:04,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:50:04,126 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c3783c-efe8-4080-8241-a61744cbb915/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 10:50:04,137 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:50:04,138 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:50:04,179 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:50:04,179 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:50:04,180 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:50:04,181 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:50:04,186 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:50:04,188 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:50:04,188 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:50:04,189 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:50:04,190 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:50:04,191 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:50:04,191 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:50:04,192 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:50:04,192 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:50:04,192 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:50:04,193 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:50:04,193 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:50:04,194 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:50:04,194 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 10:50:04,196 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:50:04,196 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:50:04,197 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:50:04,197 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:50:04,198 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:50:04,198 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:50:04,199 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:50:04,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:50:04,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:50:04,201 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:50:04,201 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:50:04,201 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:50:04,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:50:04,201 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:50:04,202 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:50:04,202 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:50:04,202 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:50:04,202 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:50:04,203 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c3783c-efe8-4080-8241-a61744cbb915/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c3783c-efe8-4080-8241-a61744cbb915/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 [2023-11-26 10:50:04,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:50:04,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:50:04,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:50:04,595 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:50:04,596 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:50:04,597 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c3783c-efe8-4080-8241-a61744cbb915/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2023-11-26 10:50:07,686 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:50:07,991 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:50:07,991 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c3783c-efe8-4080-8241-a61744cbb915/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2023-11-26 10:50:08,000 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c3783c-efe8-4080-8241-a61744cbb915/bin/uautomizer-verify-VRDe98Ueme/data/4e2240477/c4e71709ff6a40ac9b33e2abf707b81e/FLAG89323b689 [2023-11-26 10:50:08,014 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c3783c-efe8-4080-8241-a61744cbb915/bin/uautomizer-verify-VRDe98Ueme/data/4e2240477/c4e71709ff6a40ac9b33e2abf707b81e [2023-11-26 10:50:08,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:50:08,019 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:50:08,020 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:50:08,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:50:08,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:50:08,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:50:08" (1/1) ... [2023-11-26 10:50:08,028 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79a8b350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:08, skipping insertion in model container [2023-11-26 10:50:08,029 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:50:08" (1/1) ... [2023-11-26 10:50:08,060 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:50:08,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:50:08,279 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:50:08,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:50:08,364 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:50:08,364 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:50:08,372 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:50:08,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:08 WrapperNode [2023-11-26 10:50:08,373 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:50:08,374 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:50:08,374 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:50:08,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:50:08,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:08" (1/1) ... [2023-11-26 10:50:08,398 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:08" (1/1) ... [2023-11-26 10:50:08,454 INFO L138 Inliner]: procedures = 25, calls = 56, calls flagged for inlining = 17, calls inlined = 19, statements flattened = 493 [2023-11-26 10:50:08,455 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:50:08,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:50:08,456 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:50:08,456 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:50:08,467 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:08" (1/1) ... [2023-11-26 10:50:08,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:08" (1/1) ... [2023-11-26 10:50:08,475 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:08" (1/1) ... [2023-11-26 10:50:08,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:08" (1/1) ... [2023-11-26 10:50:08,499 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:08" (1/1) ... [2023-11-26 10:50:08,505 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:08" (1/1) ... [2023-11-26 10:50:08,509 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:08" (1/1) ... [2023-11-26 10:50:08,512 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:08" (1/1) ... [2023-11-26 10:50:08,518 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:50:08,519 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:50:08,520 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:50:08,520 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:50:08,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:08" (1/1) ... [2023-11-26 10:50:08,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:50:08,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c3783c-efe8-4080-8241-a61744cbb915/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:50:08,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c3783c-efe8-4080-8241-a61744cbb915/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:50:08,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c3783c-efe8-4080-8241-a61744cbb915/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:50:08,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:50:08,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:50:08,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 10:50:08,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 10:50:08,638 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-26 10:50:08,640 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-26 10:50:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-26 10:50:08,640 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-26 10:50:08,640 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-26 10:50:08,640 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-26 10:50:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 10:50:08,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 10:50:08,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 10:50:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 10:50:08,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:50:08,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:50:08,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:50:08,647 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 10:50:08,843 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:50:08,846 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:50:09,755 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:50:10,302 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:50:10,302 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-26 10:50:10,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:50:10 BoogieIcfgContainer [2023-11-26 10:50:10,305 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:50:10,308 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:50:10,308 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:50:10,312 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:50:10,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:50:08" (1/3) ... [2023-11-26 10:50:10,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6804fab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:50:10, skipping insertion in model container [2023-11-26 10:50:10,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:50:08" (2/3) ... [2023-11-26 10:50:10,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6804fab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:50:10, skipping insertion in model container [2023-11-26 10:50:10,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:50:10" (3/3) ... [2023-11-26 10:50:10,320 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-queue-add-3.wvr.c [2023-11-26 10:50:10,330 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 10:50:10,342 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:50:10,343 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 70 error locations. [2023-11-26 10:50:10,343 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 10:50:10,492 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-26 10:50:10,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 377 places, 385 transitions, 791 flow [2023-11-26 10:50:10,723 INFO L124 PetriNetUnfolderBase]: 18/382 cut-off events. [2023-11-26 10:50:10,724 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-26 10:50:10,738 INFO L83 FinitePrefix]: Finished finitePrefix Result has 395 conditions, 382 events. 18/382 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 551 event pairs, 0 based on Foata normal form. 0/294 useless extension candidates. Maximal degree in co-relation 299. Up to 3 conditions per place. [2023-11-26 10:50:10,738 INFO L82 GeneralOperation]: Start removeDead. Operand has 377 places, 385 transitions, 791 flow [2023-11-26 10:50:10,753 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 352 places, 359 transitions, 736 flow [2023-11-26 10:50:10,775 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:50:10,783 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@679da8ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:50:10,783 INFO L358 AbstractCegarLoop]: Starting to check reachability of 122 error locations. [2023-11-26 10:50:10,800 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 10:50:10,800 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events. [2023-11-26 10:50:10,800 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 10:50:10,801 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:10,801 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:10,802 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-26 10:50:10,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:10,810 INFO L85 PathProgramCache]: Analyzing trace with hash 952478365, now seen corresponding path program 1 times [2023-11-26 10:50:10,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:10,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385004511] [2023-11-26 10:50:10,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:10,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:11,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:50:11,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:11,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385004511] [2023-11-26 10:50:11,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385004511] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:11,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:11,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:50:11,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276433809] [2023-11-26 10:50:11,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:11,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:50:11,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:11,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:50:11,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:50:11,274 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 385 [2023-11-26 10:50:11,280 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 359 transitions, 736 flow. Second operand has 3 states, 3 states have (on average 307.3333333333333) internal successors, (922), 3 states have internal predecessors, (922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:11,286 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:11,286 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 385 [2023-11-26 10:50:11,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:11,562 INFO L124 PetriNetUnfolderBase]: 78/650 cut-off events. [2023-11-26 10:50:11,563 INFO L125 PetriNetUnfolderBase]: For 44/44 co-relation queries the response was YES. [2023-11-26 10:50:11,567 INFO L83 FinitePrefix]: Finished finitePrefix Result has 827 conditions, 650 events. 78/650 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2499 event pairs, 51 based on Foata normal form. 50/608 useless extension candidates. Maximal degree in co-relation 536. Up to 128 conditions per place. [2023-11-26 10:50:11,573 INFO L140 encePairwiseOnDemand]: 326/385 looper letters, 17 selfloop transitions, 2 changer transitions 5/302 dead transitions. [2023-11-26 10:50:11,573 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 302 transitions, 660 flow [2023-11-26 10:50:11,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:50:11,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:50:11,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 994 transitions. [2023-11-26 10:50:11,593 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8606060606060606 [2023-11-26 10:50:11,594 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 994 transitions. [2023-11-26 10:50:11,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 994 transitions. [2023-11-26 10:50:11,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:11,601 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 994 transitions. [2023-11-26 10:50:11,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 331.3333333333333) internal successors, (994), 3 states have internal predecessors, (994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:11,617 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:11,618 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:11,621 INFO L175 Difference]: Start difference. First operand has 352 places, 359 transitions, 736 flow. Second operand 3 states and 994 transitions. [2023-11-26 10:50:11,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 302 transitions, 660 flow [2023-11-26 10:50:11,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 302 transitions, 648 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-26 10:50:11,636 INFO L231 Difference]: Finished difference. Result has 303 places, 297 transitions, 604 flow [2023-11-26 10:50:11,639 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=604, PETRI_PLACES=303, PETRI_TRANSITIONS=297} [2023-11-26 10:50:11,643 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -49 predicate places. [2023-11-26 10:50:11,643 INFO L495 AbstractCegarLoop]: Abstraction has has 303 places, 297 transitions, 604 flow [2023-11-26 10:50:11,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 307.3333333333333) internal successors, (922), 3 states have internal predecessors, (922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:11,645 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:11,645 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:11,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:50:11,646 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-26 10:50:11,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:11,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1681502295, now seen corresponding path program 1 times [2023-11-26 10:50:11,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:11,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878608789] [2023-11-26 10:50:11,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:11,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:11,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:50:11,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:11,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878608789] [2023-11-26 10:50:11,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878608789] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:11,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:11,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:50:11,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274563877] [2023-11-26 10:50:11,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:11,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:50:11,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:11,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:50:11,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:50:11,741 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 385 [2023-11-26 10:50:11,743 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 297 transitions, 604 flow. Second operand has 3 states, 3 states have (on average 309.3333333333333) internal successors, (928), 3 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:11,743 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:11,743 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 385 [2023-11-26 10:50:11,743 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:12,036 INFO L124 PetriNetUnfolderBase]: 76/643 cut-off events. [2023-11-26 10:50:12,037 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-26 10:50:12,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 775 conditions, 643 events. 76/643 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2349 event pairs, 38 based on Foata normal form. 0/543 useless extension candidates. Maximal degree in co-relation 739. Up to 113 conditions per place. [2023-11-26 10:50:12,045 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 15 selfloop transitions, 2 changer transitions 0/296 dead transitions. [2023-11-26 10:50:12,045 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 296 transitions, 636 flow [2023-11-26 10:50:12,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:50:12,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:50:12,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 942 transitions. [2023-11-26 10:50:12,050 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8155844155844156 [2023-11-26 10:50:12,051 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 942 transitions. [2023-11-26 10:50:12,051 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 942 transitions. [2023-11-26 10:50:12,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:12,052 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 942 transitions. [2023-11-26 10:50:12,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 314.0) internal successors, (942), 3 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:12,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:12,062 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:12,062 INFO L175 Difference]: Start difference. First operand has 303 places, 297 transitions, 604 flow. Second operand 3 states and 942 transitions. [2023-11-26 10:50:12,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 296 transitions, 636 flow [2023-11-26 10:50:12,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 296 transitions, 632 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:50:12,071 INFO L231 Difference]: Finished difference. Result has 297 places, 296 transitions, 602 flow [2023-11-26 10:50:12,072 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=598, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=602, PETRI_PLACES=297, PETRI_TRANSITIONS=296} [2023-11-26 10:50:12,073 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -55 predicate places. [2023-11-26 10:50:12,074 INFO L495 AbstractCegarLoop]: Abstraction has has 297 places, 296 transitions, 602 flow [2023-11-26 10:50:12,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 309.3333333333333) internal successors, (928), 3 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:12,075 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:12,075 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:12,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:50:12,076 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-26 10:50:12,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:12,076 INFO L85 PathProgramCache]: Analyzing trace with hash 886509222, now seen corresponding path program 1 times [2023-11-26 10:50:12,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:12,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880838534] [2023-11-26 10:50:12,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:12,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:12,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:50:12,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:12,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880838534] [2023-11-26 10:50:12,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880838534] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:12,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:12,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:50:12,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085626081] [2023-11-26 10:50:12,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:12,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:50:12,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:12,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:50:12,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:50:12,214 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 385 [2023-11-26 10:50:12,216 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 296 transitions, 602 flow. Second operand has 3 states, 3 states have (on average 309.3333333333333) internal successors, (928), 3 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:12,216 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:12,216 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 385 [2023-11-26 10:50:12,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:12,419 INFO L124 PetriNetUnfolderBase]: 76/642 cut-off events. [2023-11-26 10:50:12,420 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-26 10:50:12,422 INFO L83 FinitePrefix]: Finished finitePrefix Result has 774 conditions, 642 events. 76/642 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2343 event pairs, 38 based on Foata normal form. 0/543 useless extension candidates. Maximal degree in co-relation 730. Up to 113 conditions per place. [2023-11-26 10:50:12,427 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 15 selfloop transitions, 2 changer transitions 0/295 dead transitions. [2023-11-26 10:50:12,427 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 295 transitions, 634 flow [2023-11-26 10:50:12,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:50:12,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:50:12,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 942 transitions. [2023-11-26 10:50:12,431 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8155844155844156 [2023-11-26 10:50:12,431 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 942 transitions. [2023-11-26 10:50:12,431 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 942 transitions. [2023-11-26 10:50:12,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:12,432 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 942 transitions. [2023-11-26 10:50:12,435 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 314.0) internal successors, (942), 3 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:12,439 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:12,440 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:12,441 INFO L175 Difference]: Start difference. First operand has 297 places, 296 transitions, 602 flow. Second operand 3 states and 942 transitions. [2023-11-26 10:50:12,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 295 transitions, 634 flow [2023-11-26 10:50:12,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 295 transitions, 630 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:50:12,448 INFO L231 Difference]: Finished difference. Result has 296 places, 295 transitions, 600 flow [2023-11-26 10:50:12,449 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=600, PETRI_PLACES=296, PETRI_TRANSITIONS=295} [2023-11-26 10:50:12,450 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -56 predicate places. [2023-11-26 10:50:12,450 INFO L495 AbstractCegarLoop]: Abstraction has has 296 places, 295 transitions, 600 flow [2023-11-26 10:50:12,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 309.3333333333333) internal successors, (928), 3 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:12,452 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:12,452 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:12,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:50:12,452 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-26 10:50:12,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:12,453 INFO L85 PathProgramCache]: Analyzing trace with hash -985734678, now seen corresponding path program 1 times [2023-11-26 10:50:12,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:12,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694942633] [2023-11-26 10:50:12,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:12,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:12,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:50:12,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:12,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694942633] [2023-11-26 10:50:12,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694942633] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:12,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:12,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:50:12,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225298970] [2023-11-26 10:50:12,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:12,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:50:12,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:12,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:50:12,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:50:12,539 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 385 [2023-11-26 10:50:12,541 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 295 transitions, 600 flow. Second operand has 3 states, 3 states have (on average 309.3333333333333) internal successors, (928), 3 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:12,541 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:12,541 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 385 [2023-11-26 10:50:12,541 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:12,734 INFO L124 PetriNetUnfolderBase]: 76/641 cut-off events. [2023-11-26 10:50:12,735 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2023-11-26 10:50:12,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 773 conditions, 641 events. 76/641 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2341 event pairs, 38 based on Foata normal form. 0/543 useless extension candidates. Maximal degree in co-relation 721. Up to 113 conditions per place. [2023-11-26 10:50:12,743 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 15 selfloop transitions, 2 changer transitions 0/294 dead transitions. [2023-11-26 10:50:12,744 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 294 transitions, 632 flow [2023-11-26 10:50:12,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:50:12,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:50:12,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 942 transitions. [2023-11-26 10:50:12,748 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8155844155844156 [2023-11-26 10:50:12,748 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 942 transitions. [2023-11-26 10:50:12,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 942 transitions. [2023-11-26 10:50:12,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:12,750 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 942 transitions. [2023-11-26 10:50:12,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 314.0) internal successors, (942), 3 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:12,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:12,759 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:12,759 INFO L175 Difference]: Start difference. First operand has 296 places, 295 transitions, 600 flow. Second operand 3 states and 942 transitions. [2023-11-26 10:50:12,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 294 transitions, 632 flow [2023-11-26 10:50:12,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 294 transitions, 628 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:50:12,767 INFO L231 Difference]: Finished difference. Result has 295 places, 294 transitions, 598 flow [2023-11-26 10:50:12,768 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=598, PETRI_PLACES=295, PETRI_TRANSITIONS=294} [2023-11-26 10:50:12,770 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -57 predicate places. [2023-11-26 10:50:12,770 INFO L495 AbstractCegarLoop]: Abstraction has has 295 places, 294 transitions, 598 flow [2023-11-26 10:50:12,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 309.3333333333333) internal successors, (928), 3 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:12,771 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:12,771 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:12,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 10:50:12,772 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-26 10:50:12,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:12,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1754484228, now seen corresponding path program 1 times [2023-11-26 10:50:12,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:12,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708700566] [2023-11-26 10:50:12,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:12,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:12,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:50:12,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:12,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708700566] [2023-11-26 10:50:12,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708700566] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:12,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:12,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:50:12,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940522503] [2023-11-26 10:50:12,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:12,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:50:12,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:12,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:50:12,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:50:12,903 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 385 [2023-11-26 10:50:12,905 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 294 transitions, 598 flow. Second operand has 3 states, 3 states have (on average 313.0) internal successors, (939), 3 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:12,905 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:12,906 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 385 [2023-11-26 10:50:12,906 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:13,149 INFO L124 PetriNetUnfolderBase]: 79/718 cut-off events. [2023-11-26 10:50:13,149 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2023-11-26 10:50:13,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 849 conditions, 718 events. 79/718 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 3008 event pairs, 18 based on Foata normal form. 0/617 useless extension candidates. Maximal degree in co-relation 789. Up to 84 conditions per place. [2023-11-26 10:50:13,162 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 18 selfloop transitions, 2 changer transitions 0/299 dead transitions. [2023-11-26 10:50:13,162 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 299 transitions, 650 flow [2023-11-26 10:50:13,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:50:13,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:50:13,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2023-11-26 10:50:13,166 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8285714285714286 [2023-11-26 10:50:13,166 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 957 transitions. [2023-11-26 10:50:13,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 957 transitions. [2023-11-26 10:50:13,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:13,167 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 957 transitions. [2023-11-26 10:50:13,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 319.0) internal successors, (957), 3 states have internal predecessors, (957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:13,174 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:13,175 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:13,175 INFO L175 Difference]: Start difference. First operand has 295 places, 294 transitions, 598 flow. Second operand 3 states and 957 transitions. [2023-11-26 10:50:13,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 299 transitions, 650 flow [2023-11-26 10:50:13,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 299 transitions, 646 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:50:13,183 INFO L231 Difference]: Finished difference. Result has 295 places, 294 transitions, 602 flow [2023-11-26 10:50:13,184 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=592, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=602, PETRI_PLACES=295, PETRI_TRANSITIONS=294} [2023-11-26 10:50:13,187 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -57 predicate places. [2023-11-26 10:50:13,187 INFO L495 AbstractCegarLoop]: Abstraction has has 295 places, 294 transitions, 602 flow [2023-11-26 10:50:13,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.0) internal successors, (939), 3 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:13,188 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:13,189 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:13,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 10:50:13,190 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-26 10:50:13,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:13,191 INFO L85 PathProgramCache]: Analyzing trace with hash 890688504, now seen corresponding path program 1 times [2023-11-26 10:50:13,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:13,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712027076] [2023-11-26 10:50:13,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:13,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:13,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:50:13,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:13,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712027076] [2023-11-26 10:50:13,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712027076] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:13,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:13,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:50:13,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731060471] [2023-11-26 10:50:13,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:13,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:50:13,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:13,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:50:13,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:50:13,288 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 385 [2023-11-26 10:50:13,290 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 294 transitions, 602 flow. Second operand has 3 states, 3 states have (on average 310.3333333333333) internal successors, (931), 3 states have internal predecessors, (931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:13,290 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:13,290 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 385 [2023-11-26 10:50:13,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:13,455 INFO L124 PetriNetUnfolderBase]: 76/643 cut-off events. [2023-11-26 10:50:13,456 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2023-11-26 10:50:13,458 INFO L83 FinitePrefix]: Finished finitePrefix Result has 809 conditions, 643 events. 76/643 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2360 event pairs, 38 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 340. Up to 114 conditions per place. [2023-11-26 10:50:13,462 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 15 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2023-11-26 10:50:13,462 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 293 transitions, 634 flow [2023-11-26 10:50:13,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:50:13,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:50:13,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 944 transitions. [2023-11-26 10:50:13,466 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8173160173160173 [2023-11-26 10:50:13,467 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 944 transitions. [2023-11-26 10:50:13,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 944 transitions. [2023-11-26 10:50:13,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:13,468 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 944 transitions. [2023-11-26 10:50:13,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 314.6666666666667) internal successors, (944), 3 states have internal predecessors, (944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:13,474 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:13,475 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:13,476 INFO L175 Difference]: Start difference. First operand has 295 places, 294 transitions, 602 flow. Second operand 3 states and 944 transitions. [2023-11-26 10:50:13,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 293 transitions, 634 flow [2023-11-26 10:50:13,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 293 transitions, 632 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 10:50:13,484 INFO L231 Difference]: Finished difference. Result has 295 places, 293 transitions, 602 flow [2023-11-26 10:50:13,485 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=598, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=602, PETRI_PLACES=295, PETRI_TRANSITIONS=293} [2023-11-26 10:50:13,487 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -57 predicate places. [2023-11-26 10:50:13,487 INFO L495 AbstractCegarLoop]: Abstraction has has 295 places, 293 transitions, 602 flow [2023-11-26 10:50:13,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 310.3333333333333) internal successors, (931), 3 states have internal predecessors, (931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:13,488 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:13,488 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:13,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 10:50:13,489 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-26 10:50:13,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:13,489 INFO L85 PathProgramCache]: Analyzing trace with hash 885671728, now seen corresponding path program 1 times [2023-11-26 10:50:13,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:13,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154738910] [2023-11-26 10:50:13,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:13,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:13,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:50:13,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:13,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154738910] [2023-11-26 10:50:13,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154738910] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:13,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:13,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:50:13,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591356925] [2023-11-26 10:50:13,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:13,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:50:13,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:13,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:50:13,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:50:13,553 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 385 [2023-11-26 10:50:13,554 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 293 transitions, 602 flow. Second operand has 3 states, 3 states have (on average 309.3333333333333) internal successors, (928), 3 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:13,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:13,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 385 [2023-11-26 10:50:13,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:13,732 INFO L124 PetriNetUnfolderBase]: 76/642 cut-off events. [2023-11-26 10:50:13,733 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2023-11-26 10:50:13,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 800 conditions, 642 events. 76/642 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2363 event pairs, 38 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 731. Up to 115 conditions per place. [2023-11-26 10:50:13,739 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 16 selfloop transitions, 2 changer transitions 0/292 dead transitions. [2023-11-26 10:50:13,739 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 292 transitions, 636 flow [2023-11-26 10:50:13,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:50:13,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:50:13,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 942 transitions. [2023-11-26 10:50:13,743 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8155844155844156 [2023-11-26 10:50:13,743 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 942 transitions. [2023-11-26 10:50:13,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 942 transitions. [2023-11-26 10:50:13,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:13,744 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 942 transitions. [2023-11-26 10:50:13,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 314.0) internal successors, (942), 3 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:13,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:13,751 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:13,751 INFO L175 Difference]: Start difference. First operand has 295 places, 293 transitions, 602 flow. Second operand 3 states and 942 transitions. [2023-11-26 10:50:13,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 292 transitions, 636 flow [2023-11-26 10:50:13,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 292 transitions, 632 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:50:13,759 INFO L231 Difference]: Finished difference. Result has 294 places, 292 transitions, 600 flow [2023-11-26 10:50:13,760 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=292, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=600, PETRI_PLACES=294, PETRI_TRANSITIONS=292} [2023-11-26 10:50:13,761 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -58 predicate places. [2023-11-26 10:50:13,761 INFO L495 AbstractCegarLoop]: Abstraction has has 294 places, 292 transitions, 600 flow [2023-11-26 10:50:13,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 309.3333333333333) internal successors, (928), 3 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:13,762 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:13,762 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:13,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 10:50:13,762 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-26 10:50:13,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:13,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1387757266, now seen corresponding path program 1 times [2023-11-26 10:50:13,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:13,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441305799] [2023-11-26 10:50:13,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:13,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:13,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:50:13,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:13,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441305799] [2023-11-26 10:50:13,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441305799] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:13,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:13,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:50:13,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634234716] [2023-11-26 10:50:13,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:13,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:50:13,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:13,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:50:13,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:50:13,825 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 385 [2023-11-26 10:50:13,827 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 292 transitions, 600 flow. Second operand has 3 states, 3 states have (on average 313.0) internal successors, (939), 3 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:13,827 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:13,827 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 385 [2023-11-26 10:50:13,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:13,999 INFO L124 PetriNetUnfolderBase]: 83/699 cut-off events. [2023-11-26 10:50:14,000 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2023-11-26 10:50:14,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 863 conditions, 699 events. 83/699 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2836 event pairs, 20 based on Foata normal form. 0/602 useless extension candidates. Maximal degree in co-relation 786. Up to 66 conditions per place. [2023-11-26 10:50:14,007 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 21 selfloop transitions, 2 changer transitions 0/299 dead transitions. [2023-11-26 10:50:14,007 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 299 transitions, 666 flow [2023-11-26 10:50:14,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:50:14,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:50:14,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 958 transitions. [2023-11-26 10:50:14,011 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8294372294372294 [2023-11-26 10:50:14,012 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 958 transitions. [2023-11-26 10:50:14,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 958 transitions. [2023-11-26 10:50:14,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:14,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 958 transitions. [2023-11-26 10:50:14,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:14,019 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:14,020 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:14,020 INFO L175 Difference]: Start difference. First operand has 294 places, 292 transitions, 600 flow. Second operand 3 states and 958 transitions. [2023-11-26 10:50:14,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 299 transitions, 666 flow [2023-11-26 10:50:14,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 299 transitions, 662 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:50:14,028 INFO L231 Difference]: Finished difference. Result has 294 places, 292 transitions, 604 flow [2023-11-26 10:50:14,029 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=604, PETRI_PLACES=294, PETRI_TRANSITIONS=292} [2023-11-26 10:50:14,030 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -58 predicate places. [2023-11-26 10:50:14,031 INFO L495 AbstractCegarLoop]: Abstraction has has 294 places, 292 transitions, 604 flow [2023-11-26 10:50:14,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.0) internal successors, (939), 3 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:14,031 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:14,032 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:14,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 10:50:14,032 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-26 10:50:14,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:14,033 INFO L85 PathProgramCache]: Analyzing trace with hash -398953274, now seen corresponding path program 1 times [2023-11-26 10:50:14,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:14,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501510918] [2023-11-26 10:50:14,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:14,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:14,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:50:14,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:14,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501510918] [2023-11-26 10:50:14,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501510918] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:14,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:14,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:50:14,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408690] [2023-11-26 10:50:14,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:14,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:50:14,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:14,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:50:14,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:50:14,094 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 385 [2023-11-26 10:50:14,095 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 292 transitions, 604 flow. Second operand has 3 states, 3 states have (on average 310.3333333333333) internal successors, (931), 3 states have internal predecessors, (931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:14,095 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:14,096 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 385 [2023-11-26 10:50:14,096 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:14,299 INFO L124 PetriNetUnfolderBase]: 83/651 cut-off events. [2023-11-26 10:50:14,299 INFO L125 PetriNetUnfolderBase]: For 58/58 co-relation queries the response was YES. [2023-11-26 10:50:14,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 856 conditions, 651 events. 83/651 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2402 event pairs, 38 based on Foata normal form. 0/553 useless extension candidates. Maximal degree in co-relation 480. Up to 123 conditions per place. [2023-11-26 10:50:14,306 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 16 selfloop transitions, 2 changer transitions 0/291 dead transitions. [2023-11-26 10:50:14,307 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 291 transitions, 638 flow [2023-11-26 10:50:14,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:50:14,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:50:14,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 944 transitions. [2023-11-26 10:50:14,311 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8173160173160173 [2023-11-26 10:50:14,312 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 944 transitions. [2023-11-26 10:50:14,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 944 transitions. [2023-11-26 10:50:14,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:14,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 944 transitions. [2023-11-26 10:50:14,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 314.6666666666667) internal successors, (944), 3 states have internal predecessors, (944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:14,320 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:14,321 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:14,321 INFO L175 Difference]: Start difference. First operand has 294 places, 292 transitions, 604 flow. Second operand 3 states and 944 transitions. [2023-11-26 10:50:14,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 291 transitions, 638 flow [2023-11-26 10:50:14,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 291 transitions, 636 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 10:50:14,331 INFO L231 Difference]: Finished difference. Result has 294 places, 291 transitions, 604 flow [2023-11-26 10:50:14,331 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=600, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=604, PETRI_PLACES=294, PETRI_TRANSITIONS=291} [2023-11-26 10:50:14,332 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -58 predicate places. [2023-11-26 10:50:14,333 INFO L495 AbstractCegarLoop]: Abstraction has has 294 places, 291 transitions, 604 flow [2023-11-26 10:50:14,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 310.3333333333333) internal successors, (931), 3 states have internal predecessors, (931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:14,334 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:14,334 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:14,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 10:50:14,334 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-26 10:50:14,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:14,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1041086743, now seen corresponding path program 1 times [2023-11-26 10:50:14,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:14,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197322551] [2023-11-26 10:50:14,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:14,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:14,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:50:14,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:14,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197322551] [2023-11-26 10:50:14,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197322551] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:14,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:14,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:50:14,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801931332] [2023-11-26 10:50:14,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:14,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:50:14,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:14,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:50:14,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:50:14,399 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 385 [2023-11-26 10:50:14,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 291 transitions, 604 flow. Second operand has 3 states, 3 states have (on average 313.0) internal successors, (939), 3 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:14,401 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:14,401 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 385 [2023-11-26 10:50:14,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:14,576 INFO L124 PetriNetUnfolderBase]: 83/650 cut-off events. [2023-11-26 10:50:14,576 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2023-11-26 10:50:14,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 842 conditions, 650 events. 83/650 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2422 event pairs, 38 based on Foata normal form. 0/553 useless extension candidates. Maximal degree in co-relation 756. Up to 121 conditions per place. [2023-11-26 10:50:14,584 INFO L140 encePairwiseOnDemand]: 383/385 looper letters, 15 selfloop transitions, 1 changer transitions 0/290 dead transitions. [2023-11-26 10:50:14,584 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 290 transitions, 634 flow [2023-11-26 10:50:14,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:50:14,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:50:14,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 951 transitions. [2023-11-26 10:50:14,588 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8233766233766234 [2023-11-26 10:50:14,588 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 951 transitions. [2023-11-26 10:50:14,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 951 transitions. [2023-11-26 10:50:14,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:14,590 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 951 transitions. [2023-11-26 10:50:14,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 317.0) internal successors, (951), 3 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:14,596 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:14,597 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:14,597 INFO L175 Difference]: Start difference. First operand has 294 places, 291 transitions, 604 flow. Second operand 3 states and 951 transitions. [2023-11-26 10:50:14,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 290 transitions, 634 flow [2023-11-26 10:50:14,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 290 transitions, 630 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:50:14,605 INFO L231 Difference]: Finished difference. Result has 293 places, 290 transitions, 600 flow [2023-11-26 10:50:14,606 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=598, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=600, PETRI_PLACES=293, PETRI_TRANSITIONS=290} [2023-11-26 10:50:14,607 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -59 predicate places. [2023-11-26 10:50:14,607 INFO L495 AbstractCegarLoop]: Abstraction has has 293 places, 290 transitions, 600 flow [2023-11-26 10:50:14,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.0) internal successors, (939), 3 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:14,608 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:14,608 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:14,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-26 10:50:14,609 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-26 10:50:14,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:14,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1155574491, now seen corresponding path program 1 times [2023-11-26 10:50:14,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:14,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867113646] [2023-11-26 10:50:14,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:14,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:14,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:15,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:50:15,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:15,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867113646] [2023-11-26 10:50:15,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867113646] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:15,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:15,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:50:15,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417955465] [2023-11-26 10:50:15,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:15,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:50:15,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:15,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:50:15,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:50:15,542 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 276 out of 385 [2023-11-26 10:50:15,545 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 290 transitions, 600 flow. Second operand has 6 states, 6 states have (on average 277.5) internal successors, (1665), 6 states have internal predecessors, (1665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:15,545 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:15,545 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 276 of 385 [2023-11-26 10:50:15,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:15,933 INFO L124 PetriNetUnfolderBase]: 379/1195 cut-off events. [2023-11-26 10:50:15,933 INFO L125 PetriNetUnfolderBase]: For 225/225 co-relation queries the response was YES. [2023-11-26 10:50:15,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1977 conditions, 1195 events. 379/1195 cut-off events. For 225/225 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 6245 event pairs, 202 based on Foata normal form. 0/990 useless extension candidates. Maximal degree in co-relation 1892. Up to 536 conditions per place. [2023-11-26 10:50:15,948 INFO L140 encePairwiseOnDemand]: 373/385 looper letters, 41 selfloop transitions, 10 changer transitions 0/288 dead transitions. [2023-11-26 10:50:15,948 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 288 transitions, 698 flow [2023-11-26 10:50:15,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:50:15,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 10:50:15,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1707 transitions. [2023-11-26 10:50:15,955 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7389610389610389 [2023-11-26 10:50:15,956 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1707 transitions. [2023-11-26 10:50:15,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1707 transitions. [2023-11-26 10:50:15,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:15,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1707 transitions. [2023-11-26 10:50:15,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 284.5) internal successors, (1707), 6 states have internal predecessors, (1707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:15,977 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:15,989 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:15,990 INFO L175 Difference]: Start difference. First operand has 293 places, 290 transitions, 600 flow. Second operand 6 states and 1707 transitions. [2023-11-26 10:50:15,991 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 288 transitions, 698 flow [2023-11-26 10:50:15,994 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 288 transitions, 697 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 10:50:15,999 INFO L231 Difference]: Finished difference. Result has 295 places, 288 transitions, 615 flow [2023-11-26 10:50:16,000 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=595, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=288, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=615, PETRI_PLACES=295, PETRI_TRANSITIONS=288} [2023-11-26 10:50:16,001 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -57 predicate places. [2023-11-26 10:50:16,001 INFO L495 AbstractCegarLoop]: Abstraction has has 295 places, 288 transitions, 615 flow [2023-11-26 10:50:16,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 277.5) internal successors, (1665), 6 states have internal predecessors, (1665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:16,003 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:16,003 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:16,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-26 10:50:16,004 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-26 10:50:16,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:16,004 INFO L85 PathProgramCache]: Analyzing trace with hash -874198845, now seen corresponding path program 1 times [2023-11-26 10:50:16,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:16,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925523583] [2023-11-26 10:50:16,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:16,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:16,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:50:16,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:16,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925523583] [2023-11-26 10:50:16,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925523583] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:16,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:16,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:50:16,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364687505] [2023-11-26 10:50:16,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:16,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:50:16,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:16,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:50:16,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:50:16,076 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 385 [2023-11-26 10:50:16,077 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 288 transitions, 615 flow. Second operand has 3 states, 3 states have (on average 310.3333333333333) internal successors, (931), 3 states have internal predecessors, (931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:16,078 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:16,078 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 385 [2023-11-26 10:50:16,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:16,233 INFO L124 PetriNetUnfolderBase]: 83/647 cut-off events. [2023-11-26 10:50:16,233 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2023-11-26 10:50:16,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 850 conditions, 647 events. 83/647 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2422 event pairs, 38 based on Foata normal form. 0/553 useless extension candidates. Maximal degree in co-relation 815. Up to 123 conditions per place. [2023-11-26 10:50:16,240 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 16 selfloop transitions, 2 changer transitions 0/287 dead transitions. [2023-11-26 10:50:16,240 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 287 transitions, 649 flow [2023-11-26 10:50:16,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:50:16,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:50:16,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 944 transitions. [2023-11-26 10:50:16,244 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8173160173160173 [2023-11-26 10:50:16,244 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 944 transitions. [2023-11-26 10:50:16,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 944 transitions. [2023-11-26 10:50:16,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:16,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 944 transitions. [2023-11-26 10:50:16,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 314.6666666666667) internal successors, (944), 3 states have internal predecessors, (944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:16,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:16,251 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:16,252 INFO L175 Difference]: Start difference. First operand has 295 places, 288 transitions, 615 flow. Second operand 3 states and 944 transitions. [2023-11-26 10:50:16,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 287 transitions, 649 flow [2023-11-26 10:50:16,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 287 transitions, 629 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 10:50:16,260 INFO L231 Difference]: Finished difference. Result has 291 places, 287 transitions, 597 flow [2023-11-26 10:50:16,260 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=593, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=287, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=597, PETRI_PLACES=291, PETRI_TRANSITIONS=287} [2023-11-26 10:50:16,262 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -61 predicate places. [2023-11-26 10:50:16,262 INFO L495 AbstractCegarLoop]: Abstraction has has 291 places, 287 transitions, 597 flow [2023-11-26 10:50:16,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 310.3333333333333) internal successors, (931), 3 states have internal predecessors, (931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:16,263 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:16,263 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:16,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-26 10:50:16,264 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-26 10:50:16,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:16,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1230585006, now seen corresponding path program 1 times [2023-11-26 10:50:16,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:16,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822044624] [2023-11-26 10:50:16,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:16,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:16,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:50:16,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:16,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822044624] [2023-11-26 10:50:16,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822044624] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:16,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:16,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:50:16,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222951680] [2023-11-26 10:50:16,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:16,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:50:16,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:16,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:50:16,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:50:16,333 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 385 [2023-11-26 10:50:16,334 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 287 transitions, 597 flow. Second operand has 3 states, 3 states have (on average 313.0) internal successors, (939), 3 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:16,334 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:16,335 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 385 [2023-11-26 10:50:16,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:16,487 INFO L124 PetriNetUnfolderBase]: 83/646 cut-off events. [2023-11-26 10:50:16,488 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2023-11-26 10:50:16,490 INFO L83 FinitePrefix]: Finished finitePrefix Result has 839 conditions, 646 events. 83/646 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2418 event pairs, 38 based on Foata normal form. 0/553 useless extension candidates. Maximal degree in co-relation 753. Up to 121 conditions per place. [2023-11-26 10:50:16,495 INFO L140 encePairwiseOnDemand]: 383/385 looper letters, 15 selfloop transitions, 1 changer transitions 0/286 dead transitions. [2023-11-26 10:50:16,495 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 286 transitions, 627 flow [2023-11-26 10:50:16,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:50:16,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:50:16,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 951 transitions. [2023-11-26 10:50:16,499 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8233766233766234 [2023-11-26 10:50:16,499 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 951 transitions. [2023-11-26 10:50:16,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 951 transitions. [2023-11-26 10:50:16,500 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:16,500 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 951 transitions. [2023-11-26 10:50:16,503 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 317.0) internal successors, (951), 3 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:16,506 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:16,508 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:16,508 INFO L175 Difference]: Start difference. First operand has 291 places, 287 transitions, 597 flow. Second operand 3 states and 951 transitions. [2023-11-26 10:50:16,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 286 transitions, 627 flow [2023-11-26 10:50:16,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 286 transitions, 623 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:50:16,516 INFO L231 Difference]: Finished difference. Result has 290 places, 286 transitions, 593 flow [2023-11-26 10:50:16,517 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=591, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=286, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=593, PETRI_PLACES=290, PETRI_TRANSITIONS=286} [2023-11-26 10:50:16,518 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -62 predicate places. [2023-11-26 10:50:16,519 INFO L495 AbstractCegarLoop]: Abstraction has has 290 places, 286 transitions, 593 flow [2023-11-26 10:50:16,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.0) internal successors, (939), 3 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:16,519 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:16,520 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:16,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-26 10:50:16,520 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-26 10:50:16,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:16,521 INFO L85 PathProgramCache]: Analyzing trace with hash -762552987, now seen corresponding path program 1 times [2023-11-26 10:50:16,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:16,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840121260] [2023-11-26 10:50:16,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:16,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:16,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:50:16,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:16,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840121260] [2023-11-26 10:50:16,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840121260] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:16,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:16,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:50:16,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917098038] [2023-11-26 10:50:16,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:16,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:50:16,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:16,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:50:16,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:50:16,603 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 385 [2023-11-26 10:50:16,604 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 286 transitions, 593 flow. Second operand has 3 states, 3 states have (on average 310.3333333333333) internal successors, (931), 3 states have internal predecessors, (931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:16,604 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:16,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 385 [2023-11-26 10:50:16,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:16,761 INFO L124 PetriNetUnfolderBase]: 83/645 cut-off events. [2023-11-26 10:50:16,761 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2023-11-26 10:50:16,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 839 conditions, 645 events. 83/645 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2414 event pairs, 38 based on Foata normal form. 0/553 useless extension candidates. Maximal degree in co-relation 753. Up to 123 conditions per place. [2023-11-26 10:50:16,769 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 16 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2023-11-26 10:50:16,769 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 285 transitions, 627 flow [2023-11-26 10:50:16,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:50:16,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:50:16,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 944 transitions. [2023-11-26 10:50:16,773 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8173160173160173 [2023-11-26 10:50:16,773 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 944 transitions. [2023-11-26 10:50:16,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 944 transitions. [2023-11-26 10:50:16,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:16,774 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 944 transitions. [2023-11-26 10:50:16,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 314.6666666666667) internal successors, (944), 3 states have internal predecessors, (944), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:16,780 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:16,781 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:16,781 INFO L175 Difference]: Start difference. First operand has 290 places, 286 transitions, 593 flow. Second operand 3 states and 944 transitions. [2023-11-26 10:50:16,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 285 transitions, 627 flow [2023-11-26 10:50:16,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 285 transitions, 626 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 10:50:16,789 INFO L231 Difference]: Finished difference. Result has 290 places, 285 transitions, 594 flow [2023-11-26 10:50:16,789 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=590, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=285, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=594, PETRI_PLACES=290, PETRI_TRANSITIONS=285} [2023-11-26 10:50:16,790 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -62 predicate places. [2023-11-26 10:50:16,790 INFO L495 AbstractCegarLoop]: Abstraction has has 290 places, 285 transitions, 594 flow [2023-11-26 10:50:16,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 310.3333333333333) internal successors, (931), 3 states have internal predecessors, (931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:16,791 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:16,791 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:16,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-26 10:50:16,792 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-26 10:50:16,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:16,792 INFO L85 PathProgramCache]: Analyzing trace with hash -746810576, now seen corresponding path program 1 times [2023-11-26 10:50:16,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:16,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064422705] [2023-11-26 10:50:16,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:16,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:16,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:50:16,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:16,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064422705] [2023-11-26 10:50:16,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064422705] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:16,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:16,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:50:16,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482992784] [2023-11-26 10:50:16,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:16,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:50:16,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:16,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:50:16,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:50:16,868 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 385 [2023-11-26 10:50:16,869 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 285 transitions, 594 flow. Second operand has 3 states, 3 states have (on average 307.0) internal successors, (921), 3 states have internal predecessors, (921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:16,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:16,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 385 [2023-11-26 10:50:16,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:17,090 INFO L124 PetriNetUnfolderBase]: 112/709 cut-off events. [2023-11-26 10:50:17,091 INFO L125 PetriNetUnfolderBase]: For 81/81 co-relation queries the response was YES. [2023-11-26 10:50:17,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 985 conditions, 709 events. 112/709 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3022 event pairs, 64 based on Foata normal form. 1/623 useless extension candidates. Maximal degree in co-relation 899. Up to 171 conditions per place. [2023-11-26 10:50:17,099 INFO L140 encePairwiseOnDemand]: 381/385 looper letters, 17 selfloop transitions, 1 changer transitions 2/282 dead transitions. [2023-11-26 10:50:17,100 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 282 transitions, 626 flow [2023-11-26 10:50:17,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:50:17,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:50:17,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 938 transitions. [2023-11-26 10:50:17,105 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8121212121212121 [2023-11-26 10:50:17,105 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 938 transitions. [2023-11-26 10:50:17,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 938 transitions. [2023-11-26 10:50:17,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:17,107 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 938 transitions. [2023-11-26 10:50:17,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:17,113 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:17,114 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:17,114 INFO L175 Difference]: Start difference. First operand has 290 places, 285 transitions, 594 flow. Second operand 3 states and 938 transitions. [2023-11-26 10:50:17,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 282 transitions, 626 flow [2023-11-26 10:50:17,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 282 transitions, 622 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:50:17,124 INFO L231 Difference]: Finished difference. Result has 287 places, 280 transitions, 582 flow [2023-11-26 10:50:17,126 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=584, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=582, PETRI_PLACES=287, PETRI_TRANSITIONS=280} [2023-11-26 10:50:17,127 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -65 predicate places. [2023-11-26 10:50:17,127 INFO L495 AbstractCegarLoop]: Abstraction has has 287 places, 280 transitions, 582 flow [2023-11-26 10:50:17,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 307.0) internal successors, (921), 3 states have internal predecessors, (921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:17,128 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:17,128 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:17,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-26 10:50:17,129 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-26 10:50:17,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:17,130 INFO L85 PathProgramCache]: Analyzing trace with hash 240779795, now seen corresponding path program 1 times [2023-11-26 10:50:17,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:17,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256670382] [2023-11-26 10:50:17,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:17,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:17,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:17,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:50:17,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:17,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256670382] [2023-11-26 10:50:17,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256670382] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:17,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:17,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:50:17,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904963069] [2023-11-26 10:50:17,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:17,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:50:17,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:17,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:50:17,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:50:17,260 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 385 [2023-11-26 10:50:17,261 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 280 transitions, 582 flow. Second operand has 3 states, 3 states have (on average 314.0) internal successors, (942), 3 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:17,262 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:17,262 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 385 [2023-11-26 10:50:17,262 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:17,452 INFO L124 PetriNetUnfolderBase]: 158/720 cut-off events. [2023-11-26 10:50:17,452 INFO L125 PetriNetUnfolderBase]: For 87/87 co-relation queries the response was YES. [2023-11-26 10:50:17,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1051 conditions, 720 events. 158/720 cut-off events. For 87/87 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2821 event pairs, 53 based on Foata normal form. 0/636 useless extension candidates. Maximal degree in co-relation 966. Up to 156 conditions per place. [2023-11-26 10:50:17,460 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 20 selfloop transitions, 2 changer transitions 0/285 dead transitions. [2023-11-26 10:50:17,460 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 285 transitions, 642 flow [2023-11-26 10:50:17,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:50:17,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:50:17,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 956 transitions. [2023-11-26 10:50:17,464 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8277056277056277 [2023-11-26 10:50:17,465 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 956 transitions. [2023-11-26 10:50:17,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 956 transitions. [2023-11-26 10:50:17,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:17,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 956 transitions. [2023-11-26 10:50:17,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 318.6666666666667) internal successors, (956), 3 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:17,472 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:17,472 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:17,473 INFO L175 Difference]: Start difference. First operand has 287 places, 280 transitions, 582 flow. Second operand 3 states and 956 transitions. [2023-11-26 10:50:17,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 285 transitions, 642 flow [2023-11-26 10:50:17,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 285 transitions, 641 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 10:50:17,481 INFO L231 Difference]: Finished difference. Result has 285 places, 279 transitions, 583 flow [2023-11-26 10:50:17,482 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=579, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=583, PETRI_PLACES=285, PETRI_TRANSITIONS=279} [2023-11-26 10:50:17,482 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -67 predicate places. [2023-11-26 10:50:17,483 INFO L495 AbstractCegarLoop]: Abstraction has has 285 places, 279 transitions, 583 flow [2023-11-26 10:50:17,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.0) internal successors, (942), 3 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:17,484 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:17,484 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:17,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-26 10:50:17,484 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-26 10:50:17,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:17,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1906960534, now seen corresponding path program 1 times [2023-11-26 10:50:17,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:17,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314320275] [2023-11-26 10:50:17,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:17,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:17,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:50:17,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:17,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314320275] [2023-11-26 10:50:17,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314320275] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:17,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:17,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:50:17,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070405380] [2023-11-26 10:50:17,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:17,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:50:17,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:17,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:50:17,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:50:17,601 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 310 out of 385 [2023-11-26 10:50:17,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 279 transitions, 583 flow. Second operand has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:17,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:17,603 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 310 of 385 [2023-11-26 10:50:17,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:17,826 INFO L124 PetriNetUnfolderBase]: 208/788 cut-off events. [2023-11-26 10:50:17,826 INFO L125 PetriNetUnfolderBase]: For 109/109 co-relation queries the response was YES. [2023-11-26 10:50:17,829 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1235 conditions, 788 events. 208/788 cut-off events. For 109/109 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 3261 event pairs, 83 based on Foata normal form. 0/704 useless extension candidates. Maximal degree in co-relation 1150. Up to 228 conditions per place. [2023-11-26 10:50:17,838 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 22 selfloop transitions, 2 changer transitions 0/284 dead transitions. [2023-11-26 10:50:17,838 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 284 transitions, 647 flow [2023-11-26 10:50:17,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:50:17,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:50:17,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 952 transitions. [2023-11-26 10:50:17,842 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8242424242424242 [2023-11-26 10:50:17,842 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 952 transitions. [2023-11-26 10:50:17,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 952 transitions. [2023-11-26 10:50:17,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:17,843 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 952 transitions. [2023-11-26 10:50:17,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:17,849 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:17,849 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:17,850 INFO L175 Difference]: Start difference. First operand has 285 places, 279 transitions, 583 flow. Second operand 3 states and 952 transitions. [2023-11-26 10:50:17,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 284 transitions, 647 flow [2023-11-26 10:50:17,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 284 transitions, 643 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:50:17,858 INFO L231 Difference]: Finished difference. Result has 284 places, 278 transitions, 581 flow [2023-11-26 10:50:17,858 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=577, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=581, PETRI_PLACES=284, PETRI_TRANSITIONS=278} [2023-11-26 10:50:17,859 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -68 predicate places. [2023-11-26 10:50:17,859 INFO L495 AbstractCegarLoop]: Abstraction has has 284 places, 278 transitions, 581 flow [2023-11-26 10:50:17,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:17,860 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:17,860 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:17,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-26 10:50:17,860 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-26 10:50:17,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:17,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1342974429, now seen corresponding path program 1 times [2023-11-26 10:50:17,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:17,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141132714] [2023-11-26 10:50:17,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:17,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:17,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:50:17,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:17,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141132714] [2023-11-26 10:50:17,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141132714] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:17,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:17,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:50:17,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511304491] [2023-11-26 10:50:17,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:17,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:50:17,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:17,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:50:17,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:50:17,953 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 385 [2023-11-26 10:50:17,955 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 278 transitions, 581 flow. Second operand has 3 states, 3 states have (on average 311.0) internal successors, (933), 3 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:17,955 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:17,955 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 385 [2023-11-26 10:50:17,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:18,177 INFO L124 PetriNetUnfolderBase]: 167/816 cut-off events. [2023-11-26 10:50:18,177 INFO L125 PetriNetUnfolderBase]: For 93/93 co-relation queries the response was YES. [2023-11-26 10:50:18,181 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1174 conditions, 816 events. 167/816 cut-off events. For 93/93 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 3720 event pairs, 56 based on Foata normal form. 1/730 useless extension candidates. Maximal degree in co-relation 1089. Up to 161 conditions per place. [2023-11-26 10:50:18,186 INFO L140 encePairwiseOnDemand]: 380/385 looper letters, 20 selfloop transitions, 2 changer transitions 3/283 dead transitions. [2023-11-26 10:50:18,186 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 283 transitions, 645 flow [2023-11-26 10:50:18,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:50:18,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:50:18,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 950 transitions. [2023-11-26 10:50:18,190 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8225108225108225 [2023-11-26 10:50:18,190 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 950 transitions. [2023-11-26 10:50:18,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 950 transitions. [2023-11-26 10:50:18,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:18,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 950 transitions. [2023-11-26 10:50:18,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 316.6666666666667) internal successors, (950), 3 states have internal predecessors, (950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:18,197 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:18,198 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:18,198 INFO L175 Difference]: Start difference. First operand has 284 places, 278 transitions, 581 flow. Second operand 3 states and 950 transitions. [2023-11-26 10:50:18,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 283 transitions, 645 flow [2023-11-26 10:50:18,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 283 transitions, 641 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:50:18,207 INFO L231 Difference]: Finished difference. Result has 282 places, 273 transitions, 570 flow [2023-11-26 10:50:18,208 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=573, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=570, PETRI_PLACES=282, PETRI_TRANSITIONS=273} [2023-11-26 10:50:18,208 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -70 predicate places. [2023-11-26 10:50:18,209 INFO L495 AbstractCegarLoop]: Abstraction has has 282 places, 273 transitions, 570 flow [2023-11-26 10:50:18,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 311.0) internal successors, (933), 3 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:18,209 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:18,210 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:18,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-26 10:50:18,210 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-26 10:50:18,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:18,211 INFO L85 PathProgramCache]: Analyzing trace with hash 839738480, now seen corresponding path program 1 times [2023-11-26 10:50:18,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:18,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954543663] [2023-11-26 10:50:18,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:18,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:19,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:50:19,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:19,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954543663] [2023-11-26 10:50:19,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954543663] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:19,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:19,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:50:19,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104634779] [2023-11-26 10:50:19,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:19,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:50:19,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:19,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:50:19,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:50:19,282 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 385 [2023-11-26 10:50:19,284 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 273 transitions, 570 flow. Second operand has 6 states, 6 states have (on average 299.6666666666667) internal successors, (1798), 6 states have internal predecessors, (1798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:19,285 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:19,285 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 385 [2023-11-26 10:50:19,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:19,834 INFO L124 PetriNetUnfolderBase]: 383/968 cut-off events. [2023-11-26 10:50:19,834 INFO L125 PetriNetUnfolderBase]: For 200/200 co-relation queries the response was YES. [2023-11-26 10:50:19,839 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1711 conditions, 968 events. 383/968 cut-off events. For 200/200 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 3916 event pairs, 30 based on Foata normal form. 0/906 useless extension candidates. Maximal degree in co-relation 1624. Up to 178 conditions per place. [2023-11-26 10:50:19,846 INFO L140 encePairwiseOnDemand]: 380/385 looper letters, 51 selfloop transitions, 4 changer transitions 0/300 dead transitions. [2023-11-26 10:50:19,846 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 300 transitions, 766 flow [2023-11-26 10:50:19,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:50:19,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 10:50:19,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1834 transitions. [2023-11-26 10:50:19,853 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.793939393939394 [2023-11-26 10:50:19,853 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1834 transitions. [2023-11-26 10:50:19,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1834 transitions. [2023-11-26 10:50:19,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:19,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1834 transitions. [2023-11-26 10:50:19,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 305.6666666666667) internal successors, (1834), 6 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:19,867 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:19,869 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:19,869 INFO L175 Difference]: Start difference. First operand has 282 places, 273 transitions, 570 flow. Second operand 6 states and 1834 transitions. [2023-11-26 10:50:19,869 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 300 transitions, 766 flow [2023-11-26 10:50:19,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 300 transitions, 762 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:50:19,877 INFO L231 Difference]: Finished difference. Result has 281 places, 272 transitions, 572 flow [2023-11-26 10:50:19,878 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=572, PETRI_PLACES=281, PETRI_TRANSITIONS=272} [2023-11-26 10:50:19,879 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -71 predicate places. [2023-11-26 10:50:19,879 INFO L495 AbstractCegarLoop]: Abstraction has has 281 places, 272 transitions, 572 flow [2023-11-26 10:50:19,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 299.6666666666667) internal successors, (1798), 6 states have internal predecessors, (1798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:19,880 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:19,880 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:19,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-26 10:50:19,881 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread3Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-26 10:50:19,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:19,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1155745120, now seen corresponding path program 1 times [2023-11-26 10:50:19,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:19,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958374467] [2023-11-26 10:50:19,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:19,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:19,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:19,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:50:19,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:19,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958374467] [2023-11-26 10:50:19,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958374467] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:19,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:19,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:50:19,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704338122] [2023-11-26 10:50:19,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:19,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:50:19,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:19,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:50:19,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:50:19,977 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 309 out of 385 [2023-11-26 10:50:19,978 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 272 transitions, 572 flow. Second operand has 3 states, 3 states have (on average 311.6666666666667) internal successors, (935), 3 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:19,979 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:19,979 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 309 of 385 [2023-11-26 10:50:19,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:20,242 INFO L124 PetriNetUnfolderBase]: 223/830 cut-off events. [2023-11-26 10:50:20,242 INFO L125 PetriNetUnfolderBase]: For 116/116 co-relation queries the response was YES. [2023-11-26 10:50:20,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1272 conditions, 830 events. 223/830 cut-off events. For 116/116 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 3787 event pairs, 92 based on Foata normal form. 0/751 useless extension candidates. Maximal degree in co-relation 1187. Up to 242 conditions per place. [2023-11-26 10:50:20,254 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 22 selfloop transitions, 2 changer transitions 0/278 dead transitions. [2023-11-26 10:50:20,255 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 278 transitions, 638 flow [2023-11-26 10:50:20,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:50:20,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:50:20,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 949 transitions. [2023-11-26 10:50:20,260 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8216450216450216 [2023-11-26 10:50:20,260 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 949 transitions. [2023-11-26 10:50:20,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 949 transitions. [2023-11-26 10:50:20,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:20,262 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 949 transitions. [2023-11-26 10:50:20,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 316.3333333333333) internal successors, (949), 3 states have internal predecessors, (949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:20,269 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:20,270 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 385.0) internal successors, (1540), 4 states have internal predecessors, (1540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:20,270 INFO L175 Difference]: Start difference. First operand has 281 places, 272 transitions, 572 flow. Second operand 3 states and 949 transitions. [2023-11-26 10:50:20,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 278 transitions, 638 flow [2023-11-26 10:50:20,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 278 transitions, 631 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 10:50:20,280 INFO L231 Difference]: Finished difference. Result has 278 places, 271 transitions, 567 flow [2023-11-26 10:50:20,280 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=563, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=567, PETRI_PLACES=278, PETRI_TRANSITIONS=271} [2023-11-26 10:50:20,281 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -74 predicate places. [2023-11-26 10:50:20,281 INFO L495 AbstractCegarLoop]: Abstraction has has 278 places, 271 transitions, 567 flow [2023-11-26 10:50:20,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 311.6666666666667) internal successors, (935), 3 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:20,282 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:20,282 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:20,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-26 10:50:20,283 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-26 10:50:20,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:20,284 INFO L85 PathProgramCache]: Analyzing trace with hash -168312143, now seen corresponding path program 1 times [2023-11-26 10:50:20,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:20,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910768543] [2023-11-26 10:50:20,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:20,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:21,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:50:21,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:21,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910768543] [2023-11-26 10:50:21,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910768543] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:21,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:21,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:50:21,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691336232] [2023-11-26 10:50:21,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:21,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:50:21,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:21,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:50:21,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:50:21,441 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 385 [2023-11-26 10:50:21,443 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 271 transitions, 567 flow. Second operand has 6 states, 6 states have (on average 300.0) internal successors, (1800), 6 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:21,443 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:21,443 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 385 [2023-11-26 10:50:21,443 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:21,740 INFO L124 PetriNetUnfolderBase]: 143/678 cut-off events. [2023-11-26 10:50:21,741 INFO L125 PetriNetUnfolderBase]: For 105/114 co-relation queries the response was YES. [2023-11-26 10:50:21,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1029 conditions, 678 events. 143/678 cut-off events. For 105/114 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2454 event pairs, 37 based on Foata normal form. 4/627 useless extension candidates. Maximal degree in co-relation 942. Up to 125 conditions per place. [2023-11-26 10:50:21,747 INFO L140 encePairwiseOnDemand]: 380/385 looper letters, 43 selfloop transitions, 4 changer transitions 0/290 dead transitions. [2023-11-26 10:50:21,747 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 290 transitions, 731 flow [2023-11-26 10:50:21,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:50:21,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 10:50:21,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1826 transitions. [2023-11-26 10:50:21,754 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7904761904761904 [2023-11-26 10:50:21,754 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1826 transitions. [2023-11-26 10:50:21,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1826 transitions. [2023-11-26 10:50:21,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:21,756 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1826 transitions. [2023-11-26 10:50:21,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 304.3333333333333) internal successors, (1826), 6 states have internal predecessors, (1826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:21,766 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:21,767 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:21,768 INFO L175 Difference]: Start difference. First operand has 278 places, 271 transitions, 567 flow. Second operand 6 states and 1826 transitions. [2023-11-26 10:50:21,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 290 transitions, 731 flow [2023-11-26 10:50:21,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 290 transitions, 727 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 10:50:21,775 INFO L231 Difference]: Finished difference. Result has 280 places, 270 transitions, 569 flow [2023-11-26 10:50:21,776 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=561, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=569, PETRI_PLACES=280, PETRI_TRANSITIONS=270} [2023-11-26 10:50:21,776 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -72 predicate places. [2023-11-26 10:50:21,777 INFO L495 AbstractCegarLoop]: Abstraction has has 280 places, 270 transitions, 569 flow [2023-11-26 10:50:21,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 300.0) internal successors, (1800), 6 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:21,778 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:50:21,778 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:21,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-26 10:50:21,778 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err11ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2023-11-26 10:50:21,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:50:21,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1171582284, now seen corresponding path program 1 times [2023-11-26 10:50:21,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:50:21,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391934873] [2023-11-26 10:50:21,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:50:21,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:50:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:50:22,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:50:22,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:50:22,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391934873] [2023-11-26 10:50:22,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391934873] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:50:22,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:50:22,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:50:22,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541028781] [2023-11-26 10:50:22,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:50:22,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:50:22,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:50:22,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:50:22,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:50:22,850 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 298 out of 385 [2023-11-26 10:50:22,852 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 270 transitions, 569 flow. Second operand has 6 states, 6 states have (on average 300.5) internal successors, (1803), 6 states have internal predecessors, (1803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:22,852 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:50:22,852 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 298 of 385 [2023-11-26 10:50:22,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:50:23,047 INFO L124 PetriNetUnfolderBase]: 93/611 cut-off events. [2023-11-26 10:50:23,048 INFO L125 PetriNetUnfolderBase]: For 66/66 co-relation queries the response was YES. [2023-11-26 10:50:23,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 846 conditions, 611 events. 93/611 cut-off events. For 66/66 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2130 event pairs, 38 based on Foata normal form. 0/561 useless extension candidates. Maximal degree in co-relation 759. Up to 129 conditions per place. [2023-11-26 10:50:23,051 INFO L140 encePairwiseOnDemand]: 380/385 looper letters, 0 selfloop transitions, 0 changer transitions 277/277 dead transitions. [2023-11-26 10:50:23,051 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 277 transitions, 669 flow [2023-11-26 10:50:23,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 10:50:23,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 10:50:23,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1818 transitions. [2023-11-26 10:50:23,057 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.787012987012987 [2023-11-26 10:50:23,058 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1818 transitions. [2023-11-26 10:50:23,058 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1818 transitions. [2023-11-26 10:50:23,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:50:23,059 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1818 transitions. [2023-11-26 10:50:23,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 303.0) internal successors, (1818), 6 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:23,069 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:23,070 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 385.0) internal successors, (2695), 7 states have internal predecessors, (2695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:23,071 INFO L175 Difference]: Start difference. First operand has 280 places, 270 transitions, 569 flow. Second operand 6 states and 1818 transitions. [2023-11-26 10:50:23,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 277 transitions, 669 flow [2023-11-26 10:50:23,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 277 transitions, 662 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 10:50:23,076 INFO L231 Difference]: Finished difference. Result has 280 places, 0 transitions, 0 flow [2023-11-26 10:50:23,076 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=560, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=269, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=280, PETRI_TRANSITIONS=0} [2023-11-26 10:50:23,077 INFO L281 CegarLoopForPetriNet]: 352 programPoint places, -72 predicate places. [2023-11-26 10:50:23,077 INFO L495 AbstractCegarLoop]: Abstraction has has 280 places, 0 transitions, 0 flow [2023-11-26 10:50:23,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 300.5) internal successors, (1803), 6 states have internal predecessors, (1803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:50:23,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (121 of 122 remaining) [2023-11-26 10:50:23,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (120 of 122 remaining) [2023-11-26 10:50:23,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (119 of 122 remaining) [2023-11-26 10:50:23,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (118 of 122 remaining) [2023-11-26 10:50:23,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (117 of 122 remaining) [2023-11-26 10:50:23,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (116 of 122 remaining) [2023-11-26 10:50:23,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (115 of 122 remaining) [2023-11-26 10:50:23,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (114 of 122 remaining) [2023-11-26 10:50:23,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (113 of 122 remaining) [2023-11-26 10:50:23,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (112 of 122 remaining) [2023-11-26 10:50:23,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (111 of 122 remaining) [2023-11-26 10:50:23,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (110 of 122 remaining) [2023-11-26 10:50:23,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (109 of 122 remaining) [2023-11-26 10:50:23,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (108 of 122 remaining) [2023-11-26 10:50:23,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (107 of 122 remaining) [2023-11-26 10:50:23,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (106 of 122 remaining) [2023-11-26 10:50:23,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (105 of 122 remaining) [2023-11-26 10:50:23,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (104 of 122 remaining) [2023-11-26 10:50:23,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (103 of 122 remaining) [2023-11-26 10:50:23,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (102 of 122 remaining) [2023-11-26 10:50:23,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (101 of 122 remaining) [2023-11-26 10:50:23,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (100 of 122 remaining) [2023-11-26 10:50:23,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (99 of 122 remaining) [2023-11-26 10:50:23,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (98 of 122 remaining) [2023-11-26 10:50:23,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (97 of 122 remaining) [2023-11-26 10:50:23,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (96 of 122 remaining) [2023-11-26 10:50:23,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (95 of 122 remaining) [2023-11-26 10:50:23,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (94 of 122 remaining) [2023-11-26 10:50:23,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (93 of 122 remaining) [2023-11-26 10:50:23,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (92 of 122 remaining) [2023-11-26 10:50:23,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (91 of 122 remaining) [2023-11-26 10:50:23,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (90 of 122 remaining) [2023-11-26 10:50:23,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (89 of 122 remaining) [2023-11-26 10:50:23,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (88 of 122 remaining) [2023-11-26 10:50:23,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (87 of 122 remaining) [2023-11-26 10:50:23,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (86 of 122 remaining) [2023-11-26 10:50:23,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (85 of 122 remaining) [2023-11-26 10:50:23,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (84 of 122 remaining) [2023-11-26 10:50:23,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (83 of 122 remaining) [2023-11-26 10:50:23,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (82 of 122 remaining) [2023-11-26 10:50:23,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (81 of 122 remaining) [2023-11-26 10:50:23,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (80 of 122 remaining) [2023-11-26 10:50:23,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (79 of 122 remaining) [2023-11-26 10:50:23,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (78 of 122 remaining) [2023-11-26 10:50:23,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (77 of 122 remaining) [2023-11-26 10:50:23,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (76 of 122 remaining) [2023-11-26 10:50:23,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (75 of 122 remaining) [2023-11-26 10:50:23,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (74 of 122 remaining) [2023-11-26 10:50:23,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (73 of 122 remaining) [2023-11-26 10:50:23,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (72 of 122 remaining) [2023-11-26 10:50:23,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (71 of 122 remaining) [2023-11-26 10:50:23,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (70 of 122 remaining) [2023-11-26 10:50:23,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (69 of 122 remaining) [2023-11-26 10:50:23,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (68 of 122 remaining) [2023-11-26 10:50:23,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (67 of 122 remaining) [2023-11-26 10:50:23,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (66 of 122 remaining) [2023-11-26 10:50:23,092 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (65 of 122 remaining) [2023-11-26 10:50:23,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (64 of 122 remaining) [2023-11-26 10:50:23,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (63 of 122 remaining) [2023-11-26 10:50:23,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (62 of 122 remaining) [2023-11-26 10:50:23,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (61 of 122 remaining) [2023-11-26 10:50:23,093 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (60 of 122 remaining) [2023-11-26 10:50:23,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (59 of 122 remaining) [2023-11-26 10:50:23,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (58 of 122 remaining) [2023-11-26 10:50:23,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (57 of 122 remaining) [2023-11-26 10:50:23,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (56 of 122 remaining) [2023-11-26 10:50:23,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (55 of 122 remaining) [2023-11-26 10:50:23,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (54 of 122 remaining) [2023-11-26 10:50:23,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (53 of 122 remaining) [2023-11-26 10:50:23,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (52 of 122 remaining) [2023-11-26 10:50:23,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 122 remaining) [2023-11-26 10:50:23,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 122 remaining) [2023-11-26 10:50:23,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 122 remaining) [2023-11-26 10:50:23,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (48 of 122 remaining) [2023-11-26 10:50:23,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (47 of 122 remaining) [2023-11-26 10:50:23,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (46 of 122 remaining) [2023-11-26 10:50:23,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (45 of 122 remaining) [2023-11-26 10:50:23,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (44 of 122 remaining) [2023-11-26 10:50:23,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (43 of 122 remaining) [2023-11-26 10:50:23,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (42 of 122 remaining) [2023-11-26 10:50:23,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (41 of 122 remaining) [2023-11-26 10:50:23,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (40 of 122 remaining) [2023-11-26 10:50:23,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (39 of 122 remaining) [2023-11-26 10:50:23,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (38 of 122 remaining) [2023-11-26 10:50:23,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (37 of 122 remaining) [2023-11-26 10:50:23,098 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (36 of 122 remaining) [2023-11-26 10:50:23,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (35 of 122 remaining) [2023-11-26 10:50:23,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (34 of 122 remaining) [2023-11-26 10:50:23,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (33 of 122 remaining) [2023-11-26 10:50:23,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (32 of 122 remaining) [2023-11-26 10:50:23,099 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (31 of 122 remaining) [2023-11-26 10:50:23,100 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (30 of 122 remaining) [2023-11-26 10:50:23,100 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (29 of 122 remaining) [2023-11-26 10:50:23,100 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (28 of 122 remaining) [2023-11-26 10:50:23,100 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (27 of 122 remaining) [2023-11-26 10:50:23,100 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (26 of 122 remaining) [2023-11-26 10:50:23,101 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (25 of 122 remaining) [2023-11-26 10:50:23,101 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (24 of 122 remaining) [2023-11-26 10:50:23,101 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (23 of 122 remaining) [2023-11-26 10:50:23,101 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (22 of 122 remaining) [2023-11-26 10:50:23,101 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (21 of 122 remaining) [2023-11-26 10:50:23,102 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (20 of 122 remaining) [2023-11-26 10:50:23,102 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (19 of 122 remaining) [2023-11-26 10:50:23,102 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (18 of 122 remaining) [2023-11-26 10:50:23,102 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (17 of 122 remaining) [2023-11-26 10:50:23,102 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (16 of 122 remaining) [2023-11-26 10:50:23,102 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (15 of 122 remaining) [2023-11-26 10:50:23,103 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (14 of 122 remaining) [2023-11-26 10:50:23,103 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (13 of 122 remaining) [2023-11-26 10:50:23,103 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (12 of 122 remaining) [2023-11-26 10:50:23,103 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (11 of 122 remaining) [2023-11-26 10:50:23,103 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (10 of 122 remaining) [2023-11-26 10:50:23,104 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (9 of 122 remaining) [2023-11-26 10:50:23,104 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (8 of 122 remaining) [2023-11-26 10:50:23,104 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (7 of 122 remaining) [2023-11-26 10:50:23,104 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (6 of 122 remaining) [2023-11-26 10:50:23,105 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (5 of 122 remaining) [2023-11-26 10:50:23,105 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (4 of 122 remaining) [2023-11-26 10:50:23,105 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (3 of 122 remaining) [2023-11-26 10:50:23,105 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (2 of 122 remaining) [2023-11-26 10:50:23,105 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (1 of 122 remaining) [2023-11-26 10:50:23,105 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (0 of 122 remaining) [2023-11-26 10:50:23,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-26 10:50:23,106 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:50:23,113 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 10:50:23,113 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:50:23,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:50:23 BasicIcfg [2023-11-26 10:50:23,119 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:50:23,120 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:50:23,120 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:50:23,120 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:50:23,121 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:50:10" (3/4) ... [2023-11-26 10:50:23,122 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 10:50:23,125 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-26 10:50:23,126 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-26 10:50:23,126 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-26 10:50:23,134 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-26 10:50:23,135 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-26 10:50:23,135 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 10:50:23,136 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 10:50:23,242 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c3783c-efe8-4080-8241-a61744cbb915/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:50:23,242 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c3783c-efe8-4080-8241-a61744cbb915/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 10:50:23,242 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:50:23,243 INFO L158 Benchmark]: Toolchain (without parser) took 15224.70ms. Allocated memory was 174.1MB in the beginning and 415.2MB in the end (delta: 241.2MB). Free memory was 138.4MB in the beginning and 314.4MB in the end (delta: -176.1MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. [2023-11-26 10:50:23,243 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:50:23,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.32ms. Allocated memory is still 174.1MB. Free memory was 138.4MB in the beginning and 124.8MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 10:50:23,244 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.07ms. Allocated memory is still 174.1MB. Free memory was 124.8MB in the beginning and 121.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:50:23,245 INFO L158 Benchmark]: Boogie Preprocessor took 62.90ms. Allocated memory is still 174.1MB. Free memory was 121.1MB in the beginning and 117.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:50:23,245 INFO L158 Benchmark]: RCFGBuilder took 1786.08ms. Allocated memory is still 174.1MB. Free memory was 117.4MB in the beginning and 129.7MB in the end (delta: -12.3MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. [2023-11-26 10:50:23,246 INFO L158 Benchmark]: TraceAbstraction took 12811.44ms. Allocated memory was 174.1MB in the beginning and 415.2MB in the end (delta: 241.2MB). Free memory was 128.7MB in the beginning and 321.8MB in the end (delta: -193.1MB). Peak memory consumption was 242.1MB. Max. memory is 16.1GB. [2023-11-26 10:50:23,246 INFO L158 Benchmark]: Witness Printer took 122.52ms. Allocated memory is still 415.2MB. Free memory was 320.7MB in the beginning and 314.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 10:50:23,248 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.32ms. Allocated memory is still 174.1MB. Free memory was 138.4MB in the beginning and 124.8MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.07ms. Allocated memory is still 174.1MB. Free memory was 124.8MB in the beginning and 121.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.90ms. Allocated memory is still 174.1MB. Free memory was 121.1MB in the beginning and 117.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1786.08ms. Allocated memory is still 174.1MB. Free memory was 117.4MB in the beginning and 129.7MB in the end (delta: -12.3MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. * TraceAbstraction took 12811.44ms. Allocated memory was 174.1MB in the beginning and 415.2MB in the end (delta: 241.2MB). Free memory was 128.7MB in the beginning and 321.8MB in the end (delta: -193.1MB). Peak memory consumption was 242.1MB. Max. memory is 16.1GB. * Witness Printer took 122.52ms. Allocated memory is still 415.2MB. Free memory was 320.7MB in the beginning and 314.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: 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: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: 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: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: 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: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 113]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 122]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 123]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: 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, 465 locations, 122 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: 12.6s, OverallIterations: 22, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 621 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 345 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 215 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1326 IncrementalHoareTripleChecker+Invalid, 1541 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 215 mSolverCounterUnsat, 35 mSDtfsCounter, 1326 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=736occurred in iteration=0, InterpolantAutomatonStates: 78, 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, 0.3s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 2462 NumberOfCodeBlocks, 2462 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 2440 ConstructedInterpolants, 0 QuantifiedInterpolants, 2834 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 22 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 70 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 10:50:23,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46c3783c-efe8-4080-8241-a61744cbb915/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE