./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-word-symm.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_7d413fce-c494-4ee2-aeb5-bef1d1d4fd37/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d413fce-c494-4ee2-aeb5-bef1d1d4fd37/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_7d413fce-c494-4ee2-aeb5-bef1d1d4fd37/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d413fce-c494-4ee2-aeb5-bef1d1d4fd37/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-word-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d413fce-c494-4ee2-aeb5-bef1d1d4fd37/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_7d413fce-c494-4ee2-aeb5-bef1d1d4fd37/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 bf81f7b3bd1ceac2bf46c7c37f69effc0af9de17b18c7565156301fb49a6164e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:05:05,123 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:05:05,235 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d413fce-c494-4ee2-aeb5-bef1d1d4fd37/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 12:05:05,246 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:05:05,248 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:05:05,286 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:05:05,289 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:05:05,290 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:05:05,292 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:05:05,297 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:05:05,298 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:05:05,299 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:05:05,299 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:05:05,301 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:05:05,301 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:05:05,302 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:05:05,302 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:05:05,302 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:05:05,303 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:05:05,303 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:05:05,304 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:05:05,304 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:05:05,305 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 12:05:05,305 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 12:05:05,306 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:05:05,306 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:05:05,306 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:05:05,307 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:05:05,308 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:05:05,308 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:05:05,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:05:05,310 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:05:05,310 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:05:05,310 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:05:05,310 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:05:05,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:05:05,311 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:05:05,311 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:05:05,312 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:05:05,312 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:05:05,312 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:05:05,313 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_7d413fce-c494-4ee2-aeb5-bef1d1d4fd37/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d413fce-c494-4ee2-aeb5-bef1d1d4fd37/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf81f7b3bd1ceac2bf46c7c37f69effc0af9de17b18c7565156301fb49a6164e [2023-11-26 12:05:05,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:05:05,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:05:05,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:05:05,689 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:05:05,689 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:05:05,691 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d413fce-c494-4ee2-aeb5-bef1d1d4fd37/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/weaver/chl-word-symm.wvr.c [2023-11-26 12:05:08,745 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:05:09,078 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:05:09,079 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d413fce-c494-4ee2-aeb5-bef1d1d4fd37/sv-benchmarks/c/weaver/chl-word-symm.wvr.c [2023-11-26 12:05:09,091 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d413fce-c494-4ee2-aeb5-bef1d1d4fd37/bin/uautomizer-verify-VRDe98Ueme/data/bc68d7335/a790c83b55324d1d9dad0a9d0619cba8/FLAG637a090ac [2023-11-26 12:05:09,108 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d413fce-c494-4ee2-aeb5-bef1d1d4fd37/bin/uautomizer-verify-VRDe98Ueme/data/bc68d7335/a790c83b55324d1d9dad0a9d0619cba8 [2023-11-26 12:05:09,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:05:09,117 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:05:09,120 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:05:09,120 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:05:09,126 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:05:09,129 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:05:09" (1/1) ... [2023-11-26 12:05:09,130 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66c12ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:09, skipping insertion in model container [2023-11-26 12:05:09,130 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:05:09" (1/1) ... [2023-11-26 12:05:09,165 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:05:09,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:05:09,545 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:05:09,619 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:05:09,637 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:05:09,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:09 WrapperNode [2023-11-26 12:05:09,638 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:05:09,639 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:05:09,640 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:05:09,640 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:05:09,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:09" (1/1) ... [2023-11-26 12:05:09,681 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:09" (1/1) ... [2023-11-26 12:05:09,732 INFO L138 Inliner]: procedures = 24, calls = 36, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 213 [2023-11-26 12:05:09,733 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:05:09,734 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:05:09,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:05:09,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:05:09,745 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:09" (1/1) ... [2023-11-26 12:05:09,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:09" (1/1) ... [2023-11-26 12:05:09,751 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:09" (1/1) ... [2023-11-26 12:05:09,751 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:09" (1/1) ... [2023-11-26 12:05:09,770 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:09" (1/1) ... [2023-11-26 12:05:09,776 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:09" (1/1) ... [2023-11-26 12:05:09,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:09" (1/1) ... [2023-11-26 12:05:09,782 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:09" (1/1) ... [2023-11-26 12:05:09,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:05:09,789 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:05:09,789 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:05:09,789 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:05:09,790 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:09" (1/1) ... [2023-11-26 12:05:09,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:05:09,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d413fce-c494-4ee2-aeb5-bef1d1d4fd37/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:09,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d413fce-c494-4ee2-aeb5-bef1d1d4fd37/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:05:09,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d413fce-c494-4ee2-aeb5-bef1d1d4fd37/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:05:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:05:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-26 12:05:09,878 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-26 12:05:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-26 12:05:09,879 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-26 12:05:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 12:05:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 12:05:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 12:05:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 12:05:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:05:09,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:05:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 12:05:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 12:05:09,883 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 12:05:10,027 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:05:10,029 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:05:10,999 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:05:11,036 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:05:11,036 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-26 12:05:11,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:05:11 BoogieIcfgContainer [2023-11-26 12:05:11,042 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:05:11,046 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:05:11,046 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:05:11,051 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:05:11,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:05:09" (1/3) ... [2023-11-26 12:05:11,053 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1181266c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:05:11, skipping insertion in model container [2023-11-26 12:05:11,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:09" (2/3) ... [2023-11-26 12:05:11,055 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1181266c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:05:11, skipping insertion in model container [2023-11-26 12:05:11,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:05:11" (3/3) ... [2023-11-26 12:05:11,057 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-word-symm.wvr.c [2023-11-26 12:05:11,069 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 12:05:11,081 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:05:11,082 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2023-11-26 12:05:11,082 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 12:05:11,294 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-26 12:05:11,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 476 places, 495 transitions, 1004 flow [2023-11-26 12:05:11,641 INFO L124 PetriNetUnfolderBase]: 26/493 cut-off events. [2023-11-26 12:05:11,642 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-26 12:05:11,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 502 conditions, 493 events. 26/493 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1066 event pairs, 0 based on Foata normal form. 0/411 useless extension candidates. Maximal degree in co-relation 292. Up to 3 conditions per place. [2023-11-26 12:05:11,659 INFO L82 GeneralOperation]: Start removeDead. Operand has 476 places, 495 transitions, 1004 flow [2023-11-26 12:05:11,677 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 452 places, 469 transitions, 950 flow [2023-11-26 12:05:11,694 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:05:11,707 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;@1771afe0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:05:11,707 INFO L358 AbstractCegarLoop]: Starting to check reachability of 96 error locations. [2023-11-26 12:05:11,716 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 12:05:11,716 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2023-11-26 12:05:11,717 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 12:05:11,717 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:11,718 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] [2023-11-26 12:05:11,718 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:11,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:11,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1853403827, now seen corresponding path program 1 times [2023-11-26 12:05:11,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:11,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023453588] [2023-11-26 12:05:11,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:11,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:12,001 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 12:05:12,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:12,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023453588] [2023-11-26 12:05:12,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023453588] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:12,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:12,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:12,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068762213] [2023-11-26 12:05:12,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:12,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:12,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:12,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:12,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:12,193 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 468 out of 495 [2023-11-26 12:05:12,199 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 469 transitions, 950 flow. Second operand has 3 states, 3 states have (on average 469.3333333333333) internal successors, (1408), 3 states have internal predecessors, (1408), 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 12:05:12,199 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:12,200 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 468 of 495 [2023-11-26 12:05:12,201 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:12,461 INFO L124 PetriNetUnfolderBase]: 37/814 cut-off events. [2023-11-26 12:05:12,461 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2023-11-26 12:05:12,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 859 conditions, 814 events. 37/814 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3551 event pairs, 8 based on Foata normal form. 15/678 useless extension candidates. Maximal degree in co-relation 598. Up to 28 conditions per place. [2023-11-26 12:05:12,475 INFO L140 encePairwiseOnDemand]: 482/495 looper letters, 11 selfloop transitions, 2 changer transitions 6/458 dead transitions. [2023-11-26 12:05:12,476 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 458 transitions, 954 flow [2023-11-26 12:05:12,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:12,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:12,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1428 transitions. [2023-11-26 12:05:12,501 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9616161616161616 [2023-11-26 12:05:12,502 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1428 transitions. [2023-11-26 12:05:12,503 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1428 transitions. [2023-11-26 12:05:12,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:12,511 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1428 transitions. [2023-11-26 12:05:12,519 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 476.0) internal successors, (1428), 3 states have internal predecessors, (1428), 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 12:05:12,531 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:12,533 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:12,535 INFO L175 Difference]: Start difference. First operand has 452 places, 469 transitions, 950 flow. Second operand 3 states and 1428 transitions. [2023-11-26 12:05:12,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 458 transitions, 954 flow [2023-11-26 12:05:12,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 458 transitions, 946 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 12:05:12,562 INFO L231 Difference]: Finished difference. Result has 449 places, 452 transitions, 912 flow [2023-11-26 12:05:12,565 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=920, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=458, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=456, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=912, PETRI_PLACES=449, PETRI_TRANSITIONS=452} [2023-11-26 12:05:12,571 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -3 predicate places. [2023-11-26 12:05:12,571 INFO L495 AbstractCegarLoop]: Abstraction has has 449 places, 452 transitions, 912 flow [2023-11-26 12:05:12,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 469.3333333333333) internal successors, (1408), 3 states have internal predecessors, (1408), 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 12:05:12,573 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:12,574 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] [2023-11-26 12:05:12,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 12:05:12,574 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:12,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:12,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1114717556, now seen corresponding path program 1 times [2023-11-26 12:05:12,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:12,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116735060] [2023-11-26 12:05:12,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:12,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:12,644 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 12:05:12,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:12,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116735060] [2023-11-26 12:05:12,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116735060] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:12,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:12,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:12,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753329392] [2023-11-26 12:05:12,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:12,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:12,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:12,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:12,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:12,688 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 468 out of 495 [2023-11-26 12:05:12,691 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 452 transitions, 912 flow. Second operand has 3 states, 3 states have (on average 469.3333333333333) internal successors, (1408), 3 states have internal predecessors, (1408), 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 12:05:12,691 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:12,691 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 468 of 495 [2023-11-26 12:05:12,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:12,929 INFO L124 PetriNetUnfolderBase]: 37/798 cut-off events. [2023-11-26 12:05:12,929 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-26 12:05:12,934 INFO L83 FinitePrefix]: Finished finitePrefix Result has 836 conditions, 798 events. 37/798 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3515 event pairs, 8 based on Foata normal form. 0/660 useless extension candidates. Maximal degree in co-relation 804. Up to 28 conditions per place. [2023-11-26 12:05:12,940 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 11 selfloop transitions, 2 changer transitions 0/451 dead transitions. [2023-11-26 12:05:12,940 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 451 transitions, 936 flow [2023-11-26 12:05:12,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:12,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:12,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1418 transitions. [2023-11-26 12:05:12,945 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9548821548821549 [2023-11-26 12:05:12,946 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1418 transitions. [2023-11-26 12:05:12,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1418 transitions. [2023-11-26 12:05:12,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:12,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1418 transitions. [2023-11-26 12:05:12,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 472.6666666666667) internal successors, (1418), 3 states have internal predecessors, (1418), 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 12:05:12,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:12,958 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:12,959 INFO L175 Difference]: Start difference. First operand has 449 places, 452 transitions, 912 flow. Second operand 3 states and 1418 transitions. [2023-11-26 12:05:12,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 451 transitions, 936 flow [2023-11-26 12:05:12,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 451 transitions, 932 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:05:12,972 INFO L231 Difference]: Finished difference. Result has 442 places, 451 transitions, 910 flow [2023-11-26 12:05:12,973 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=906, PETRI_DIFFERENCE_MINUEND_PLACES=440, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=449, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=910, PETRI_PLACES=442, PETRI_TRANSITIONS=451} [2023-11-26 12:05:12,974 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -10 predicate places. [2023-11-26 12:05:12,974 INFO L495 AbstractCegarLoop]: Abstraction has has 442 places, 451 transitions, 910 flow [2023-11-26 12:05:12,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 469.3333333333333) internal successors, (1408), 3 states have internal predecessors, (1408), 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 12:05:12,976 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:12,977 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] [2023-11-26 12:05:12,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 12:05:12,981 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:12,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:12,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1995982717, now seen corresponding path program 1 times [2023-11-26 12:05:12,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:12,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982903896] [2023-11-26 12:05:12,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:12,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:13,098 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 12:05:13,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:13,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982903896] [2023-11-26 12:05:13,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982903896] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:13,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:13,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:13,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820871983] [2023-11-26 12:05:13,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:13,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:13,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:13,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:13,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:13,159 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 467 out of 495 [2023-11-26 12:05:13,162 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 442 places, 451 transitions, 910 flow. Second operand has 3 states, 3 states have (on average 468.3333333333333) internal successors, (1405), 3 states have internal predecessors, (1405), 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 12:05:13,162 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:13,162 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 467 of 495 [2023-11-26 12:05:13,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:13,327 INFO L124 PetriNetUnfolderBase]: 32/720 cut-off events. [2023-11-26 12:05:13,327 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-26 12:05:13,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 759 conditions, 720 events. 32/720 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2894 event pairs, 8 based on Foata normal form. 0/599 useless extension candidates. Maximal degree in co-relation 719. Up to 29 conditions per place. [2023-11-26 12:05:13,337 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 12 selfloop transitions, 2 changer transitions 0/450 dead transitions. [2023-11-26 12:05:13,338 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 443 places, 450 transitions, 936 flow [2023-11-26 12:05:13,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:13,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:13,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1416 transitions. [2023-11-26 12:05:13,343 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9535353535353536 [2023-11-26 12:05:13,343 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1416 transitions. [2023-11-26 12:05:13,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1416 transitions. [2023-11-26 12:05:13,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:13,344 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1416 transitions. [2023-11-26 12:05:13,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 472.0) internal successors, (1416), 3 states have internal predecessors, (1416), 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 12:05:13,353 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:13,355 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:13,355 INFO L175 Difference]: Start difference. First operand has 442 places, 451 transitions, 910 flow. Second operand 3 states and 1416 transitions. [2023-11-26 12:05:13,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 443 places, 450 transitions, 936 flow [2023-11-26 12:05:13,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 441 places, 450 transitions, 932 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:05:13,366 INFO L231 Difference]: Finished difference. Result has 441 places, 450 transitions, 908 flow [2023-11-26 12:05:13,367 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=904, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=908, PETRI_PLACES=441, PETRI_TRANSITIONS=450} [2023-11-26 12:05:13,368 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -11 predicate places. [2023-11-26 12:05:13,368 INFO L495 AbstractCegarLoop]: Abstraction has has 441 places, 450 transitions, 908 flow [2023-11-26 12:05:13,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 468.3333333333333) internal successors, (1405), 3 states have internal predecessors, (1405), 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 12:05:13,370 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:13,370 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] [2023-11-26 12:05:13,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 12:05:13,370 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:13,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:13,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1190209823, now seen corresponding path program 1 times [2023-11-26 12:05:13,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:13,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289063243] [2023-11-26 12:05:13,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:13,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:13,421 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 12:05:13,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:13,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289063243] [2023-11-26 12:05:13,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289063243] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:13,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:13,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:13,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239646812] [2023-11-26 12:05:13,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:13,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:13,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:13,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:13,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:13,457 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 467 out of 495 [2023-11-26 12:05:13,460 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 441 places, 450 transitions, 908 flow. Second operand has 3 states, 3 states have (on average 468.3333333333333) internal successors, (1405), 3 states have internal predecessors, (1405), 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 12:05:13,460 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:13,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 467 of 495 [2023-11-26 12:05:13,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:13,636 INFO L124 PetriNetUnfolderBase]: 36/791 cut-off events. [2023-11-26 12:05:13,637 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2023-11-26 12:05:13,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 831 conditions, 791 events. 36/791 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3348 event pairs, 8 based on Foata normal form. 0/654 useless extension candidates. Maximal degree in co-relation 783. Up to 30 conditions per place. [2023-11-26 12:05:13,647 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 12 selfloop transitions, 2 changer transitions 0/449 dead transitions. [2023-11-26 12:05:13,648 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 442 places, 449 transitions, 934 flow [2023-11-26 12:05:13,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:13,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:13,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1416 transitions. [2023-11-26 12:05:13,653 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9535353535353536 [2023-11-26 12:05:13,653 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1416 transitions. [2023-11-26 12:05:13,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1416 transitions. [2023-11-26 12:05:13,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:13,655 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1416 transitions. [2023-11-26 12:05:13,660 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 472.0) internal successors, (1416), 3 states have internal predecessors, (1416), 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 12:05:13,665 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:13,667 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:13,667 INFO L175 Difference]: Start difference. First operand has 441 places, 450 transitions, 908 flow. Second operand 3 states and 1416 transitions. [2023-11-26 12:05:13,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 442 places, 449 transitions, 934 flow [2023-11-26 12:05:13,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 440 places, 449 transitions, 930 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:05:13,684 INFO L231 Difference]: Finished difference. Result has 440 places, 449 transitions, 906 flow [2023-11-26 12:05:13,685 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=902, PETRI_DIFFERENCE_MINUEND_PLACES=438, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=447, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=906, PETRI_PLACES=440, PETRI_TRANSITIONS=449} [2023-11-26 12:05:13,688 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -12 predicate places. [2023-11-26 12:05:13,688 INFO L495 AbstractCegarLoop]: Abstraction has has 440 places, 449 transitions, 906 flow [2023-11-26 12:05:13,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 468.3333333333333) internal successors, (1405), 3 states have internal predecessors, (1405), 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 12:05:13,690 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:13,690 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 12:05:13,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 12:05:13,690 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:13,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:13,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1474171749, now seen corresponding path program 1 times [2023-11-26 12:05:13,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:13,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498830904] [2023-11-26 12:05:13,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:13,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:13,767 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 12:05:13,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:13,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498830904] [2023-11-26 12:05:13,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498830904] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:13,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:13,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:13,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003247633] [2023-11-26 12:05:13,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:13,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:13,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:13,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:13,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:13,803 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 463 out of 495 [2023-11-26 12:05:13,805 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 449 transitions, 906 flow. Second operand has 3 states, 3 states have (on average 464.0) internal successors, (1392), 3 states have internal predecessors, (1392), 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 12:05:13,807 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:13,810 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 463 of 495 [2023-11-26 12:05:13,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:14,092 INFO L124 PetriNetUnfolderBase]: 83/1223 cut-off events. [2023-11-26 12:05:14,092 INFO L125 PetriNetUnfolderBase]: For 12/13 co-relation queries the response was YES. [2023-11-26 12:05:14,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1316 conditions, 1223 events. 83/1223 cut-off events. For 12/13 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 7039 event pairs, 24 based on Foata normal form. 0/1013 useless extension candidates. Maximal degree in co-relation 1260. Up to 81 conditions per place. [2023-11-26 12:05:14,111 INFO L140 encePairwiseOnDemand]: 489/495 looper letters, 14 selfloop transitions, 1 changer transitions 0/444 dead transitions. [2023-11-26 12:05:14,111 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 437 places, 444 transitions, 926 flow [2023-11-26 12:05:14,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:14,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:14,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1409 transitions. [2023-11-26 12:05:14,119 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9488215488215488 [2023-11-26 12:05:14,119 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1409 transitions. [2023-11-26 12:05:14,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1409 transitions. [2023-11-26 12:05:14,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:14,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1409 transitions. [2023-11-26 12:05:14,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 469.6666666666667) internal successors, (1409), 3 states have internal predecessors, (1409), 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 12:05:14,130 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:14,132 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:14,132 INFO L175 Difference]: Start difference. First operand has 440 places, 449 transitions, 906 flow. Second operand 3 states and 1409 transitions. [2023-11-26 12:05:14,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 437 places, 444 transitions, 926 flow [2023-11-26 12:05:14,172 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 435 places, 444 transitions, 922 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:05:14,184 INFO L231 Difference]: Finished difference. Result has 435 places, 444 transitions, 894 flow [2023-11-26 12:05:14,185 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=892, PETRI_DIFFERENCE_MINUEND_PLACES=433, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=443, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=894, PETRI_PLACES=435, PETRI_TRANSITIONS=444} [2023-11-26 12:05:14,188 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -17 predicate places. [2023-11-26 12:05:14,189 INFO L495 AbstractCegarLoop]: Abstraction has has 435 places, 444 transitions, 894 flow [2023-11-26 12:05:14,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 464.0) internal successors, (1392), 3 states have internal predecessors, (1392), 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 12:05:14,190 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:14,191 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] [2023-11-26 12:05:14,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 12:05:14,191 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:14,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:14,193 INFO L85 PathProgramCache]: Analyzing trace with hash 847181566, now seen corresponding path program 1 times [2023-11-26 12:05:14,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:14,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946931522] [2023-11-26 12:05:14,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:14,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:15,080 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 12:05:15,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:15,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946931522] [2023-11-26 12:05:15,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946931522] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:15,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:15,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:05:15,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318341075] [2023-11-26 12:05:15,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:15,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:05:15,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:15,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:05:15,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:05:15,489 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 495 [2023-11-26 12:05:15,493 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 435 places, 444 transitions, 894 flow. Second operand has 6 states, 6 states have (on average 412.5) internal successors, (2475), 6 states have internal predecessors, (2475), 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 12:05:15,493 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:15,494 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 495 [2023-11-26 12:05:15,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:18,649 INFO L124 PetriNetUnfolderBase]: 3068/12604 cut-off events. [2023-11-26 12:05:18,649 INFO L125 PetriNetUnfolderBase]: For 48/56 co-relation queries the response was YES. [2023-11-26 12:05:18,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16931 conditions, 12604 events. 3068/12604 cut-off events. For 48/56 co-relation queries the response was YES. Maximal size of possible extension queue 340. Compared 134162 event pairs, 2528 based on Foata normal form. 0/10606 useless extension candidates. Maximal degree in co-relation 16876. Up to 4296 conditions per place. [2023-11-26 12:05:18,802 INFO L140 encePairwiseOnDemand]: 483/495 looper letters, 60 selfloop transitions, 10 changer transitions 0/442 dead transitions. [2023-11-26 12:05:18,802 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 442 transitions, 1030 flow [2023-11-26 12:05:18,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:05:18,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 12:05:18,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2538 transitions. [2023-11-26 12:05:18,817 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8545454545454545 [2023-11-26 12:05:18,818 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2538 transitions. [2023-11-26 12:05:18,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2538 transitions. [2023-11-26 12:05:18,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:18,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2538 transitions. [2023-11-26 12:05:18,828 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 423.0) internal successors, (2538), 6 states have internal predecessors, (2538), 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 12:05:18,837 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 495.0) internal successors, (3465), 7 states have internal predecessors, (3465), 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 12:05:18,841 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 495.0) internal successors, (3465), 7 states have internal predecessors, (3465), 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 12:05:18,842 INFO L175 Difference]: Start difference. First operand has 435 places, 444 transitions, 894 flow. Second operand 6 states and 2538 transitions. [2023-11-26 12:05:18,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 442 transitions, 1030 flow [2023-11-26 12:05:18,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 442 transitions, 1029 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 12:05:18,853 INFO L231 Difference]: Finished difference. Result has 437 places, 442 transitions, 909 flow [2023-11-26 12:05:18,855 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=889, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=442, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=432, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=909, PETRI_PLACES=437, PETRI_TRANSITIONS=442} [2023-11-26 12:05:18,858 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -15 predicate places. [2023-11-26 12:05:18,859 INFO L495 AbstractCegarLoop]: Abstraction has has 437 places, 442 transitions, 909 flow [2023-11-26 12:05:18,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 412.5) internal successors, (2475), 6 states have internal predecessors, (2475), 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 12:05:18,860 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:18,861 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] [2023-11-26 12:05:18,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 12:05:18,861 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:18,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:18,862 INFO L85 PathProgramCache]: Analyzing trace with hash -2027688426, now seen corresponding path program 1 times [2023-11-26 12:05:18,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:18,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309131574] [2023-11-26 12:05:18,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:18,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:18,934 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 12:05:18,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:18,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309131574] [2023-11-26 12:05:18,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309131574] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:18,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:18,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:18,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322767287] [2023-11-26 12:05:18,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:18,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:18,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:18,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:18,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:18,973 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 468 out of 495 [2023-11-26 12:05:18,975 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 442 transitions, 909 flow. Second operand has 3 states, 3 states have (on average 469.3333333333333) internal successors, (1408), 3 states have internal predecessors, (1408), 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 12:05:18,975 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:18,975 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 468 of 495 [2023-11-26 12:05:18,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:19,107 INFO L124 PetriNetUnfolderBase]: 32/707 cut-off events. [2023-11-26 12:05:19,108 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2023-11-26 12:05:19,113 INFO L83 FinitePrefix]: Finished finitePrefix Result has 754 conditions, 707 events. 32/707 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2729 event pairs, 8 based on Foata normal form. 0/600 useless extension candidates. Maximal degree in co-relation 721. Up to 28 conditions per place. [2023-11-26 12:05:19,117 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 11 selfloop transitions, 2 changer transitions 0/441 dead transitions. [2023-11-26 12:05:19,117 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 438 places, 441 transitions, 933 flow [2023-11-26 12:05:19,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:19,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:19,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1418 transitions. [2023-11-26 12:05:19,123 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9548821548821549 [2023-11-26 12:05:19,123 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1418 transitions. [2023-11-26 12:05:19,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1418 transitions. [2023-11-26 12:05:19,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:19,125 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1418 transitions. [2023-11-26 12:05:19,129 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 472.6666666666667) internal successors, (1418), 3 states have internal predecessors, (1418), 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 12:05:19,133 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:19,152 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:19,152 INFO L175 Difference]: Start difference. First operand has 437 places, 442 transitions, 909 flow. Second operand 3 states and 1418 transitions. [2023-11-26 12:05:19,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 438 places, 441 transitions, 933 flow [2023-11-26 12:05:19,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 441 transitions, 913 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 12:05:19,164 INFO L231 Difference]: Finished difference. Result has 433 places, 441 transitions, 891 flow [2023-11-26 12:05:19,165 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=887, PETRI_DIFFERENCE_MINUEND_PLACES=431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=441, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=891, PETRI_PLACES=433, PETRI_TRANSITIONS=441} [2023-11-26 12:05:19,167 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -19 predicate places. [2023-11-26 12:05:19,167 INFO L495 AbstractCegarLoop]: Abstraction has has 433 places, 441 transitions, 891 flow [2023-11-26 12:05:19,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 469.3333333333333) internal successors, (1408), 3 states have internal predecessors, (1408), 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 12:05:19,169 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:19,169 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] [2023-11-26 12:05:19,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 12:05:19,169 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:19,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:19,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1508614875, now seen corresponding path program 1 times [2023-11-26 12:05:19,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:19,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971586917] [2023-11-26 12:05:19,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:19,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:19,227 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 12:05:19,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:19,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971586917] [2023-11-26 12:05:19,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971586917] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:19,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:19,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:19,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17699965] [2023-11-26 12:05:19,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:19,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:19,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:19,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:19,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:19,323 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 463 out of 495 [2023-11-26 12:05:19,325 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 441 transitions, 891 flow. Second operand has 3 states, 3 states have (on average 464.0) internal successors, (1392), 3 states have internal predecessors, (1392), 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 12:05:19,326 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:19,326 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 463 of 495 [2023-11-26 12:05:19,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:19,599 INFO L124 PetriNetUnfolderBase]: 80/1080 cut-off events. [2023-11-26 12:05:19,600 INFO L125 PetriNetUnfolderBase]: For 14/15 co-relation queries the response was YES. [2023-11-26 12:05:19,608 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1175 conditions, 1080 events. 80/1080 cut-off events. For 14/15 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5883 event pairs, 24 based on Foata normal form. 0/912 useless extension candidates. Maximal degree in co-relation 1119. Up to 82 conditions per place. [2023-11-26 12:05:19,615 INFO L140 encePairwiseOnDemand]: 489/495 looper letters, 14 selfloop transitions, 1 changer transitions 0/436 dead transitions. [2023-11-26 12:05:19,615 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 436 transitions, 911 flow [2023-11-26 12:05:19,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:19,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:19,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1409 transitions. [2023-11-26 12:05:19,621 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9488215488215488 [2023-11-26 12:05:19,621 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1409 transitions. [2023-11-26 12:05:19,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1409 transitions. [2023-11-26 12:05:19,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:19,623 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1409 transitions. [2023-11-26 12:05:19,628 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 469.6666666666667) internal successors, (1409), 3 states have internal predecessors, (1409), 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 12:05:19,632 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:19,633 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:19,633 INFO L175 Difference]: Start difference. First operand has 433 places, 441 transitions, 891 flow. Second operand 3 states and 1409 transitions. [2023-11-26 12:05:19,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 436 transitions, 911 flow [2023-11-26 12:05:19,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 436 transitions, 907 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:05:19,646 INFO L231 Difference]: Finished difference. Result has 428 places, 436 transitions, 879 flow [2023-11-26 12:05:19,647 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=877, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=879, PETRI_PLACES=428, PETRI_TRANSITIONS=436} [2023-11-26 12:05:19,649 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -24 predicate places. [2023-11-26 12:05:19,650 INFO L495 AbstractCegarLoop]: Abstraction has has 428 places, 436 transitions, 879 flow [2023-11-26 12:05:19,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 464.0) internal successors, (1392), 3 states have internal predecessors, (1392), 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 12:05:19,651 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:19,651 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] [2023-11-26 12:05:19,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 12:05:19,651 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:19,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:19,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1441639092, now seen corresponding path program 1 times [2023-11-26 12:05:19,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:19,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323354728] [2023-11-26 12:05:19,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:19,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:19,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:19,719 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 12:05:19,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:19,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323354728] [2023-11-26 12:05:19,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323354728] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:19,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:19,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:19,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863658249] [2023-11-26 12:05:19,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:19,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:19,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:19,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:19,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:19,755 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 468 out of 495 [2023-11-26 12:05:19,757 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 436 transitions, 879 flow. Second operand has 3 states, 3 states have (on average 469.3333333333333) internal successors, (1408), 3 states have internal predecessors, (1408), 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 12:05:19,758 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:19,758 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 468 of 495 [2023-11-26 12:05:19,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:19,941 INFO L124 PetriNetUnfolderBase]: 32/697 cut-off events. [2023-11-26 12:05:19,942 INFO L125 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2023-11-26 12:05:19,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 735 conditions, 697 events. 32/697 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2606 event pairs, 8 based on Foata normal form. 0/599 useless extension candidates. Maximal degree in co-relation 679. Up to 28 conditions per place. [2023-11-26 12:05:19,950 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 11 selfloop transitions, 2 changer transitions 0/435 dead transitions. [2023-11-26 12:05:19,950 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 435 transitions, 903 flow [2023-11-26 12:05:19,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:19,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:19,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1418 transitions. [2023-11-26 12:05:19,956 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9548821548821549 [2023-11-26 12:05:19,956 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1418 transitions. [2023-11-26 12:05:19,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1418 transitions. [2023-11-26 12:05:19,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:19,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1418 transitions. [2023-11-26 12:05:19,963 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 472.6666666666667) internal successors, (1418), 3 states have internal predecessors, (1418), 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 12:05:19,966 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:19,967 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:19,967 INFO L175 Difference]: Start difference. First operand has 428 places, 436 transitions, 879 flow. Second operand 3 states and 1418 transitions. [2023-11-26 12:05:19,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 435 transitions, 903 flow [2023-11-26 12:05:19,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 435 transitions, 902 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 12:05:19,981 INFO L231 Difference]: Finished difference. Result has 428 places, 435 transitions, 880 flow [2023-11-26 12:05:19,982 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=876, PETRI_DIFFERENCE_MINUEND_PLACES=426, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=880, PETRI_PLACES=428, PETRI_TRANSITIONS=435} [2023-11-26 12:05:19,983 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -24 predicate places. [2023-11-26 12:05:19,983 INFO L495 AbstractCegarLoop]: Abstraction has has 428 places, 435 transitions, 880 flow [2023-11-26 12:05:19,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 469.3333333333333) internal successors, (1408), 3 states have internal predecessors, (1408), 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 12:05:19,984 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:19,984 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] [2023-11-26 12:05:19,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 12:05:19,985 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:19,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:19,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1041724651, now seen corresponding path program 1 times [2023-11-26 12:05:19,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:19,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875858671] [2023-11-26 12:05:19,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:19,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:20,061 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 12:05:20,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:20,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875858671] [2023-11-26 12:05:20,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875858671] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:20,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:20,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:20,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946641515] [2023-11-26 12:05:20,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:20,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:20,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:20,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:20,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:20,095 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 466 out of 495 [2023-11-26 12:05:20,098 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 435 transitions, 880 flow. Second operand has 3 states, 3 states have (on average 467.3333333333333) internal successors, (1402), 3 states have internal predecessors, (1402), 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 12:05:20,098 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:20,098 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 466 of 495 [2023-11-26 12:05:20,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:20,400 INFO L124 PetriNetUnfolderBase]: 73/1172 cut-off events. [2023-11-26 12:05:20,400 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-26 12:05:20,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1246 conditions, 1172 events. 73/1172 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 6688 event pairs, 16 based on Foata normal form. 0/997 useless extension candidates. Maximal degree in co-relation 1190. Up to 58 conditions per place. [2023-11-26 12:05:20,410 INFO L140 encePairwiseOnDemand]: 489/495 looper letters, 14 selfloop transitions, 2 changer transitions 0/434 dead transitions. [2023-11-26 12:05:20,411 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 434 transitions, 911 flow [2023-11-26 12:05:20,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:20,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:20,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1418 transitions. [2023-11-26 12:05:20,416 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9548821548821549 [2023-11-26 12:05:20,416 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1418 transitions. [2023-11-26 12:05:20,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1418 transitions. [2023-11-26 12:05:20,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:20,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1418 transitions. [2023-11-26 12:05:20,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 472.6666666666667) internal successors, (1418), 3 states have internal predecessors, (1418), 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 12:05:20,426 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:20,427 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:20,427 INFO L175 Difference]: Start difference. First operand has 428 places, 435 transitions, 880 flow. Second operand 3 states and 1418 transitions. [2023-11-26 12:05:20,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 434 transitions, 911 flow [2023-11-26 12:05:20,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 424 places, 434 transitions, 907 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:05:20,440 INFO L231 Difference]: Finished difference. Result has 425 places, 433 transitions, 882 flow [2023-11-26 12:05:20,441 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=868, PETRI_DIFFERENCE_MINUEND_PLACES=422, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=429, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=882, PETRI_PLACES=425, PETRI_TRANSITIONS=433} [2023-11-26 12:05:20,442 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -27 predicate places. [2023-11-26 12:05:20,442 INFO L495 AbstractCegarLoop]: Abstraction has has 425 places, 433 transitions, 882 flow [2023-11-26 12:05:20,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 467.3333333333333) internal successors, (1402), 3 states have internal predecessors, (1402), 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 12:05:20,443 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:20,443 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] [2023-11-26 12:05:20,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-26 12:05:20,444 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:20,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:20,444 INFO L85 PathProgramCache]: Analyzing trace with hash 370045869, now seen corresponding path program 1 times [2023-11-26 12:05:20,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:20,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234162677] [2023-11-26 12:05:20,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:20,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:20,505 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 12:05:20,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:20,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234162677] [2023-11-26 12:05:20,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234162677] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:20,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:20,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:20,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391193960] [2023-11-26 12:05:20,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:20,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:20,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:20,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:20,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:20,526 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 466 out of 495 [2023-11-26 12:05:20,527 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 433 transitions, 882 flow. Second operand has 3 states, 3 states have (on average 467.3333333333333) internal successors, (1402), 3 states have internal predecessors, (1402), 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 12:05:20,528 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:20,528 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 466 of 495 [2023-11-26 12:05:20,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:20,715 INFO L124 PetriNetUnfolderBase]: 70/1123 cut-off events. [2023-11-26 12:05:20,715 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-26 12:05:20,721 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1207 conditions, 1123 events. 70/1123 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 6503 event pairs, 16 based on Foata normal form. 0/974 useless extension candidates. Maximal degree in co-relation 1151. Up to 61 conditions per place. [2023-11-26 12:05:20,725 INFO L140 encePairwiseOnDemand]: 489/495 looper letters, 14 selfloop transitions, 2 changer transitions 0/432 dead transitions. [2023-11-26 12:05:20,726 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 432 transitions, 913 flow [2023-11-26 12:05:20,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:20,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:20,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1418 transitions. [2023-11-26 12:05:20,731 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9548821548821549 [2023-11-26 12:05:20,731 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1418 transitions. [2023-11-26 12:05:20,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1418 transitions. [2023-11-26 12:05:20,732 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:20,733 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1418 transitions. [2023-11-26 12:05:20,736 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 472.6666666666667) internal successors, (1418), 3 states have internal predecessors, (1418), 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 12:05:20,740 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:20,741 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:20,741 INFO L175 Difference]: Start difference. First operand has 425 places, 433 transitions, 882 flow. Second operand 3 states and 1418 transitions. [2023-11-26 12:05:20,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 432 transitions, 913 flow [2023-11-26 12:05:20,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 432 transitions, 913 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 12:05:20,753 INFO L231 Difference]: Finished difference. Result has 424 places, 431 transitions, 888 flow [2023-11-26 12:05:20,754 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=421, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=888, PETRI_PLACES=424, PETRI_TRANSITIONS=431} [2023-11-26 12:05:20,755 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -28 predicate places. [2023-11-26 12:05:20,755 INFO L495 AbstractCegarLoop]: Abstraction has has 424 places, 431 transitions, 888 flow [2023-11-26 12:05:20,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 467.3333333333333) internal successors, (1402), 3 states have internal predecessors, (1402), 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 12:05:20,756 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:20,756 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] [2023-11-26 12:05:20,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-26 12:05:20,757 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:20,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:20,757 INFO L85 PathProgramCache]: Analyzing trace with hash -454966718, now seen corresponding path program 1 times [2023-11-26 12:05:20,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:20,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756067138] [2023-11-26 12:05:20,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:20,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:21,546 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 12:05:21,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:21,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756067138] [2023-11-26 12:05:21,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756067138] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:21,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:21,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:05:21,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49924553] [2023-11-26 12:05:21,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:21,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:05:21,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:21,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:05:21,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:05:22,449 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 461 out of 495 [2023-11-26 12:05:22,454 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 431 transitions, 888 flow. Second operand has 6 states, 6 states have (on average 462.5) internal successors, (2775), 6 states have internal predecessors, (2775), 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 12:05:22,455 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:22,455 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 461 of 495 [2023-11-26 12:05:22,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:22,640 INFO L124 PetriNetUnfolderBase]: 26/630 cut-off events. [2023-11-26 12:05:22,641 INFO L125 PetriNetUnfolderBase]: For 2/8 co-relation queries the response was YES. [2023-11-26 12:05:22,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 670 conditions, 630 events. 26/630 cut-off events. For 2/8 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2227 event pairs, 0 based on Foata normal form. 4/560 useless extension candidates. Maximal degree in co-relation 612. Up to 13 conditions per place. [2023-11-26 12:05:22,648 INFO L140 encePairwiseOnDemand]: 490/495 looper letters, 15 selfloop transitions, 4 changer transitions 0/430 dead transitions. [2023-11-26 12:05:22,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 430 transitions, 924 flow [2023-11-26 12:05:22,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:05:22,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 12:05:22,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2786 transitions. [2023-11-26 12:05:22,659 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.938047138047138 [2023-11-26 12:05:22,660 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2786 transitions. [2023-11-26 12:05:22,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2786 transitions. [2023-11-26 12:05:22,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:22,663 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2786 transitions. [2023-11-26 12:05:22,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 464.3333333333333) internal successors, (2786), 6 states have internal predecessors, (2786), 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 12:05:22,679 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 495.0) internal successors, (3465), 7 states have internal predecessors, (3465), 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 12:05:22,682 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 495.0) internal successors, (3465), 7 states have internal predecessors, (3465), 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 12:05:22,683 INFO L175 Difference]: Start difference. First operand has 424 places, 431 transitions, 888 flow. Second operand 6 states and 2786 transitions. [2023-11-26 12:05:22,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 430 transitions, 924 flow [2023-11-26 12:05:22,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 428 places, 430 transitions, 924 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 12:05:22,695 INFO L231 Difference]: Finished difference. Result has 428 places, 430 transitions, 894 flow [2023-11-26 12:05:22,696 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=430, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=894, PETRI_PLACES=428, PETRI_TRANSITIONS=430} [2023-11-26 12:05:22,697 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -24 predicate places. [2023-11-26 12:05:22,697 INFO L495 AbstractCegarLoop]: Abstraction has has 428 places, 430 transitions, 894 flow [2023-11-26 12:05:22,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 462.5) internal successors, (2775), 6 states have internal predecessors, (2775), 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 12:05:22,699 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:22,699 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] [2023-11-26 12:05:22,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-26 12:05:22,700 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:22,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:22,700 INFO L85 PathProgramCache]: Analyzing trace with hash -2082258855, now seen corresponding path program 1 times [2023-11-26 12:05:22,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:22,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195753717] [2023-11-26 12:05:22,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:22,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:22,769 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 12:05:22,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:22,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195753717] [2023-11-26 12:05:22,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195753717] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:22,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:22,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:22,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12555817] [2023-11-26 12:05:22,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:22,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:22,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:22,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:22,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:22,808 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 469 out of 495 [2023-11-26 12:05:22,811 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 430 transitions, 894 flow. Second operand has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 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 12:05:22,811 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:22,811 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 469 of 495 [2023-11-26 12:05:22,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:23,006 INFO L124 PetriNetUnfolderBase]: 47/979 cut-off events. [2023-11-26 12:05:23,007 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2023-11-26 12:05:23,014 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1054 conditions, 979 events. 47/979 cut-off events. For 2/5 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4481 event pairs, 4 based on Foata normal form. 1/856 useless extension candidates. Maximal degree in co-relation 997. Up to 20 conditions per place. [2023-11-26 12:05:23,019 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 12 selfloop transitions, 2 changer transitions 0/430 dead transitions. [2023-11-26 12:05:23,019 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 429 places, 430 transitions, 923 flow [2023-11-26 12:05:23,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:23,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:23,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1422 transitions. [2023-11-26 12:05:23,027 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9575757575757575 [2023-11-26 12:05:23,027 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1422 transitions. [2023-11-26 12:05:23,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1422 transitions. [2023-11-26 12:05:23,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:23,030 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1422 transitions. [2023-11-26 12:05:23,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 474.0) internal successors, (1422), 3 states have internal predecessors, (1422), 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 12:05:23,039 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:23,040 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:23,041 INFO L175 Difference]: Start difference. First operand has 428 places, 430 transitions, 894 flow. Second operand 3 states and 1422 transitions. [2023-11-26 12:05:23,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 429 places, 430 transitions, 923 flow [2023-11-26 12:05:23,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 430 transitions, 916 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 12:05:23,056 INFO L231 Difference]: Finished difference. Result has 425 places, 429 transitions, 889 flow [2023-11-26 12:05:23,057 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=885, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=889, PETRI_PLACES=425, PETRI_TRANSITIONS=429} [2023-11-26 12:05:23,059 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -27 predicate places. [2023-11-26 12:05:23,059 INFO L495 AbstractCegarLoop]: Abstraction has has 425 places, 429 transitions, 889 flow [2023-11-26 12:05:23,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 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 12:05:23,060 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:23,060 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] [2023-11-26 12:05:23,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-26 12:05:23,061 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:23,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:23,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1742084389, now seen corresponding path program 1 times [2023-11-26 12:05:23,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:23,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586468971] [2023-11-26 12:05:23,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:23,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:23,141 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 12:05:23,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:23,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586468971] [2023-11-26 12:05:23,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586468971] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:23,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:23,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:05:23,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458715367] [2023-11-26 12:05:23,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:23,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:23,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:23,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:23,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:23,157 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 471 out of 495 [2023-11-26 12:05:23,160 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 429 transitions, 889 flow. Second operand has 3 states, 3 states have (on average 472.6666666666667) internal successors, (1418), 3 states have internal predecessors, (1418), 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 12:05:23,160 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:23,160 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 471 of 495 [2023-11-26 12:05:23,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:23,333 INFO L124 PetriNetUnfolderBase]: 44/838 cut-off events. [2023-11-26 12:05:23,333 INFO L125 PetriNetUnfolderBase]: For 3/11 co-relation queries the response was YES. [2023-11-26 12:05:23,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 906 conditions, 838 events. 44/838 cut-off events. For 3/11 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3894 event pairs, 6 based on Foata normal form. 1/735 useless extension candidates. Maximal degree in co-relation 849. Up to 25 conditions per place. [2023-11-26 12:05:23,344 INFO L140 encePairwiseOnDemand]: 491/495 looper letters, 11 selfloop transitions, 3 changer transitions 0/431 dead transitions. [2023-11-26 12:05:23,344 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 431 transitions, 922 flow [2023-11-26 12:05:23,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:23,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:23,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1428 transitions. [2023-11-26 12:05:23,351 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9616161616161616 [2023-11-26 12:05:23,352 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1428 transitions. [2023-11-26 12:05:23,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1428 transitions. [2023-11-26 12:05:23,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:23,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1428 transitions. [2023-11-26 12:05:23,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 476.0) internal successors, (1428), 3 states have internal predecessors, (1428), 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 12:05:23,362 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:23,363 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:23,364 INFO L175 Difference]: Start difference. First operand has 425 places, 429 transitions, 889 flow. Second operand 3 states and 1428 transitions. [2023-11-26 12:05:23,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 431 transitions, 922 flow [2023-11-26 12:05:23,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 431 transitions, 918 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:05:23,376 INFO L231 Difference]: Finished difference. Result has 427 places, 430 transitions, 903 flow [2023-11-26 12:05:23,377 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=885, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=903, PETRI_PLACES=427, PETRI_TRANSITIONS=430} [2023-11-26 12:05:23,378 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -25 predicate places. [2023-11-26 12:05:23,379 INFO L495 AbstractCegarLoop]: Abstraction has has 427 places, 430 transitions, 903 flow [2023-11-26 12:05:23,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 472.6666666666667) internal successors, (1418), 3 states have internal predecessors, (1418), 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 12:05:23,380 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:23,380 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] [2023-11-26 12:05:23,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-26 12:05:23,381 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:23,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:23,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1229121056, now seen corresponding path program 1 times [2023-11-26 12:05:23,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:23,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563065990] [2023-11-26 12:05:23,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:23,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:23,465 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 12:05:23,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:23,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563065990] [2023-11-26 12:05:23,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563065990] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:23,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:23,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:23,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256466623] [2023-11-26 12:05:23,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:23,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:23,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:23,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:23,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:23,487 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 466 out of 495 [2023-11-26 12:05:23,490 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 430 transitions, 903 flow. Second operand has 3 states, 3 states have (on average 467.3333333333333) internal successors, (1402), 3 states have internal predecessors, (1402), 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 12:05:23,490 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:23,490 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 466 of 495 [2023-11-26 12:05:23,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:23,807 INFO L124 PetriNetUnfolderBase]: 100/1473 cut-off events. [2023-11-26 12:05:23,807 INFO L125 PetriNetUnfolderBase]: For 24/25 co-relation queries the response was YES. [2023-11-26 12:05:23,820 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1627 conditions, 1473 events. 100/1473 cut-off events. For 24/25 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 8714 event pairs, 12 based on Foata normal form. 0/1285 useless extension candidates. Maximal degree in co-relation 1569. Up to 89 conditions per place. [2023-11-26 12:05:23,827 INFO L140 encePairwiseOnDemand]: 489/495 looper letters, 16 selfloop transitions, 2 changer transitions 0/431 dead transitions. [2023-11-26 12:05:23,827 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 431 transitions, 944 flow [2023-11-26 12:05:23,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:23,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:23,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1420 transitions. [2023-11-26 12:05:23,833 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9562289562289562 [2023-11-26 12:05:23,834 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1420 transitions. [2023-11-26 12:05:23,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1420 transitions. [2023-11-26 12:05:23,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:23,836 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1420 transitions. [2023-11-26 12:05:23,840 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 473.3333333333333) internal successors, (1420), 3 states have internal predecessors, (1420), 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 12:05:23,844 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:23,845 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:23,846 INFO L175 Difference]: Start difference. First operand has 427 places, 430 transitions, 903 flow. Second operand 3 states and 1420 transitions. [2023-11-26 12:05:23,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 431 transitions, 944 flow [2023-11-26 12:05:23,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 423 places, 431 transitions, 938 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:05:23,858 INFO L231 Difference]: Finished difference. Result has 424 places, 428 transitions, 903 flow [2023-11-26 12:05:23,860 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=889, PETRI_DIFFERENCE_MINUEND_PLACES=421, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=903, PETRI_PLACES=424, PETRI_TRANSITIONS=428} [2023-11-26 12:05:23,860 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -28 predicate places. [2023-11-26 12:05:23,861 INFO L495 AbstractCegarLoop]: Abstraction has has 424 places, 428 transitions, 903 flow [2023-11-26 12:05:23,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 467.3333333333333) internal successors, (1402), 3 states have internal predecessors, (1402), 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 12:05:23,862 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:23,862 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] [2023-11-26 12:05:23,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-26 12:05:23,863 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:23,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:23,863 INFO L85 PathProgramCache]: Analyzing trace with hash -757436681, now seen corresponding path program 1 times [2023-11-26 12:05:23,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:23,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075639197] [2023-11-26 12:05:23,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:23,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:23,928 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 12:05:23,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:23,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075639197] [2023-11-26 12:05:23,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075639197] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:23,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:23,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:23,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147014983] [2023-11-26 12:05:23,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:23,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:23,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:23,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:23,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:23,965 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 469 out of 495 [2023-11-26 12:05:23,968 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 424 places, 428 transitions, 903 flow. Second operand has 3 states, 3 states have (on average 470.6666666666667) internal successors, (1412), 3 states have internal predecessors, (1412), 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 12:05:23,968 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:23,968 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 469 of 495 [2023-11-26 12:05:23,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:24,177 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1328] thread2EXIT-->L100-7: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem36#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread2Thread1of1ForFork1_thidvar0_4) (= 0 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_4, ULTIMATE.start_main_#t~mem36#1=|v_ULTIMATE.start_main_#t~mem36#1_6|, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_4, ULTIMATE.start_main_#t~mem36#1=|v_ULTIMATE.start_main_#t~mem36#1_6|, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][332], [Black: 541#(not |thread1Thread1of1ForFork0_#t~short2|), 497#(= |#race~n1~0| 0), 525#(= |#race~count2~0| 0), 533#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 545#true, 399#L100-7true, 512#(= |#race~n2~0| 0), 547#(= |#race~get1~0| 0), Black: 518#true, 550#true, Black: 523#true, 520#(= |#race~count1~0| 0)]) [2023-11-26 12:05:24,177 INFO L294 olderBase$Statistics]: this new event has 209 ancestors and is not cut-off event [2023-11-26 12:05:24,177 INFO L297 olderBase$Statistics]: existing Event has 240 ancestors and is not cut-off event [2023-11-26 12:05:24,177 INFO L297 olderBase$Statistics]: existing Event has 212 ancestors and is not cut-off event [2023-11-26 12:05:24,178 INFO L297 olderBase$Statistics]: existing Event has 212 ancestors and is not cut-off event [2023-11-26 12:05:24,207 INFO L124 PetriNetUnfolderBase]: 61/966 cut-off events. [2023-11-26 12:05:24,207 INFO L125 PetriNetUnfolderBase]: For 20/26 co-relation queries the response was YES. [2023-11-26 12:05:24,215 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1081 conditions, 966 events. 61/966 cut-off events. For 20/26 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 4793 event pairs, 5 based on Foata normal form. 1/851 useless extension candidates. Maximal degree in co-relation 1023. Up to 52 conditions per place. [2023-11-26 12:05:24,218 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 12 selfloop transitions, 2 changer transitions 0/428 dead transitions. [2023-11-26 12:05:24,219 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 425 places, 428 transitions, 932 flow [2023-11-26 12:05:24,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:24,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:24,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1422 transitions. [2023-11-26 12:05:24,225 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9575757575757575 [2023-11-26 12:05:24,225 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1422 transitions. [2023-11-26 12:05:24,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1422 transitions. [2023-11-26 12:05:24,226 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:24,227 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1422 transitions. [2023-11-26 12:05:24,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 474.0) internal successors, (1422), 3 states have internal predecessors, (1422), 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 12:05:24,235 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:24,236 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:24,237 INFO L175 Difference]: Start difference. First operand has 424 places, 428 transitions, 903 flow. Second operand 3 states and 1422 transitions. [2023-11-26 12:05:24,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 425 places, 428 transitions, 932 flow [2023-11-26 12:05:24,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 428 transitions, 932 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 12:05:24,250 INFO L231 Difference]: Finished difference. Result has 425 places, 427 transitions, 905 flow [2023-11-26 12:05:24,251 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=901, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=905, PETRI_PLACES=425, PETRI_TRANSITIONS=427} [2023-11-26 12:05:24,252 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -27 predicate places. [2023-11-26 12:05:24,252 INFO L495 AbstractCegarLoop]: Abstraction has has 425 places, 427 transitions, 905 flow [2023-11-26 12:05:24,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 470.6666666666667) internal successors, (1412), 3 states have internal predecessors, (1412), 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 12:05:24,253 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:24,253 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] [2023-11-26 12:05:24,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-26 12:05:24,254 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:24,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:24,255 INFO L85 PathProgramCache]: Analyzing trace with hash -138101064, now seen corresponding path program 1 times [2023-11-26 12:05:24,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:24,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343227981] [2023-11-26 12:05:24,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:24,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:24,322 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 12:05:24,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:24,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343227981] [2023-11-26 12:05:24,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343227981] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:24,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:24,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:05:24,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353101420] [2023-11-26 12:05:24,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:24,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:24,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:24,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:24,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:24,337 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 471 out of 495 [2023-11-26 12:05:24,339 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 427 transitions, 905 flow. Second operand has 3 states, 3 states have (on average 473.0) internal successors, (1419), 3 states have internal predecessors, (1419), 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 12:05:24,340 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:24,340 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 471 of 495 [2023-11-26 12:05:24,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:24,583 INFO L124 PetriNetUnfolderBase]: 81/1061 cut-off events. [2023-11-26 12:05:24,583 INFO L125 PetriNetUnfolderBase]: For 36/38 co-relation queries the response was YES. [2023-11-26 12:05:24,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1241 conditions, 1061 events. 81/1061 cut-off events. For 36/38 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 5657 event pairs, 12 based on Foata normal form. 0/934 useless extension candidates. Maximal degree in co-relation 1219. Up to 86 conditions per place. [2023-11-26 12:05:24,599 INFO L140 encePairwiseOnDemand]: 491/495 looper letters, 11 selfloop transitions, 3 changer transitions 0/429 dead transitions. [2023-11-26 12:05:24,599 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 427 places, 429 transitions, 938 flow [2023-11-26 12:05:24,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:24,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:24,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1428 transitions. [2023-11-26 12:05:24,605 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9616161616161616 [2023-11-26 12:05:24,605 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1428 transitions. [2023-11-26 12:05:24,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1428 transitions. [2023-11-26 12:05:24,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:24,607 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1428 transitions. [2023-11-26 12:05:24,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 476.0) internal successors, (1428), 3 states have internal predecessors, (1428), 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 12:05:24,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:24,617 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:24,617 INFO L175 Difference]: Start difference. First operand has 425 places, 427 transitions, 905 flow. Second operand 3 states and 1428 transitions. [2023-11-26 12:05:24,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 427 places, 429 transitions, 938 flow [2023-11-26 12:05:24,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 429 transitions, 934 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:05:24,633 INFO L231 Difference]: Finished difference. Result has 427 places, 428 transitions, 919 flow [2023-11-26 12:05:24,633 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=901, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=919, PETRI_PLACES=427, PETRI_TRANSITIONS=428} [2023-11-26 12:05:24,634 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -25 predicate places. [2023-11-26 12:05:24,634 INFO L495 AbstractCegarLoop]: Abstraction has has 427 places, 428 transitions, 919 flow [2023-11-26 12:05:24,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 473.0) internal successors, (1419), 3 states have internal predecessors, (1419), 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 12:05:24,635 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:24,636 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 12:05:24,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-26 12:05:24,636 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread1Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:24,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:24,637 INFO L85 PathProgramCache]: Analyzing trace with hash -524879720, now seen corresponding path program 1 times [2023-11-26 12:05:24,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:24,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277779012] [2023-11-26 12:05:24,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:24,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:24,708 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 12:05:24,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:24,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277779012] [2023-11-26 12:05:24,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277779012] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:24,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:24,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:24,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459585175] [2023-11-26 12:05:24,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:24,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:24,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:24,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:24,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:24,754 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 469 out of 495 [2023-11-26 12:05:24,756 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 427 places, 428 transitions, 919 flow. Second operand has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 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 12:05:24,757 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:24,757 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 469 of 495 [2023-11-26 12:05:24,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:25,076 INFO L124 PetriNetUnfolderBase]: 75/1365 cut-off events. [2023-11-26 12:05:25,076 INFO L125 PetriNetUnfolderBase]: For 32/41 co-relation queries the response was YES. [2023-11-26 12:05:25,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1584 conditions, 1365 events. 75/1365 cut-off events. For 32/41 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 7617 event pairs, 4 based on Foata normal form. 2/1235 useless extension candidates. Maximal degree in co-relation 1524. Up to 36 conditions per place. [2023-11-26 12:05:25,095 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 12 selfloop transitions, 2 changer transitions 0/428 dead transitions. [2023-11-26 12:05:25,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 428 transitions, 948 flow [2023-11-26 12:05:25,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:25,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:25,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1422 transitions. [2023-11-26 12:05:25,101 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9575757575757575 [2023-11-26 12:05:25,101 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1422 transitions. [2023-11-26 12:05:25,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1422 transitions. [2023-11-26 12:05:25,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:25,103 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1422 transitions. [2023-11-26 12:05:25,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 474.0) internal successors, (1422), 3 states have internal predecessors, (1422), 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 12:05:25,112 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:25,113 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:25,114 INFO L175 Difference]: Start difference. First operand has 427 places, 428 transitions, 919 flow. Second operand 3 states and 1422 transitions. [2023-11-26 12:05:25,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 428 transitions, 948 flow [2023-11-26 12:05:25,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 426 places, 428 transitions, 942 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:05:25,127 INFO L231 Difference]: Finished difference. Result has 426 places, 427 transitions, 915 flow [2023-11-26 12:05:25,128 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=911, PETRI_DIFFERENCE_MINUEND_PLACES=424, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=915, PETRI_PLACES=426, PETRI_TRANSITIONS=427} [2023-11-26 12:05:25,128 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -26 predicate places. [2023-11-26 12:05:25,129 INFO L495 AbstractCegarLoop]: Abstraction has has 426 places, 427 transitions, 915 flow [2023-11-26 12:05:25,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 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 12:05:25,130 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:25,130 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] [2023-11-26 12:05:25,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-26 12:05:25,131 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:25,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:25,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1129635262, now seen corresponding path program 1 times [2023-11-26 12:05:25,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:25,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553615620] [2023-11-26 12:05:25,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:25,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:25,207 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 12:05:25,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:25,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553615620] [2023-11-26 12:05:25,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553615620] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:25,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:25,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:25,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106171056] [2023-11-26 12:05:25,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:25,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:25,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:25,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:25,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:25,231 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 466 out of 495 [2023-11-26 12:05:25,232 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 426 places, 427 transitions, 915 flow. Second operand has 3 states, 3 states have (on average 467.6666666666667) internal successors, (1403), 3 states have internal predecessors, (1403), 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 12:05:25,233 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:25,233 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 466 of 495 [2023-11-26 12:05:25,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:25,542 INFO L124 PetriNetUnfolderBase]: 106/1533 cut-off events. [2023-11-26 12:05:25,542 INFO L125 PetriNetUnfolderBase]: For 16/17 co-relation queries the response was YES. [2023-11-26 12:05:25,556 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1775 conditions, 1533 events. 106/1533 cut-off events. For 16/17 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 9326 event pairs, 12 based on Foata normal form. 0/1382 useless extension candidates. Maximal degree in co-relation 1732. Up to 94 conditions per place. [2023-11-26 12:05:25,563 INFO L140 encePairwiseOnDemand]: 489/495 looper letters, 16 selfloop transitions, 2 changer transitions 0/428 dead transitions. [2023-11-26 12:05:25,563 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 424 places, 428 transitions, 956 flow [2023-11-26 12:05:25,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:25,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:25,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1420 transitions. [2023-11-26 12:05:25,569 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9562289562289562 [2023-11-26 12:05:25,570 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1420 transitions. [2023-11-26 12:05:25,570 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1420 transitions. [2023-11-26 12:05:25,571 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:25,572 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1420 transitions. [2023-11-26 12:05:25,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 473.3333333333333) internal successors, (1420), 3 states have internal predecessors, (1420), 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 12:05:25,580 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:25,581 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:25,582 INFO L175 Difference]: Start difference. First operand has 426 places, 427 transitions, 915 flow. Second operand 3 states and 1420 transitions. [2023-11-26 12:05:25,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 424 places, 428 transitions, 956 flow [2023-11-26 12:05:25,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 428 transitions, 952 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:05:25,594 INFO L231 Difference]: Finished difference. Result has 423 places, 425 transitions, 917 flow [2023-11-26 12:05:25,595 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=903, PETRI_DIFFERENCE_MINUEND_PLACES=420, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=917, PETRI_PLACES=423, PETRI_TRANSITIONS=425} [2023-11-26 12:05:25,597 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -29 predicate places. [2023-11-26 12:05:25,597 INFO L495 AbstractCegarLoop]: Abstraction has has 423 places, 425 transitions, 917 flow [2023-11-26 12:05:25,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 467.6666666666667) internal successors, (1403), 3 states have internal predecessors, (1403), 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 12:05:25,598 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:25,598 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] [2023-11-26 12:05:25,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-26 12:05:25,599 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:25,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:25,600 INFO L85 PathProgramCache]: Analyzing trace with hash -590265114, now seen corresponding path program 1 times [2023-11-26 12:05:25,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:25,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662500154] [2023-11-26 12:05:25,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:25,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:25,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:25,976 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 12:05:25,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:25,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662500154] [2023-11-26 12:05:25,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662500154] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:25,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:25,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-26 12:05:25,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950140618] [2023-11-26 12:05:25,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:25,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 12:05:25,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:25,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 12:05:25,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-26 12:05:26,681 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 495 [2023-11-26 12:05:26,687 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 425 transitions, 917 flow. Second operand has 8 states, 8 states have (on average 451.125) internal successors, (3609), 8 states have internal predecessors, (3609), 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 12:05:26,687 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:26,687 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 495 [2023-11-26 12:05:26,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:27,444 INFO L124 PetriNetUnfolderBase]: 132/2198 cut-off events. [2023-11-26 12:05:27,444 INFO L125 PetriNetUnfolderBase]: For 13/30 co-relation queries the response was YES. [2023-11-26 12:05:27,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2615 conditions, 2198 events. 132/2198 cut-off events. For 13/30 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 15255 event pairs, 21 based on Foata normal form. 4/2002 useless extension candidates. Maximal degree in co-relation 2553. Up to 100 conditions per place. [2023-11-26 12:05:27,476 INFO L140 encePairwiseOnDemand]: 480/495 looper letters, 46 selfloop transitions, 16 changer transitions 0/451 dead transitions. [2023-11-26 12:05:27,476 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 451 transitions, 1105 flow [2023-11-26 12:05:27,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-26 12:05:27,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-26 12:05:27,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4990 transitions. [2023-11-26 12:05:27,498 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9164370982552801 [2023-11-26 12:05:27,498 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 4990 transitions. [2023-11-26 12:05:27,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 4990 transitions. [2023-11-26 12:05:27,503 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:27,503 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 4990 transitions. [2023-11-26 12:05:27,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 453.6363636363636) internal successors, (4990), 11 states have internal predecessors, (4990), 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 12:05:27,537 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 495.0) internal successors, (5940), 12 states have internal predecessors, (5940), 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 12:05:27,540 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 495.0) internal successors, (5940), 12 states have internal predecessors, (5940), 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 12:05:27,540 INFO L175 Difference]: Start difference. First operand has 423 places, 425 transitions, 917 flow. Second operand 11 states and 4990 transitions. [2023-11-26 12:05:27,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 433 places, 451 transitions, 1105 flow [2023-11-26 12:05:27,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 433 places, 451 transitions, 1105 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 12:05:27,557 INFO L231 Difference]: Finished difference. Result has 438 places, 434 transitions, 1001 flow [2023-11-26 12:05:27,558 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=917, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=411, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1001, PETRI_PLACES=438, PETRI_TRANSITIONS=434} [2023-11-26 12:05:27,559 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -14 predicate places. [2023-11-26 12:05:27,559 INFO L495 AbstractCegarLoop]: Abstraction has has 438 places, 434 transitions, 1001 flow [2023-11-26 12:05:27,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 451.125) internal successors, (3609), 8 states have internal predecessors, (3609), 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 12:05:27,561 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:27,561 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] [2023-11-26 12:05:27,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-26 12:05:27,562 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:27,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:27,563 INFO L85 PathProgramCache]: Analyzing trace with hash -591240277, now seen corresponding path program 1 times [2023-11-26 12:05:27,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:27,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126250941] [2023-11-26 12:05:27,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:27,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:27,652 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 12:05:27,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:27,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126250941] [2023-11-26 12:05:27,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126250941] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:27,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:27,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:27,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055159850] [2023-11-26 12:05:27,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:27,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:27,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:27,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:27,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:27,691 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 469 out of 495 [2023-11-26 12:05:27,693 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 434 transitions, 1001 flow. Second operand has 3 states, 3 states have (on average 470.6666666666667) internal successors, (1412), 3 states have internal predecessors, (1412), 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 12:05:27,694 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:27,694 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 469 of 495 [2023-11-26 12:05:27,694 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:28,261 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1328] thread2EXIT-->L100-7: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem36#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread2Thread1of1ForFork1_thidvar0_4) (= 0 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_4, ULTIMATE.start_main_#t~mem36#1=|v_ULTIMATE.start_main_#t~mem36#1_6|, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_4, ULTIMATE.start_main_#t~mem36#1=|v_ULTIMATE.start_main_#t~mem36#1_6|, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][308], [Black: 541#(not |thread1Thread1of1ForFork0_#t~short2|), 569#true, 533#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), Black: 545#true, 399#L100-7true, Black: 518#true, 595#true, Black: 556#(not |thread2Thread1of1ForFork1_#t~short11|), Black: 588#(and (<= ~n1~0 0) (= thread1Thread1of1ForFork0_~i~0 0) (not |thread1Thread1of1ForFork0_#t~short2|)), Black: 582#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~2#1| 0) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 523#true, 497#(= |#race~n1~0| 0), Black: 574#(<= ~n1~0 0), Black: 575#(and (<= ~n1~0 0) (= thread1Thread1of1ForFork0_~i~0 0)), Black: 580#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~2#1| 0) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), 525#(= |#race~count2~0| 0), Black: 564#true, 512#(= |#race~n2~0| 0), 547#(= |#race~get1~0| 0), 566#(= |#race~get2~0| 0), 520#(= |#race~count1~0| 0)]) [2023-11-26 12:05:28,261 INFO L294 olderBase$Statistics]: this new event has 258 ancestors and is cut-off event [2023-11-26 12:05:28,262 INFO L297 olderBase$Statistics]: existing Event has 227 ancestors and is cut-off event [2023-11-26 12:05:28,262 INFO L297 olderBase$Statistics]: existing Event has 227 ancestors and is cut-off event [2023-11-26 12:05:28,262 INFO L297 olderBase$Statistics]: existing Event has 227 ancestors and is cut-off event [2023-11-26 12:05:28,273 INFO L124 PetriNetUnfolderBase]: 114/1756 cut-off events. [2023-11-26 12:05:28,273 INFO L125 PetriNetUnfolderBase]: For 44/58 co-relation queries the response was YES. [2023-11-26 12:05:28,294 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2125 conditions, 1756 events. 114/1756 cut-off events. For 44/58 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 11089 event pairs, 9 based on Foata normal form. 3/1602 useless extension candidates. Maximal degree in co-relation 2056. Up to 96 conditions per place. [2023-11-26 12:05:28,302 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 12 selfloop transitions, 2 changer transitions 0/434 dead transitions. [2023-11-26 12:05:28,302 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 439 places, 434 transitions, 1030 flow [2023-11-26 12:05:28,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:28,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:28,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1422 transitions. [2023-11-26 12:05:28,309 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9575757575757575 [2023-11-26 12:05:28,310 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1422 transitions. [2023-11-26 12:05:28,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1422 transitions. [2023-11-26 12:05:28,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:28,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1422 transitions. [2023-11-26 12:05:28,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 474.0) internal successors, (1422), 3 states have internal predecessors, (1422), 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 12:05:28,321 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:28,322 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:28,322 INFO L175 Difference]: Start difference. First operand has 438 places, 434 transitions, 1001 flow. Second operand 3 states and 1422 transitions. [2023-11-26 12:05:28,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 439 places, 434 transitions, 1030 flow [2023-11-26 12:05:28,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 438 places, 434 transitions, 1026 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 12:05:28,338 INFO L231 Difference]: Finished difference. Result has 438 places, 433 transitions, 999 flow [2023-11-26 12:05:28,340 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=995, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=433, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=431, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=999, PETRI_PLACES=438, PETRI_TRANSITIONS=433} [2023-11-26 12:05:28,341 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -14 predicate places. [2023-11-26 12:05:28,341 INFO L495 AbstractCegarLoop]: Abstraction has has 438 places, 433 transitions, 999 flow [2023-11-26 12:05:28,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 470.6666666666667) internal successors, (1412), 3 states have internal predecessors, (1412), 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 12:05:28,342 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:28,342 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] [2023-11-26 12:05:28,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-26 12:05:28,343 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:28,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:28,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1647525028, now seen corresponding path program 1 times [2023-11-26 12:05:28,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:28,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850526324] [2023-11-26 12:05:28,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:28,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:28,668 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 12:05:28,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:28,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850526324] [2023-11-26 12:05:28,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850526324] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:28,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:28,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-26 12:05:28,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976528789] [2023-11-26 12:05:28,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:28,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 12:05:28,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:28,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 12:05:28,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-26 12:05:29,437 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 495 [2023-11-26 12:05:29,442 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 438 places, 433 transitions, 999 flow. Second operand has 8 states, 8 states have (on average 451.25) internal successors, (3610), 8 states have internal predecessors, (3610), 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 12:05:29,442 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:29,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 495 [2023-11-26 12:05:29,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:29,978 INFO L124 PetriNetUnfolderBase]: 123/1473 cut-off events. [2023-11-26 12:05:29,979 INFO L125 PetriNetUnfolderBase]: For 68/71 co-relation queries the response was YES. [2023-11-26 12:05:29,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1934 conditions, 1473 events. 123/1473 cut-off events. For 68/71 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 8712 event pairs, 22 based on Foata normal form. 0/1344 useless extension candidates. Maximal degree in co-relation 1864. Up to 159 conditions per place. [2023-11-26 12:05:30,000 INFO L140 encePairwiseOnDemand]: 479/495 looper letters, 48 selfloop transitions, 17 changer transitions 0/457 dead transitions. [2023-11-26 12:05:30,000 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 448 places, 457 transitions, 1191 flow [2023-11-26 12:05:30,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-26 12:05:30,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-26 12:05:30,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4992 transitions. [2023-11-26 12:05:30,018 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9168044077134986 [2023-11-26 12:05:30,018 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 4992 transitions. [2023-11-26 12:05:30,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 4992 transitions. [2023-11-26 12:05:30,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:30,021 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 4992 transitions. [2023-11-26 12:05:30,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 453.8181818181818) internal successors, (4992), 11 states have internal predecessors, (4992), 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 12:05:30,049 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 495.0) internal successors, (5940), 12 states have internal predecessors, (5940), 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 12:05:30,051 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 495.0) internal successors, (5940), 12 states have internal predecessors, (5940), 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 12:05:30,052 INFO L175 Difference]: Start difference. First operand has 438 places, 433 transitions, 999 flow. Second operand 11 states and 4992 transitions. [2023-11-26 12:05:30,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 448 places, 457 transitions, 1191 flow [2023-11-26 12:05:30,058 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 457 transitions, 1187 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:05:30,067 INFO L231 Difference]: Finished difference. Result has 449 places, 438 transitions, 1068 flow [2023-11-26 12:05:30,068 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=995, PETRI_DIFFERENCE_MINUEND_PLACES=436, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=433, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1068, PETRI_PLACES=449, PETRI_TRANSITIONS=438} [2023-11-26 12:05:30,068 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -3 predicate places. [2023-11-26 12:05:30,069 INFO L495 AbstractCegarLoop]: Abstraction has has 449 places, 438 transitions, 1068 flow [2023-11-26 12:05:30,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 451.25) internal successors, (3610), 8 states have internal predecessors, (3610), 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 12:05:30,070 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:30,071 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] [2023-11-26 12:05:30,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-26 12:05:30,071 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:30,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:30,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1029379726, now seen corresponding path program 1 times [2023-11-26 12:05:30,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:30,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721795548] [2023-11-26 12:05:30,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:30,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:30,892 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 12:05:30,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:30,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721795548] [2023-11-26 12:05:30,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721795548] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:30,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:30,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:05:30,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511941398] [2023-11-26 12:05:30,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:30,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:05:30,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:30,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:05:30,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:05:31,661 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 461 out of 495 [2023-11-26 12:05:31,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 449 places, 438 transitions, 1068 flow. Second operand has 6 states, 6 states have (on average 462.6666666666667) internal successors, (2776), 6 states have internal predecessors, (2776), 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 12:05:31,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:31,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 461 of 495 [2023-11-26 12:05:31,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:31,984 INFO L124 PetriNetUnfolderBase]: 67/1285 cut-off events. [2023-11-26 12:05:31,984 INFO L125 PetriNetUnfolderBase]: For 52/61 co-relation queries the response was YES. [2023-11-26 12:05:31,998 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1606 conditions, 1285 events. 67/1285 cut-off events. For 52/61 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6479 event pairs, 0 based on Foata normal form. 4/1200 useless extension candidates. Maximal degree in co-relation 1530. Up to 31 conditions per place. [2023-11-26 12:05:32,004 INFO L140 encePairwiseOnDemand]: 490/495 looper letters, 15 selfloop transitions, 4 changer transitions 0/437 dead transitions. [2023-11-26 12:05:32,004 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 437 transitions, 1104 flow [2023-11-26 12:05:32,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:05:32,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 12:05:32,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2786 transitions. [2023-11-26 12:05:32,014 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.938047138047138 [2023-11-26 12:05:32,014 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2786 transitions. [2023-11-26 12:05:32,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2786 transitions. [2023-11-26 12:05:32,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:32,016 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2786 transitions. [2023-11-26 12:05:32,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 464.3333333333333) internal successors, (2786), 6 states have internal predecessors, (2786), 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 12:05:32,028 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 495.0) internal successors, (3465), 7 states have internal predecessors, (3465), 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 12:05:32,030 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 495.0) internal successors, (3465), 7 states have internal predecessors, (3465), 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 12:05:32,030 INFO L175 Difference]: Start difference. First operand has 449 places, 438 transitions, 1068 flow. Second operand 6 states and 2786 transitions. [2023-11-26 12:05:32,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 437 transitions, 1104 flow [2023-11-26 12:05:32,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 437 transitions, 1083 flow, removed 0 selfloop flow, removed 7 redundant places. [2023-11-26 12:05:32,043 INFO L231 Difference]: Finished difference. Result has 446 places, 437 transitions, 1053 flow [2023-11-26 12:05:32,044 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=1045, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=433, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1053, PETRI_PLACES=446, PETRI_TRANSITIONS=437} [2023-11-26 12:05:32,046 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -6 predicate places. [2023-11-26 12:05:32,046 INFO L495 AbstractCegarLoop]: Abstraction has has 446 places, 437 transitions, 1053 flow [2023-11-26 12:05:32,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 462.6666666666667) internal successors, (2776), 6 states have internal predecessors, (2776), 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 12:05:32,048 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:32,048 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] [2023-11-26 12:05:32,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-26 12:05:32,049 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:32,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:32,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1138362446, now seen corresponding path program 1 times [2023-11-26 12:05:32,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:32,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703027555] [2023-11-26 12:05:32,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:32,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:32,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:05:32,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:32,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703027555] [2023-11-26 12:05:32,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703027555] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:32,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:32,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-26 12:05:32,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997241568] [2023-11-26 12:05:32,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:32,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 12:05:32,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:32,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 12:05:32,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-26 12:05:33,013 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 495 [2023-11-26 12:05:33,017 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 446 places, 437 transitions, 1053 flow. Second operand has 8 states, 8 states have (on average 451.25) internal successors, (3610), 8 states have internal predecessors, (3610), 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 12:05:33,018 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:33,018 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 495 [2023-11-26 12:05:33,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:33,922 INFO L124 PetriNetUnfolderBase]: 189/2896 cut-off events. [2023-11-26 12:05:33,922 INFO L125 PetriNetUnfolderBase]: For 161/186 co-relation queries the response was YES. [2023-11-26 12:05:33,956 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3792 conditions, 2896 events. 189/2896 cut-off events. For 161/186 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 21691 event pairs, 28 based on Foata normal form. 2/2700 useless extension candidates. Maximal degree in co-relation 3717. Up to 129 conditions per place. [2023-11-26 12:05:33,966 INFO L140 encePairwiseOnDemand]: 479/495 looper letters, 49 selfloop transitions, 20 changer transitions 0/461 dead transitions. [2023-11-26 12:05:33,967 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 456 places, 461 transitions, 1281 flow [2023-11-26 12:05:33,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-26 12:05:33,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-26 12:05:33,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4983 transitions. [2023-11-26 12:05:33,983 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9151515151515152 [2023-11-26 12:05:33,983 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 4983 transitions. [2023-11-26 12:05:33,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 4983 transitions. [2023-11-26 12:05:33,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:33,987 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 4983 transitions. [2023-11-26 12:05:33,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 453.0) internal successors, (4983), 11 states have internal predecessors, (4983), 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 12:05:34,008 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 495.0) internal successors, (5940), 12 states have internal predecessors, (5940), 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 12:05:34,010 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 495.0) internal successors, (5940), 12 states have internal predecessors, (5940), 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 12:05:34,011 INFO L175 Difference]: Start difference. First operand has 446 places, 437 transitions, 1053 flow. Second operand 11 states and 4983 transitions. [2023-11-26 12:05:34,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 456 places, 461 transitions, 1281 flow [2023-11-26 12:05:34,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 461 transitions, 1274 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 12:05:34,027 INFO L231 Difference]: Finished difference. Result has 457 places, 450 transitions, 1184 flow [2023-11-26 12:05:34,028 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=1046, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=419, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1184, PETRI_PLACES=457, PETRI_TRANSITIONS=450} [2023-11-26 12:05:34,029 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, 5 predicate places. [2023-11-26 12:05:34,029 INFO L495 AbstractCegarLoop]: Abstraction has has 457 places, 450 transitions, 1184 flow [2023-11-26 12:05:34,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 451.25) internal successors, (3610), 8 states have internal predecessors, (3610), 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 12:05:34,031 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:34,032 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:05:34,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-26 12:05:34,032 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:34,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:34,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1355700624, now seen corresponding path program 1 times [2023-11-26 12:05:34,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:34,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50679122] [2023-11-26 12:05:34,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:34,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:34,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-26 12:05:34,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:34,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50679122] [2023-11-26 12:05:34,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50679122] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:34,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:34,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-26 12:05:34,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144051766] [2023-11-26 12:05:34,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:34,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 12:05:34,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:34,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 12:05:34,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-26 12:05:34,979 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 448 out of 495 [2023-11-26 12:05:34,983 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 450 transitions, 1184 flow. Second operand has 8 states, 8 states have (on average 451.375) internal successors, (3611), 8 states have internal predecessors, (3611), 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 12:05:34,983 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:34,983 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 448 of 495 [2023-11-26 12:05:34,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:35,597 INFO L124 PetriNetUnfolderBase]: 162/2015 cut-off events. [2023-11-26 12:05:35,598 INFO L125 PetriNetUnfolderBase]: For 262/267 co-relation queries the response was YES. [2023-11-26 12:05:35,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2831 conditions, 2015 events. 162/2015 cut-off events. For 262/267 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 13584 event pairs, 31 based on Foata normal form. 8/1877 useless extension candidates. Maximal degree in co-relation 2748. Up to 213 conditions per place. [2023-11-26 12:05:35,628 INFO L140 encePairwiseOnDemand]: 480/495 looper letters, 48 selfloop transitions, 19 changer transitions 0/466 dead transitions. [2023-11-26 12:05:35,629 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 467 places, 466 transitions, 1390 flow [2023-11-26 12:05:35,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-26 12:05:35,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-26 12:05:35,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 4981 transitions. [2023-11-26 12:05:35,638 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9147842056932965 [2023-11-26 12:05:35,638 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 4981 transitions. [2023-11-26 12:05:35,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 4981 transitions. [2023-11-26 12:05:35,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:35,642 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 4981 transitions. [2023-11-26 12:05:35,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 452.8181818181818) internal successors, (4981), 11 states have internal predecessors, (4981), 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 12:05:35,662 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 495.0) internal successors, (5940), 12 states have internal predecessors, (5940), 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 12:05:35,664 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 495.0) internal successors, (5940), 12 states have internal predecessors, (5940), 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 12:05:35,664 INFO L175 Difference]: Start difference. First operand has 457 places, 450 transitions, 1184 flow. Second operand 11 states and 4981 transitions. [2023-11-26 12:05:35,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 467 places, 466 transitions, 1390 flow [2023-11-26 12:05:35,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 466 places, 466 transitions, 1386 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 12:05:35,680 INFO L231 Difference]: Finished difference. Result has 469 places, 457 transitions, 1287 flow [2023-11-26 12:05:35,681 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=1180, PETRI_DIFFERENCE_MINUEND_PLACES=456, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=450, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=431, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1287, PETRI_PLACES=469, PETRI_TRANSITIONS=457} [2023-11-26 12:05:35,682 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, 17 predicate places. [2023-11-26 12:05:35,682 INFO L495 AbstractCegarLoop]: Abstraction has has 469 places, 457 transitions, 1287 flow [2023-11-26 12:05:35,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 451.375) internal successors, (3611), 8 states have internal predecessors, (3611), 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 12:05:35,684 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:35,685 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] [2023-11-26 12:05:35,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-26 12:05:35,685 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:35,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:35,686 INFO L85 PathProgramCache]: Analyzing trace with hash -91454048, now seen corresponding path program 1 times [2023-11-26 12:05:35,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:35,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413609282] [2023-11-26 12:05:35,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:35,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:36,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 12:05:36,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:36,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413609282] [2023-11-26 12:05:36,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413609282] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:36,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:36,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:05:36,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864238812] [2023-11-26 12:05:36,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:36,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:05:36,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:36,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:05:36,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:05:37,268 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 454 out of 495 [2023-11-26 12:05:37,271 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 469 places, 457 transitions, 1287 flow. Second operand has 6 states, 6 states have (on average 456.8333333333333) internal successors, (2741), 6 states have internal predecessors, (2741), 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 12:05:37,271 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:37,271 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 454 of 495 [2023-11-26 12:05:37,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:37,849 INFO L124 PetriNetUnfolderBase]: 152/2497 cut-off events. [2023-11-26 12:05:37,850 INFO L125 PetriNetUnfolderBase]: For 399/399 co-relation queries the response was YES. [2023-11-26 12:05:37,868 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3486 conditions, 2497 events. 152/2497 cut-off events. For 399/399 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 17562 event pairs, 10 based on Foata normal form. 0/2340 useless extension candidates. Maximal degree in co-relation 3399. Up to 83 conditions per place. [2023-11-26 12:05:37,875 INFO L140 encePairwiseOnDemand]: 487/495 looper letters, 32 selfloop transitions, 6 changer transitions 0/460 dead transitions. [2023-11-26 12:05:37,875 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 472 places, 460 transitions, 1377 flow [2023-11-26 12:05:37,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:05:37,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 12:05:37,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2758 transitions. [2023-11-26 12:05:37,881 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9286195286195286 [2023-11-26 12:05:37,881 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2758 transitions. [2023-11-26 12:05:37,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2758 transitions. [2023-11-26 12:05:37,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:37,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2758 transitions. [2023-11-26 12:05:37,891 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 459.6666666666667) internal successors, (2758), 6 states have internal predecessors, (2758), 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 12:05:37,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 495.0) internal successors, (3465), 7 states have internal predecessors, (3465), 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 12:05:37,898 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 495.0) internal successors, (3465), 7 states have internal predecessors, (3465), 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 12:05:37,898 INFO L175 Difference]: Start difference. First operand has 469 places, 457 transitions, 1287 flow. Second operand 6 states and 2758 transitions. [2023-11-26 12:05:37,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 472 places, 460 transitions, 1377 flow [2023-11-26 12:05:37,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 465 places, 460 transitions, 1356 flow, removed 0 selfloop flow, removed 7 redundant places. [2023-11-26 12:05:37,915 INFO L231 Difference]: Finished difference. Result has 466 places, 456 transitions, 1285 flow [2023-11-26 12:05:37,916 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=1262, PETRI_DIFFERENCE_MINUEND_PLACES=460, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=455, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=449, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1285, PETRI_PLACES=466, PETRI_TRANSITIONS=456} [2023-11-26 12:05:37,917 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, 14 predicate places. [2023-11-26 12:05:37,917 INFO L495 AbstractCegarLoop]: Abstraction has has 466 places, 456 transitions, 1285 flow [2023-11-26 12:05:37,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 456.8333333333333) internal successors, (2741), 6 states have internal predecessors, (2741), 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 12:05:37,918 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:37,919 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] [2023-11-26 12:05:37,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-26 12:05:37,919 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:37,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:37,920 INFO L85 PathProgramCache]: Analyzing trace with hash 96831966, now seen corresponding path program 1 times [2023-11-26 12:05:37,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:37,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211967755] [2023-11-26 12:05:37,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:37,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:38,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 12:05:38,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:38,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211967755] [2023-11-26 12:05:38,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211967755] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:38,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:38,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:05:38,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646597223] [2023-11-26 12:05:38,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:38,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:05:38,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:38,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:05:38,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:05:39,390 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 454 out of 495 [2023-11-26 12:05:39,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 456 transitions, 1285 flow. Second operand has 6 states, 6 states have (on average 457.0) internal successors, (2742), 6 states have internal predecessors, (2742), 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 12:05:39,393 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:39,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 454 of 495 [2023-11-26 12:05:39,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:39,930 INFO L124 PetriNetUnfolderBase]: 141/1983 cut-off events. [2023-11-26 12:05:39,930 INFO L125 PetriNetUnfolderBase]: For 418/423 co-relation queries the response was YES. [2023-11-26 12:05:39,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2859 conditions, 1983 events. 141/1983 cut-off events. For 418/423 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 12931 event pairs, 11 based on Foata normal form. 0/1865 useless extension candidates. Maximal degree in co-relation 2772. Up to 111 conditions per place. [2023-11-26 12:05:39,954 INFO L140 encePairwiseOnDemand]: 487/495 looper letters, 32 selfloop transitions, 6 changer transitions 0/459 dead transitions. [2023-11-26 12:05:39,954 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 459 transitions, 1375 flow [2023-11-26 12:05:39,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:05:39,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 12:05:39,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2758 transitions. [2023-11-26 12:05:39,960 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9286195286195286 [2023-11-26 12:05:39,960 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2758 transitions. [2023-11-26 12:05:39,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2758 transitions. [2023-11-26 12:05:39,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:39,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2758 transitions. [2023-11-26 12:05:39,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 459.6666666666667) internal successors, (2758), 6 states have internal predecessors, (2758), 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 12:05:39,973 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 495.0) internal successors, (3465), 7 states have internal predecessors, (3465), 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 12:05:39,975 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 495.0) internal successors, (3465), 7 states have internal predecessors, (3465), 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 12:05:39,975 INFO L175 Difference]: Start difference. First operand has 466 places, 456 transitions, 1285 flow. Second operand 6 states and 2758 transitions. [2023-11-26 12:05:39,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 459 transitions, 1375 flow [2023-11-26 12:05:39,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 465 places, 459 transitions, 1362 flow, removed 2 selfloop flow, removed 4 redundant places. [2023-11-26 12:05:39,995 INFO L231 Difference]: Finished difference. Result has 466 places, 455 transitions, 1291 flow [2023-11-26 12:05:39,996 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=1268, PETRI_DIFFERENCE_MINUEND_PLACES=460, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1291, PETRI_PLACES=466, PETRI_TRANSITIONS=455} [2023-11-26 12:05:39,996 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, 14 predicate places. [2023-11-26 12:05:39,997 INFO L495 AbstractCegarLoop]: Abstraction has has 466 places, 455 transitions, 1291 flow [2023-11-26 12:05:39,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 457.0) internal successors, (2742), 6 states have internal predecessors, (2742), 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 12:05:39,998 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:39,998 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] [2023-11-26 12:05:39,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-26 12:05:39,999 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:40,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:40,000 INFO L85 PathProgramCache]: Analyzing trace with hash 885753521, now seen corresponding path program 1 times [2023-11-26 12:05:40,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:40,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532457321] [2023-11-26 12:05:40,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:40,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:40,095 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 12:05:40,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:40,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532457321] [2023-11-26 12:05:40,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532457321] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:40,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:40,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:05:40,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388727282] [2023-11-26 12:05:40,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:40,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:40,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:40,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:40,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:40,117 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 471 out of 495 [2023-11-26 12:05:40,119 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 455 transitions, 1291 flow. Second operand has 3 states, 3 states have (on average 474.3333333333333) internal successors, (1423), 3 states have internal predecessors, (1423), 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 12:05:40,119 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:40,119 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 471 of 495 [2023-11-26 12:05:40,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:41,003 INFO L124 PetriNetUnfolderBase]: 145/2780 cut-off events. [2023-11-26 12:05:41,004 INFO L125 PetriNetUnfolderBase]: For 385/388 co-relation queries the response was YES. [2023-11-26 12:05:41,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3777 conditions, 2780 events. 145/2780 cut-off events. For 385/388 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 20605 event pairs, 13 based on Foata normal form. 1/2599 useless extension candidates. Maximal degree in co-relation 3686. Up to 76 conditions per place. [2023-11-26 12:05:41,039 INFO L140 encePairwiseOnDemand]: 491/495 looper letters, 15 selfloop transitions, 2 changer transitions 0/460 dead transitions. [2023-11-26 12:05:41,039 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 468 places, 460 transitions, 1338 flow [2023-11-26 12:05:41,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:41,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:41,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1432 transitions. [2023-11-26 12:05:41,047 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9643097643097643 [2023-11-26 12:05:41,047 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1432 transitions. [2023-11-26 12:05:41,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1432 transitions. [2023-11-26 12:05:41,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:41,049 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1432 transitions. [2023-11-26 12:05:41,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 477.3333333333333) internal successors, (1432), 3 states have internal predecessors, (1432), 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 12:05:41,069 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:41,071 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:41,071 INFO L175 Difference]: Start difference. First operand has 466 places, 455 transitions, 1291 flow. Second operand 3 states and 1432 transitions. [2023-11-26 12:05:41,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 468 places, 460 transitions, 1338 flow [2023-11-26 12:05:41,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 464 places, 460 transitions, 1325 flow, removed 2 selfloop flow, removed 4 redundant places. [2023-11-26 12:05:41,091 INFO L231 Difference]: Finished difference. Result has 466 places, 457 transitions, 1298 flow [2023-11-26 12:05:41,092 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=1278, PETRI_DIFFERENCE_MINUEND_PLACES=462, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=455, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=453, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1298, PETRI_PLACES=466, PETRI_TRANSITIONS=457} [2023-11-26 12:05:41,097 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, 14 predicate places. [2023-11-26 12:05:41,097 INFO L495 AbstractCegarLoop]: Abstraction has has 466 places, 457 transitions, 1298 flow [2023-11-26 12:05:41,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 474.3333333333333) internal successors, (1423), 3 states have internal predecessors, (1423), 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 12:05:41,097 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:41,098 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] [2023-11-26 12:05:41,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-26 12:05:41,098 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:41,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:41,098 INFO L85 PathProgramCache]: Analyzing trace with hash -191647892, now seen corresponding path program 1 times [2023-11-26 12:05:41,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:41,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953860103] [2023-11-26 12:05:41,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:41,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:41,178 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 12:05:41,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:41,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953860103] [2023-11-26 12:05:41,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953860103] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:41,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:41,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:41,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034269774] [2023-11-26 12:05:41,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:41,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:41,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:41,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:41,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:41,206 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 467 out of 495 [2023-11-26 12:05:41,208 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 457 transitions, 1298 flow. Second operand has 3 states, 3 states have (on average 469.0) internal successors, (1407), 3 states have internal predecessors, (1407), 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 12:05:41,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:41,208 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 467 of 495 [2023-11-26 12:05:41,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:41,961 INFO L124 PetriNetUnfolderBase]: 137/2914 cut-off events. [2023-11-26 12:05:41,961 INFO L125 PetriNetUnfolderBase]: For 400/411 co-relation queries the response was YES. [2023-11-26 12:05:41,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4008 conditions, 2914 events. 137/2914 cut-off events. For 400/411 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 22254 event pairs, 20 based on Foata normal form. 0/2789 useless extension candidates. Maximal degree in co-relation 3920. Up to 91 conditions per place. [2023-11-26 12:05:42,004 INFO L140 encePairwiseOnDemand]: 491/495 looper letters, 12 selfloop transitions, 1 changer transitions 0/454 dead transitions. [2023-11-26 12:05:42,004 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 454 transitions, 1318 flow [2023-11-26 12:05:42,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:42,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:42,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1417 transitions. [2023-11-26 12:05:42,007 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9542087542087542 [2023-11-26 12:05:42,008 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1417 transitions. [2023-11-26 12:05:42,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1417 transitions. [2023-11-26 12:05:42,009 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:42,009 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1417 transitions. [2023-11-26 12:05:42,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 472.3333333333333) internal successors, (1417), 3 states have internal predecessors, (1417), 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 12:05:42,014 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:42,014 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:42,014 INFO L175 Difference]: Start difference. First operand has 466 places, 457 transitions, 1298 flow. Second operand 3 states and 1417 transitions. [2023-11-26 12:05:42,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 465 places, 454 transitions, 1318 flow [2023-11-26 12:05:42,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 464 places, 454 transitions, 1316 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 12:05:42,032 INFO L231 Difference]: Finished difference. Result has 464 places, 454 transitions, 1292 flow [2023-11-26 12:05:42,033 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=1290, PETRI_DIFFERENCE_MINUEND_PLACES=462, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=454, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=453, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1292, PETRI_PLACES=464, PETRI_TRANSITIONS=454} [2023-11-26 12:05:42,035 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, 12 predicate places. [2023-11-26 12:05:42,036 INFO L495 AbstractCegarLoop]: Abstraction has has 464 places, 454 transitions, 1292 flow [2023-11-26 12:05:42,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 469.0) internal successors, (1407), 3 states have internal predecessors, (1407), 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 12:05:42,036 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:42,037 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] [2023-11-26 12:05:42,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-26 12:05:42,037 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:42,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:42,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1937935034, now seen corresponding path program 1 times [2023-11-26 12:05:42,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:42,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985452556] [2023-11-26 12:05:42,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:42,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:42,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:42,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 12:05:42,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:42,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985452556] [2023-11-26 12:05:42,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985452556] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:42,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:42,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:05:42,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352748096] [2023-11-26 12:05:42,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:42,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:05:42,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:42,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:05:42,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:05:43,388 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 454 out of 495 [2023-11-26 12:05:43,389 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 454 transitions, 1292 flow. Second operand has 6 states, 6 states have (on average 456.8333333333333) internal successors, (2741), 6 states have internal predecessors, (2741), 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 12:05:43,390 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:43,390 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 454 of 495 [2023-11-26 12:05:43,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:44,195 INFO L124 PetriNetUnfolderBase]: 151/2934 cut-off events. [2023-11-26 12:05:44,195 INFO L125 PetriNetUnfolderBase]: For 468/473 co-relation queries the response was YES. [2023-11-26 12:05:44,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4092 conditions, 2934 events. 151/2934 cut-off events. For 468/473 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 22566 event pairs, 18 based on Foata normal form. 0/2776 useless extension candidates. Maximal degree in co-relation 4003. Up to 111 conditions per place. [2023-11-26 12:05:44,224 INFO L140 encePairwiseOnDemand]: 487/495 looper letters, 32 selfloop transitions, 6 changer transitions 0/456 dead transitions. [2023-11-26 12:05:44,224 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 467 places, 456 transitions, 1376 flow [2023-11-26 12:05:44,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:05:44,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 12:05:44,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2758 transitions. [2023-11-26 12:05:44,231 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9286195286195286 [2023-11-26 12:05:44,232 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2758 transitions. [2023-11-26 12:05:44,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2758 transitions. [2023-11-26 12:05:44,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:44,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2758 transitions. [2023-11-26 12:05:44,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 459.6666666666667) internal successors, (2758), 6 states have internal predecessors, (2758), 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 12:05:44,246 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 495.0) internal successors, (3465), 7 states have internal predecessors, (3465), 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 12:05:44,247 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 495.0) internal successors, (3465), 7 states have internal predecessors, (3465), 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 12:05:44,247 INFO L175 Difference]: Start difference. First operand has 464 places, 454 transitions, 1292 flow. Second operand 6 states and 2758 transitions. [2023-11-26 12:05:44,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 467 places, 456 transitions, 1376 flow [2023-11-26 12:05:44,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 466 places, 456 transitions, 1375 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 12:05:44,269 INFO L231 Difference]: Finished difference. Result has 466 places, 452 transitions, 1299 flow [2023-11-26 12:05:44,270 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=1287, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=452, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=446, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1299, PETRI_PLACES=466, PETRI_TRANSITIONS=452} [2023-11-26 12:05:44,270 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, 14 predicate places. [2023-11-26 12:05:44,271 INFO L495 AbstractCegarLoop]: Abstraction has has 466 places, 452 transitions, 1299 flow [2023-11-26 12:05:44,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 456.8333333333333) internal successors, (2741), 6 states have internal predecessors, (2741), 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 12:05:44,271 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:44,272 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] [2023-11-26 12:05:44,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-26 12:05:44,272 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:44,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:44,273 INFO L85 PathProgramCache]: Analyzing trace with hash 2143243319, now seen corresponding path program 1 times [2023-11-26 12:05:44,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:44,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347660893] [2023-11-26 12:05:44,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:44,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:44,353 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 12:05:44,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:44,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347660893] [2023-11-26 12:05:44,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347660893] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:44,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:44,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:05:44,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704850792] [2023-11-26 12:05:44,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:44,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:44,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:44,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:44,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:44,369 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 471 out of 495 [2023-11-26 12:05:44,371 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 452 transitions, 1299 flow. Second operand has 3 states, 3 states have (on average 474.3333333333333) internal successors, (1423), 3 states have internal predecessors, (1423), 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 12:05:44,371 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:44,371 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 471 of 495 [2023-11-26 12:05:44,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:44,901 INFO L124 PetriNetUnfolderBase]: 139/2711 cut-off events. [2023-11-26 12:05:44,902 INFO L125 PetriNetUnfolderBase]: For 445/453 co-relation queries the response was YES. [2023-11-26 12:05:44,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3828 conditions, 2711 events. 139/2711 cut-off events. For 445/453 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 19963 event pairs, 13 based on Foata normal form. 0/2573 useless extension candidates. Maximal degree in co-relation 3736. Up to 72 conditions per place. [2023-11-26 12:05:44,929 INFO L140 encePairwiseOnDemand]: 491/495 looper letters, 17 selfloop transitions, 2 changer transitions 0/457 dead transitions. [2023-11-26 12:05:44,930 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 468 places, 457 transitions, 1354 flow [2023-11-26 12:05:44,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:44,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:44,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1432 transitions. [2023-11-26 12:05:44,933 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9643097643097643 [2023-11-26 12:05:44,933 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1432 transitions. [2023-11-26 12:05:44,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1432 transitions. [2023-11-26 12:05:44,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:44,934 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1432 transitions. [2023-11-26 12:05:44,937 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 477.3333333333333) internal successors, (1432), 3 states have internal predecessors, (1432), 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 12:05:44,940 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:44,941 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:44,941 INFO L175 Difference]: Start difference. First operand has 466 places, 452 transitions, 1299 flow. Second operand 3 states and 1432 transitions. [2023-11-26 12:05:44,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 468 places, 457 transitions, 1354 flow [2023-11-26 12:05:44,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 457 transitions, 1342 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 12:05:44,962 INFO L231 Difference]: Finished difference. Result has 465 places, 454 transitions, 1311 flow [2023-11-26 12:05:44,963 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=1287, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=452, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=450, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1311, PETRI_PLACES=465, PETRI_TRANSITIONS=454} [2023-11-26 12:05:44,963 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, 13 predicate places. [2023-11-26 12:05:44,964 INFO L495 AbstractCegarLoop]: Abstraction has has 465 places, 454 transitions, 1311 flow [2023-11-26 12:05:44,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 474.3333333333333) internal successors, (1423), 3 states have internal predecessors, (1423), 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 12:05:44,965 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:44,965 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] [2023-11-26 12:05:44,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-26 12:05:44,966 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:44,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:44,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1422627548, now seen corresponding path program 1 times [2023-11-26 12:05:44,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:44,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183348135] [2023-11-26 12:05:44,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:44,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:45,048 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 12:05:45,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:45,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183348135] [2023-11-26 12:05:45,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183348135] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:45,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:45,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:45,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920129081] [2023-11-26 12:05:45,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:45,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:45,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:45,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:45,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:45,079 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 467 out of 495 [2023-11-26 12:05:45,092 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 465 places, 454 transitions, 1311 flow. Second operand has 3 states, 3 states have (on average 469.0) internal successors, (1407), 3 states have internal predecessors, (1407), 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 12:05:45,104 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:45,105 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 467 of 495 [2023-11-26 12:05:45,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:45,683 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1328] thread2EXIT-->L100-7: Formula: (and (= 0 v_thread2Thread1of1ForFork1_thidvar2_4) (= (let ((.cse0 (mod |v_ULTIMATE.start_main_#t~mem36#1_6| 4294967296))) (ite (<= .cse0 2147483647) .cse0 (+ (- 4294967296) .cse0))) v_thread2Thread1of1ForFork1_thidvar0_4) (= 0 v_thread2Thread1of1ForFork1_thidvar1_4)) InVars {thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_4, ULTIMATE.start_main_#t~mem36#1=|v_ULTIMATE.start_main_#t~mem36#1_6|, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} OutVars{thread2Thread1of1ForFork1_thidvar2=v_thread2Thread1of1ForFork1_thidvar2_4, ULTIMATE.start_main_#t~mem36#1=|v_ULTIMATE.start_main_#t~mem36#1_6|, thread2Thread1of1ForFork1_thidvar0=v_thread2Thread1of1ForFork1_thidvar0_4, thread2Thread1of1ForFork1_thidvar1=v_thread2Thread1of1ForFork1_thidvar1_4} AuxVars[] AssignedVars[][295], [533#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 715#(= ~count2~0 ~count1~0), 628#(and (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) |ULTIMATE.start_main_~#t2~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t2~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ |ULTIMATE.start_main_~#t2~0#1.offset| 1)) 0) (= 0 (select (select |#race| |ULTIMATE.start_main_~#t2~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t2~0#1.offset|)))), Black: 518#true, Black: 649#(and (= thread1Thread1of1ForFork0_~i~0 0) (<= ~n2~0 0) (not |thread1Thread1of1ForFork0_#t~short2|)), Black: 641#(and (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~2#1| 0) (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 643#(and (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (<= ~n2~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~2#1| 0) (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 588#(and (<= ~n1~0 0) (= thread1Thread1of1ForFork0_~i~0 0) (not |thread1Thread1of1ForFork0_#t~short2|)), Black: 713#true, Black: 636#(and (= thread1Thread1of1ForFork0_~i~0 0) (<= ~n2~0 0)), Black: 635#(<= ~n2~0 0), Black: 582#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (<= ~n1~0 0) (= |ULTIMATE.start_create_fresh_int_array_~i~2#1| 0) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), Black: 523#true, Black: 574#(<= ~n1~0 0), Black: 575#(and (<= ~n1~0 0) (= thread1Thread1of1ForFork0_~i~0 0)), Black: 580#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~2#1| 0) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), 525#(= |#race~count2~0| 0), 566#(= |#race~get2~0| 0), Black: 541#(not |thread1Thread1of1ForFork0_#t~short2|), Black: 545#true, Black: 662#(and (= thread2Thread1of1ForFork1_~i~1 0) (<= ~n2~0 0)), Black: 675#(and (= thread2Thread1of1ForFork1_~i~1 0) (<= ~n2~0 0) (not |thread2Thread1of1ForFork1_#t~short11|)), Black: 661#(<= ~n2~0 0), 399#L100-7true, Black: 604#(<= ~n1~0 0), Black: 605#(and (<= ~n1~0 0) (= thread2Thread1of1ForFork1_~i~1 0)), Black: 556#(not |thread2Thread1of1ForFork1_#t~short11|), Black: 618#(and (<= ~n1~0 0) (= thread2Thread1of1ForFork1_~i~1 0) (not |thread2Thread1of1ForFork1_#t~short11|)), Black: 685#(and (= (select (select |#race| ~get1~0.base) (+ ~get1~0.offset (* thread1Thread1of1ForFork0_~i~0 4) 1)) 0) (= (select (select |#race| ~get1~0.base) (+ 2 ~get1~0.offset (* thread1Thread1of1ForFork0_~i~0 4))) 0) (= (select (select |#race| ~get1~0.base) (+ 3 ~get1~0.offset (* thread1Thread1of1ForFork0_~i~0 4))) 0) (= 0 (select (select |#race| ~get1~0.base) (+ ~get1~0.offset (* thread1Thread1of1ForFork0_~i~0 4))))), 497#(= |#race~n1~0| 0), 719#true, Black: 693#(and (= (select (select |#race| ~get2~0.base) (+ ~get2~0.offset (* thread2Thread1of1ForFork1_~i~1 4) 1)) 0) (= (select (select |#race| ~get2~0.base) (+ 3 ~get2~0.offset (* thread2Thread1of1ForFork1_~i~1 4))) 0) (= (select (select |#race| ~get2~0.base) (+ 2 ~get2~0.offset (* thread2Thread1of1ForFork1_~i~1 4))) 0) (= (select (select |#race| ~get2~0.base) (+ ~get2~0.offset (* thread2Thread1of1ForFork1_~i~1 4))) 0)), Black: 564#true, 512#(= |#race~n2~0| 0), 547#(= |#race~get1~0| 0), Black: 698#(not (= ~count2~0 ~count1~0)), 520#(= |#race~count1~0| 0)]) [2023-11-26 12:05:45,683 INFO L294 olderBase$Statistics]: this new event has 251 ancestors and is cut-off event [2023-11-26 12:05:45,683 INFO L297 olderBase$Statistics]: existing Event has 242 ancestors and is cut-off event [2023-11-26 12:05:45,683 INFO L297 olderBase$Statistics]: existing Event has 242 ancestors and is cut-off event [2023-11-26 12:05:45,683 INFO L297 olderBase$Statistics]: existing Event has 273 ancestors and is cut-off event [2023-11-26 12:05:45,693 INFO L124 PetriNetUnfolderBase]: 128/2509 cut-off events. [2023-11-26 12:05:45,694 INFO L125 PetriNetUnfolderBase]: For 383/421 co-relation queries the response was YES. [2023-11-26 12:05:45,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3489 conditions, 2509 events. 128/2509 cut-off events. For 383/421 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 17972 event pairs, 10 based on Foata normal form. 9/2431 useless extension candidates. Maximal degree in co-relation 3400. Up to 99 conditions per place. [2023-11-26 12:05:45,715 INFO L140 encePairwiseOnDemand]: 489/495 looper letters, 6 selfloop transitions, 0 changer transitions 83/453 dead transitions. [2023-11-26 12:05:45,715 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 453 transitions, 1337 flow [2023-11-26 12:05:45,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:45,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:45,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1418 transitions. [2023-11-26 12:05:45,718 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9548821548821549 [2023-11-26 12:05:45,718 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1418 transitions. [2023-11-26 12:05:45,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1418 transitions. [2023-11-26 12:05:45,719 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:45,720 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1418 transitions. [2023-11-26 12:05:45,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 472.6666666666667) internal successors, (1418), 3 states have internal predecessors, (1418), 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 12:05:45,724 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:45,725 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:45,725 INFO L175 Difference]: Start difference. First operand has 465 places, 454 transitions, 1311 flow. Second operand 3 states and 1418 transitions. [2023-11-26 12:05:45,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 453 transitions, 1337 flow [2023-11-26 12:05:45,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 463 places, 453 transitions, 1331 flow, removed 2 selfloop flow, removed 1 redundant places. [2023-11-26 12:05:45,742 INFO L231 Difference]: Finished difference. Result has 463 places, 370 transitions, 938 flow [2023-11-26 12:05:45,743 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=1299, PETRI_DIFFERENCE_MINUEND_PLACES=461, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=451, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=938, PETRI_PLACES=463, PETRI_TRANSITIONS=370} [2023-11-26 12:05:45,744 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, 11 predicate places. [2023-11-26 12:05:45,745 INFO L495 AbstractCegarLoop]: Abstraction has has 463 places, 370 transitions, 938 flow [2023-11-26 12:05:45,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 469.0) internal successors, (1407), 3 states have internal predecessors, (1407), 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 12:05:45,745 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:45,746 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] [2023-11-26 12:05:45,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-26 12:05:45,746 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:45,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:45,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1145791492, now seen corresponding path program 1 times [2023-11-26 12:05:45,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:45,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677820123] [2023-11-26 12:05:45,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:45,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:46,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 12:05:46,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:46,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677820123] [2023-11-26 12:05:46,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677820123] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:46,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:46,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:05:46,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144771912] [2023-11-26 12:05:46,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:46,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:05:46,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:46,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:05:46,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:05:47,087 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 454 out of 495 [2023-11-26 12:05:47,089 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 463 places, 370 transitions, 938 flow. Second operand has 6 states, 6 states have (on average 457.0) internal successors, (2742), 6 states have internal predecessors, (2742), 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 12:05:47,089 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:47,089 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 454 of 495 [2023-11-26 12:05:47,089 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:47,322 INFO L124 PetriNetUnfolderBase]: 84/1147 cut-off events. [2023-11-26 12:05:47,323 INFO L125 PetriNetUnfolderBase]: For 189/192 co-relation queries the response was YES. [2023-11-26 12:05:47,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1683 conditions, 1147 events. 84/1147 cut-off events. For 189/192 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 6374 event pairs, 5 based on Foata normal form. 0/1106 useless extension candidates. Maximal degree in co-relation 1654. Up to 61 conditions per place. [2023-11-26 12:05:47,332 INFO L140 encePairwiseOnDemand]: 487/495 looper letters, 25 selfloop transitions, 6 changer transitions 0/372 dead transitions. [2023-11-26 12:05:47,332 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 406 places, 372 transitions, 1008 flow [2023-11-26 12:05:47,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:05:47,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 12:05:47,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2757 transitions. [2023-11-26 12:05:47,335 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9282828282828283 [2023-11-26 12:05:47,335 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2757 transitions. [2023-11-26 12:05:47,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2757 transitions. [2023-11-26 12:05:47,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:47,336 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2757 transitions. [2023-11-26 12:05:47,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 459.5) internal successors, (2757), 6 states have internal predecessors, (2757), 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 12:05:47,343 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 495.0) internal successors, (3465), 7 states have internal predecessors, (3465), 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 12:05:47,343 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 495.0) internal successors, (3465), 7 states have internal predecessors, (3465), 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 12:05:47,344 INFO L175 Difference]: Start difference. First operand has 463 places, 370 transitions, 938 flow. Second operand 6 states and 2757 transitions. [2023-11-26 12:05:47,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 406 places, 372 transitions, 1008 flow [2023-11-26 12:05:47,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 372 transitions, 928 flow, removed 24 selfloop flow, removed 22 redundant places. [2023-11-26 12:05:47,355 INFO L231 Difference]: Finished difference. Result has 384 places, 368 transitions, 866 flow [2023-11-26 12:05:47,356 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=854, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=866, PETRI_PLACES=384, PETRI_TRANSITIONS=368} [2023-11-26 12:05:47,356 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -68 predicate places. [2023-11-26 12:05:47,356 INFO L495 AbstractCegarLoop]: Abstraction has has 384 places, 368 transitions, 866 flow [2023-11-26 12:05:47,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 457.0) internal successors, (2742), 6 states have internal predecessors, (2742), 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 12:05:47,357 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:47,357 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] [2023-11-26 12:05:47,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-26 12:05:47,358 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting thread1Err12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:47,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:47,358 INFO L85 PathProgramCache]: Analyzing trace with hash -1015016705, now seen corresponding path program 1 times [2023-11-26 12:05:47,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:47,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383636032] [2023-11-26 12:05:47,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:47,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:47,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 12:05:47,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:47,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383636032] [2023-11-26 12:05:47,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383636032] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:47,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:47,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:47,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860685488] [2023-11-26 12:05:47,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:47,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:47,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:47,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:47,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:47,476 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 469 out of 495 [2023-11-26 12:05:47,477 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 368 transitions, 866 flow. Second operand has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 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 12:05:47,477 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:47,477 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 469 of 495 [2023-11-26 12:05:47,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:47,715 INFO L124 PetriNetUnfolderBase]: 66/1218 cut-off events. [2023-11-26 12:05:47,716 INFO L125 PetriNetUnfolderBase]: For 20/23 co-relation queries the response was YES. [2023-11-26 12:05:47,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1534 conditions, 1218 events. 66/1218 cut-off events. For 20/23 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 6732 event pairs, 4 based on Foata normal form. 0/1165 useless extension candidates. Maximal degree in co-relation 1518. Up to 36 conditions per place. [2023-11-26 12:05:47,729 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 7 selfloop transitions, 2 changer transitions 0/368 dead transitions. [2023-11-26 12:05:47,729 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 368 transitions, 885 flow [2023-11-26 12:05:47,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:47,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:47,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1417 transitions. [2023-11-26 12:05:47,732 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9542087542087542 [2023-11-26 12:05:47,732 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1417 transitions. [2023-11-26 12:05:47,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1417 transitions. [2023-11-26 12:05:47,733 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:47,733 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1417 transitions. [2023-11-26 12:05:47,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 472.3333333333333) internal successors, (1417), 3 states have internal predecessors, (1417), 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 12:05:47,737 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:47,737 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:47,737 INFO L175 Difference]: Start difference. First operand has 384 places, 368 transitions, 866 flow. Second operand 3 states and 1417 transitions. [2023-11-26 12:05:47,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 368 transitions, 885 flow [2023-11-26 12:05:47,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 380 places, 368 transitions, 873 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-26 12:05:47,747 INFO L231 Difference]: Finished difference. Result has 380 places, 367 transitions, 856 flow [2023-11-26 12:05:47,747 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=852, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=367, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=365, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=856, PETRI_PLACES=380, PETRI_TRANSITIONS=367} [2023-11-26 12:05:47,748 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -72 predicate places. [2023-11-26 12:05:47,748 INFO L495 AbstractCegarLoop]: Abstraction has has 380 places, 367 transitions, 856 flow [2023-11-26 12:05:47,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 470.3333333333333) internal successors, (1411), 3 states have internal predecessors, (1411), 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 12:05:47,748 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:05:47,749 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] [2023-11-26 12:05:47,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-26 12:05:47,749 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting thread2Err12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err16ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE (and 92 more)] === [2023-11-26 12:05:47,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:47,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1111558254, now seen corresponding path program 1 times [2023-11-26 12:05:47,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:47,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604157054] [2023-11-26 12:05:47,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:47,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:47,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 12:05:47,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:47,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604157054] [2023-11-26 12:05:47,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604157054] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:47,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:47,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:47,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582165670] [2023-11-26 12:05:47,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:47,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:47,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:47,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:47,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:47,870 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 469 out of 495 [2023-11-26 12:05:47,871 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 367 transitions, 856 flow. Second operand has 3 states, 3 states have (on average 470.6666666666667) internal successors, (1412), 3 states have internal predecessors, (1412), 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 12:05:47,871 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:05:47,872 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 469 of 495 [2023-11-26 12:05:47,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:05:48,091 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1265] L77-6-->L77-7: Formula: (= |v_#race~res2~0_7| |v_thread2Thread1of1ForFork1_#t~nondet17_3|) InVars {thread2Thread1of1ForFork1_#t~nondet17=|v_thread2Thread1of1ForFork1_#t~nondet17_3|} OutVars{#race~res2~0=|v_#race~res2~0_7|, thread2Thread1of1ForFork1_#t~nondet17=|v_thread2Thread1of1ForFork1_#t~nondet17_3|} AuxVars[] AssignedVars[#race~res2~0][269], [533#(and (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) |ULTIMATE.start_main_~#t1~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ |ULTIMATE.start_main_~#t1~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 2 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#t1~0#1.base|) (+ 3 |ULTIMATE.start_main_~#t1~0#1.offset|)) 0)), 715#(= ~count2~0 ~count1~0), Black: 518#true, 321#L77-7true, Black: 641#(and (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~2#1| 0) (<= ~n2~0 |ULTIMATE.start_create_fresh_int_array_~size#1|)), Black: 713#true, Black: 523#true, 734#true, Black: 580#(and (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_~size#1|) (= |ULTIMATE.start_create_fresh_int_array_~i~2#1| 0) (<= ~n1~0 |ULTIMATE.start_create_fresh_int_array_#in~size#1|)), 525#(= |#race~count2~0| 0), 730#true, 566#(= |#race~get2~0| 0), Black: 541#(not |thread1Thread1of1ForFork0_#t~short2|), Black: 545#true, Black: 556#(not |thread2Thread1of1ForFork1_#t~short11|), Black: 685#(and (= (select (select |#race| ~get1~0.base) (+ ~get1~0.offset (* thread1Thread1of1ForFork0_~i~0 4) 1)) 0) (= (select (select |#race| ~get1~0.base) (+ 2 ~get1~0.offset (* thread1Thread1of1ForFork0_~i~0 4))) 0) (= (select (select |#race| ~get1~0.base) (+ 3 ~get1~0.offset (* thread1Thread1of1ForFork0_~i~0 4))) 0) (= 0 (select (select |#race| ~get1~0.base) (+ ~get1~0.offset (* thread1Thread1of1ForFork0_~i~0 4))))), 497#(= |#race~n1~0| 0), 719#true, 199#L99-7true, Black: 693#(and (= (select (select |#race| ~get2~0.base) (+ ~get2~0.offset (* thread2Thread1of1ForFork1_~i~1 4) 1)) 0) (= (select (select |#race| ~get2~0.base) (+ 3 ~get2~0.offset (* thread2Thread1of1ForFork1_~i~1 4))) 0) (= (select (select |#race| ~get2~0.base) (+ 2 ~get2~0.offset (* thread2Thread1of1ForFork1_~i~1 4))) 0) (= (select (select |#race| ~get2~0.base) (+ ~get2~0.offset (* thread2Thread1of1ForFork1_~i~1 4))) 0)), Black: 564#true, 512#(= |#race~n2~0| 0), 547#(= |#race~get1~0| 0), Black: 698#(not (= ~count2~0 ~count1~0)), 520#(= |#race~count1~0| 0)]) [2023-11-26 12:05:48,091 INFO L294 olderBase$Statistics]: this new event has 254 ancestors and is cut-off event [2023-11-26 12:05:48,092 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2023-11-26 12:05:48,092 INFO L297 olderBase$Statistics]: existing Event has 270 ancestors and is cut-off event [2023-11-26 12:05:48,092 INFO L297 olderBase$Statistics]: existing Event has 239 ancestors and is cut-off event [2023-11-26 12:05:48,092 INFO L124 PetriNetUnfolderBase]: 65/1055 cut-off events. [2023-11-26 12:05:48,092 INFO L125 PetriNetUnfolderBase]: For 19/22 co-relation queries the response was YES. [2023-11-26 12:05:48,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1322 conditions, 1055 events. 65/1055 cut-off events. For 19/22 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 5327 event pairs, 4 based on Foata normal form. 0/1014 useless extension candidates. Maximal degree in co-relation 1306. Up to 44 conditions per place. [2023-11-26 12:05:48,104 INFO L140 encePairwiseOnDemand]: 492/495 looper letters, 0 selfloop transitions, 0 changer transitions 367/367 dead transitions. [2023-11-26 12:05:48,104 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 367 transitions, 877 flow [2023-11-26 12:05:48,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:48,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:05:48,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1418 transitions. [2023-11-26 12:05:48,107 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9548821548821549 [2023-11-26 12:05:48,107 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1418 transitions. [2023-11-26 12:05:48,108 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1418 transitions. [2023-11-26 12:05:48,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:05:48,108 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1418 transitions. [2023-11-26 12:05:48,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 472.6666666666667) internal successors, (1418), 3 states have internal predecessors, (1418), 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 12:05:48,112 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:48,113 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 495.0) internal successors, (1980), 4 states have internal predecessors, (1980), 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 12:05:48,113 INFO L175 Difference]: Start difference. First operand has 380 places, 367 transitions, 856 flow. Second operand 3 states and 1418 transitions. [2023-11-26 12:05:48,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 367 transitions, 877 flow [2023-11-26 12:05:48,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 367 transitions, 873 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:05:48,125 INFO L231 Difference]: Finished difference. Result has 379 places, 0 transitions, 0 flow [2023-11-26 12:05:48,126 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=495, PETRI_DIFFERENCE_MINUEND_FLOW=850, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=379, PETRI_TRANSITIONS=0} [2023-11-26 12:05:48,126 INFO L281 CegarLoopForPetriNet]: 452 programPoint places, -73 predicate places. [2023-11-26 12:05:48,127 INFO L495 AbstractCegarLoop]: Abstraction has has 379 places, 0 transitions, 0 flow [2023-11-26 12:05:48,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 470.6666666666667) internal successors, (1412), 3 states have internal predecessors, (1412), 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 12:05:48,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (95 of 96 remaining) [2023-11-26 12:05:48,134 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (94 of 96 remaining) [2023-11-26 12:05:48,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (93 of 96 remaining) [2023-11-26 12:05:48,135 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (92 of 96 remaining) [2023-11-26 12:05:48,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (91 of 96 remaining) [2023-11-26 12:05:48,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (90 of 96 remaining) [2023-11-26 12:05:48,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (89 of 96 remaining) [2023-11-26 12:05:48,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (88 of 96 remaining) [2023-11-26 12:05:48,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (87 of 96 remaining) [2023-11-26 12:05:48,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (86 of 96 remaining) [2023-11-26 12:05:48,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (85 of 96 remaining) [2023-11-26 12:05:48,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (84 of 96 remaining) [2023-11-26 12:05:48,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (83 of 96 remaining) [2023-11-26 12:05:48,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (82 of 96 remaining) [2023-11-26 12:05:48,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (81 of 96 remaining) [2023-11-26 12:05:48,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (80 of 96 remaining) [2023-11-26 12:05:48,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (79 of 96 remaining) [2023-11-26 12:05:48,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (78 of 96 remaining) [2023-11-26 12:05:48,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (77 of 96 remaining) [2023-11-26 12:05:48,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (76 of 96 remaining) [2023-11-26 12:05:48,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (75 of 96 remaining) [2023-11-26 12:05:48,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (74 of 96 remaining) [2023-11-26 12:05:48,139 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (73 of 96 remaining) [2023-11-26 12:05:48,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (72 of 96 remaining) [2023-11-26 12:05:48,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (71 of 96 remaining) [2023-11-26 12:05:48,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (70 of 96 remaining) [2023-11-26 12:05:48,140 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (69 of 96 remaining) [2023-11-26 12:05:48,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (68 of 96 remaining) [2023-11-26 12:05:48,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (67 of 96 remaining) [2023-11-26 12:05:48,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (66 of 96 remaining) [2023-11-26 12:05:48,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (65 of 96 remaining) [2023-11-26 12:05:48,141 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (64 of 96 remaining) [2023-11-26 12:05:48,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (63 of 96 remaining) [2023-11-26 12:05:48,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (62 of 96 remaining) [2023-11-26 12:05:48,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (61 of 96 remaining) [2023-11-26 12:05:48,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (60 of 96 remaining) [2023-11-26 12:05:48,142 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (59 of 96 remaining) [2023-11-26 12:05:48,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (58 of 96 remaining) [2023-11-26 12:05:48,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (57 of 96 remaining) [2023-11-26 12:05:48,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (56 of 96 remaining) [2023-11-26 12:05:48,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (55 of 96 remaining) [2023-11-26 12:05:48,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (54 of 96 remaining) [2023-11-26 12:05:48,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (53 of 96 remaining) [2023-11-26 12:05:48,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (52 of 96 remaining) [2023-11-26 12:05:48,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (51 of 96 remaining) [2023-11-26 12:05:48,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (50 of 96 remaining) [2023-11-26 12:05:48,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (49 of 96 remaining) [2023-11-26 12:05:48,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (48 of 96 remaining) [2023-11-26 12:05:48,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (47 of 96 remaining) [2023-11-26 12:05:48,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (46 of 96 remaining) [2023-11-26 12:05:48,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (45 of 96 remaining) [2023-11-26 12:05:48,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (44 of 96 remaining) [2023-11-26 12:05:48,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (43 of 96 remaining) [2023-11-26 12:05:48,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (42 of 96 remaining) [2023-11-26 12:05:48,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (41 of 96 remaining) [2023-11-26 12:05:48,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (40 of 96 remaining) [2023-11-26 12:05:48,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 96 remaining) [2023-11-26 12:05:48,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 96 remaining) [2023-11-26 12:05:48,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (37 of 96 remaining) [2023-11-26 12:05:48,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (36 of 96 remaining) [2023-11-26 12:05:48,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (35 of 96 remaining) [2023-11-26 12:05:48,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (34 of 96 remaining) [2023-11-26 12:05:48,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (33 of 96 remaining) [2023-11-26 12:05:48,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (32 of 96 remaining) [2023-11-26 12:05:48,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (31 of 96 remaining) [2023-11-26 12:05:48,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (30 of 96 remaining) [2023-11-26 12:05:48,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (29 of 96 remaining) [2023-11-26 12:05:48,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (28 of 96 remaining) [2023-11-26 12:05:48,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (27 of 96 remaining) [2023-11-26 12:05:48,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (26 of 96 remaining) [2023-11-26 12:05:48,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (25 of 96 remaining) [2023-11-26 12:05:48,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (24 of 96 remaining) [2023-11-26 12:05:48,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (23 of 96 remaining) [2023-11-26 12:05:48,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (22 of 96 remaining) [2023-11-26 12:05:48,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (21 of 96 remaining) [2023-11-26 12:05:48,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (20 of 96 remaining) [2023-11-26 12:05:48,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (19 of 96 remaining) [2023-11-26 12:05:48,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (18 of 96 remaining) [2023-11-26 12:05:48,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (17 of 96 remaining) [2023-11-26 12:05:48,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (16 of 96 remaining) [2023-11-26 12:05:48,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 96 remaining) [2023-11-26 12:05:48,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (14 of 96 remaining) [2023-11-26 12:05:48,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (13 of 96 remaining) [2023-11-26 12:05:48,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (12 of 96 remaining) [2023-11-26 12:05:48,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (11 of 96 remaining) [2023-11-26 12:05:48,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (10 of 96 remaining) [2023-11-26 12:05:48,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (9 of 96 remaining) [2023-11-26 12:05:48,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (8 of 96 remaining) [2023-11-26 12:05:48,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (7 of 96 remaining) [2023-11-26 12:05:48,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 96 remaining) [2023-11-26 12:05:48,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (5 of 96 remaining) [2023-11-26 12:05:48,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (4 of 96 remaining) [2023-11-26 12:05:48,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (3 of 96 remaining) [2023-11-26 12:05:48,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (2 of 96 remaining) [2023-11-26 12:05:48,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (1 of 96 remaining) [2023-11-26 12:05:48,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (0 of 96 remaining) [2023-11-26 12:05:48,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-26 12:05:48,156 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:48,164 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 12:05:48,165 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 12:05:48,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:05:48 BasicIcfg [2023-11-26 12:05:48,173 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 12:05:48,173 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:05:48,173 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:05:48,174 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:05:48,174 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:05:11" (3/4) ... [2023-11-26 12:05:48,177 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 12:05:48,181 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-26 12:05:48,181 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-26 12:05:48,197 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-26 12:05:48,198 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-26 12:05:48,198 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 12:05:48,199 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 12:05:48,344 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d413fce-c494-4ee2-aeb5-bef1d1d4fd37/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 12:05:48,345 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d413fce-c494-4ee2-aeb5-bef1d1d4fd37/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 12:05:48,345 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:05:48,346 INFO L158 Benchmark]: Toolchain (without parser) took 39229.03ms. Allocated memory was 134.2MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 102.3MB in the beginning and 590.7MB in the end (delta: -488.3MB). Peak memory consumption was 672.0MB. Max. memory is 16.1GB. [2023-11-26 12:05:48,349 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 134.2MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:05:48,349 INFO L158 Benchmark]: CACSL2BoogieTranslator took 518.62ms. Allocated memory is still 134.2MB. Free memory was 102.0MB in the beginning and 88.7MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 12:05:48,350 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.65ms. Allocated memory is still 134.2MB. Free memory was 88.7MB in the beginning and 86.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:05:48,351 INFO L158 Benchmark]: Boogie Preprocessor took 54.42ms. Allocated memory is still 134.2MB. Free memory was 86.0MB in the beginning and 83.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:05:48,351 INFO L158 Benchmark]: RCFGBuilder took 1253.01ms. Allocated memory was 134.2MB in the beginning and 207.6MB in the end (delta: 73.4MB). Free memory was 83.3MB in the beginning and 171.8MB in the end (delta: -88.6MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2023-11-26 12:05:48,352 INFO L158 Benchmark]: TraceAbstraction took 37126.72ms. Allocated memory was 207.6MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 170.8MB in the beginning and 598.0MB in the end (delta: -427.2MB). Peak memory consumption was 656.0MB. Max. memory is 16.1GB. [2023-11-26 12:05:48,353 INFO L158 Benchmark]: Witness Printer took 171.74ms. Allocated memory is still 1.3GB. Free memory was 598.0MB in the beginning and 590.7MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 12:05:48,355 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 134.2MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 518.62ms. Allocated memory is still 134.2MB. Free memory was 102.0MB in the beginning and 88.7MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.65ms. Allocated memory is still 134.2MB. Free memory was 88.7MB in the beginning and 86.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.42ms. Allocated memory is still 134.2MB. Free memory was 86.0MB in the beginning and 83.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1253.01ms. Allocated memory was 134.2MB in the beginning and 207.6MB in the end (delta: 73.4MB). Free memory was 83.3MB in the beginning and 171.8MB in the end (delta: -88.6MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. * TraceAbstraction took 37126.72ms. Allocated memory was 207.6MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 170.8MB in the beginning and 598.0MB in the end (delta: -427.2MB). Peak memory consumption was 656.0MB. Max. memory is 16.1GB. * Witness Printer took 171.74ms. Allocated memory is still 1.3GB. Free memory was 598.0MB in the beginning and 590.7MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: 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: 60]: 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: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: 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: 57]: 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: 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: 51]: 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: 80]: 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: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: 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: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: 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: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: 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: 116]: 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: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: 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 5 procedures, 688 locations, 96 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: 36.8s, OverallIterations: 35, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 27.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4561 SdHoareTripleChecker+Valid, 8.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2685 mSDsluCounter, 4084 SdHoareTripleChecker+Invalid, 7.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3329 mSDsCounter, 1060 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7698 IncrementalHoareTripleChecker+Invalid, 8758 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1060 mSolverCounterUnsat, 755 mSDtfsCounter, 7698 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1311occurred in iteration=31, InterpolantAutomatonStates: 158, 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: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 4794 NumberOfCodeBlocks, 4794 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 4759 ConstructedInterpolants, 0 QuantifiedInterpolants, 6278 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 35 PerfectInterpolantSequences, 14/14 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 56 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 12:05:48,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d413fce-c494-4ee2-aeb5-bef1d1d4fd37/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