./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version cf1a7837 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_d3954bc7-77eb-4cc4-aa63-935e4c1b1858/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3954bc7-77eb-4cc4-aa63-935e4c1b1858/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3954bc7-77eb-4cc4-aa63-935e4c1b1858/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3954bc7-77eb-4cc4-aa63-935e4c1b1858/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/unroll-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3954bc7-77eb-4cc4-aa63-935e4c1b1858/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3954bc7-77eb-4cc4-aa63-935e4c1b1858/bin/uautomizer-verify-uTZkv6EMXl --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 a4cca88acec68e5dbb90cd5700ef248bb5273dc097847f9475a683bfbdc7b189 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:28:34,208 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:28:34,329 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3954bc7-77eb-4cc4-aa63-935e4c1b1858/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-12 02:28:34,337 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:28:34,338 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:28:34,379 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:28:34,380 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:28:34,381 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:28:34,382 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:28:34,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:28:34,389 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:28:34,390 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:28:34,390 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:28:34,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:28:34,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:28:34,393 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:28:34,394 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:28:34,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:28:34,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:28:34,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:28:34,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:28:34,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:28:34,397 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-12 02:28:34,397 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:28:34,398 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:28:34,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:28:34,399 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:28:34,400 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:28:34,400 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:28:34,401 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:28:34,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:28:34,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:28:34,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:28:34,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:28:34,404 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:28:34,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:28:34,404 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:28:34,405 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:28:34,405 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:28:34,405 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:28:34,406 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:28:34,406 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_d3954bc7-77eb-4cc4-aa63-935e4c1b1858/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3954bc7-77eb-4cc4-aa63-935e4c1b1858/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4cca88acec68e5dbb90cd5700ef248bb5273dc097847f9475a683bfbdc7b189 [2023-11-12 02:28:34,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:28:34,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:28:34,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:28:34,773 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:28:34,774 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:28:34,775 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3954bc7-77eb-4cc4-aa63-935e4c1b1858/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/weaver/unroll-3.wvr.c [2023-11-12 02:28:38,027 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:28:38,262 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:28:38,263 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3954bc7-77eb-4cc4-aa63-935e4c1b1858/sv-benchmarks/c/weaver/unroll-3.wvr.c [2023-11-12 02:28:38,271 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3954bc7-77eb-4cc4-aa63-935e4c1b1858/bin/uautomizer-verify-uTZkv6EMXl/data/1c394240f/d49403af6eb04414ab84c74caa8be18a/FLAGcc2813c04 [2023-11-12 02:28:38,286 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3954bc7-77eb-4cc4-aa63-935e4c1b1858/bin/uautomizer-verify-uTZkv6EMXl/data/1c394240f/d49403af6eb04414ab84c74caa8be18a [2023-11-12 02:28:38,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:28:38,290 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:28:38,292 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:28:38,292 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:28:38,298 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:28:38,299 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:28:38" (1/1) ... [2023-11-12 02:28:38,300 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a1b0042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:38, skipping insertion in model container [2023-11-12 02:28:38,300 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:28:38" (1/1) ... [2023-11-12 02:28:38,328 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:28:38,550 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:28:38,561 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:28:38,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:28:38,615 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:28:38,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:38 WrapperNode [2023-11-12 02:28:38,616 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:28:38,618 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:28:38,618 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:28:38,618 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:28:38,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:38" (1/1) ... [2023-11-12 02:28:38,639 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:38" (1/1) ... [2023-11-12 02:28:38,694 INFO L138 Inliner]: procedures = 24, calls = 35, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 286 [2023-11-12 02:28:38,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:28:38,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:28:38,699 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:28:38,699 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:28:38,709 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:38" (1/1) ... [2023-11-12 02:28:38,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:38" (1/1) ... [2023-11-12 02:28:38,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:38" (1/1) ... [2023-11-12 02:28:38,735 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:38" (1/1) ... [2023-11-12 02:28:38,763 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:38" (1/1) ... [2023-11-12 02:28:38,770 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:38" (1/1) ... [2023-11-12 02:28:38,773 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:38" (1/1) ... [2023-11-12 02:28:38,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:38" (1/1) ... [2023-11-12 02:28:38,789 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:28:38,790 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:28:38,791 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:28:38,791 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:28:38,792 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:38" (1/1) ... [2023-11-12 02:28:38,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:28:38,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3954bc7-77eb-4cc4-aa63-935e4c1b1858/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:28:38,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3954bc7-77eb-4cc4-aa63-935e4c1b1858/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:28:38,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3954bc7-77eb-4cc4-aa63-935e4c1b1858/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:28:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:28:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 02:28:38,880 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 02:28:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 02:28:38,881 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 02:28:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:28:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:28:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:28:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:28:38,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:28:38,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:28:38,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:28:38,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:28:38,884 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:28:39,068 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:28:39,071 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:28:39,796 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:28:39,812 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:28:39,812 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-12 02:28:39,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:28:39 BoogieIcfgContainer [2023-11-12 02:28:39,816 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:28:39,819 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:28:39,819 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:28:39,823 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:28:39,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:28:38" (1/3) ... [2023-11-12 02:28:39,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7428ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:28:39, skipping insertion in model container [2023-11-12 02:28:39,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:28:38" (2/3) ... [2023-11-12 02:28:39,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7428ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:28:39, skipping insertion in model container [2023-11-12 02:28:39,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:28:39" (3/3) ... [2023-11-12 02:28:39,826 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.c [2023-11-12 02:28:39,836 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:28:39,851 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:28:39,851 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2023-11-12 02:28:39,852 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:28:40,009 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-12 02:28:40,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 357 places, 369 transitions, 752 flow [2023-11-12 02:28:40,324 INFO L124 PetriNetUnfolderBase]: 19/367 cut-off events. [2023-11-12 02:28:40,324 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-12 02:28:40,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 376 conditions, 367 events. 19/367 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 548 event pairs, 0 based on Foata normal form. 0/307 useless extension candidates. Maximal degree in co-relation 219. Up to 2 conditions per place. [2023-11-12 02:28:40,337 INFO L82 GeneralOperation]: Start removeDead. Operand has 357 places, 369 transitions, 752 flow [2023-11-12 02:28:40,355 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 335 places, 346 transitions, 704 flow [2023-11-12 02:28:40,359 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:28:40,377 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 335 places, 346 transitions, 704 flow [2023-11-12 02:28:40,382 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 335 places, 346 transitions, 704 flow [2023-11-12 02:28:40,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 335 places, 346 transitions, 704 flow [2023-11-12 02:28:40,476 INFO L124 PetriNetUnfolderBase]: 18/346 cut-off events. [2023-11-12 02:28:40,476 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-12 02:28:40,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 355 conditions, 346 events. 18/346 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 484 event pairs, 0 based on Foata normal form. 0/288 useless extension candidates. Maximal degree in co-relation 219. Up to 2 conditions per place. [2023-11-12 02:28:40,498 INFO L119 LiptonReduction]: Number of co-enabled transitions 22820 [2023-11-12 02:28:49,848 INFO L134 LiptonReduction]: Checked pairs total: 86090 [2023-11-12 02:28:49,848 INFO L136 LiptonReduction]: Total number of compositions: 360 [2023-11-12 02:28:49,864 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:28:49,871 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;@249cab88, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:28:49,872 INFO L358 AbstractCegarLoop]: Starting to check reachability of 73 error locations. [2023-11-12 02:28:49,874 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-12 02:28:49,874 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-12 02:28:49,874 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:28:49,874 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:28:49,875 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-12 02:28:49,876 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-12 02:28:49,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:49,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1395, now seen corresponding path program 1 times [2023-11-12 02:28:49,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:49,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908890497] [2023-11-12 02:28:49,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:49,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:49,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:28:49,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:28:49,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908890497] [2023-11-12 02:28:49,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908890497] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:28:49,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:28:49,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-12 02:28:49,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128306015] [2023-11-12 02:28:50,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:28:50,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:28:50,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:28:50,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:28:50,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:28:50,042 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 352 out of 729 [2023-11-12 02:28:50,047 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 110 transitions, 232 flow. Second operand has 2 states, 2 states have (on average 352.5) internal successors, (705), 2 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:50,047 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:28:50,047 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 352 of 729 [2023-11-12 02:28:50,048 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:28:50,470 INFO L124 PetriNetUnfolderBase]: 702/1789 cut-off events. [2023-11-12 02:28:50,470 INFO L125 PetriNetUnfolderBase]: For 71/71 co-relation queries the response was YES. [2023-11-12 02:28:50,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2957 conditions, 1789 events. 702/1789 cut-off events. For 71/71 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 12043 event pairs, 537 based on Foata normal form. 160/1732 useless extension candidates. Maximal degree in co-relation 2663. Up to 1124 conditions per place. [2023-11-12 02:28:50,490 INFO L140 encePairwiseOnDemand]: 702/729 looper letters, 42 selfloop transitions, 0 changer transitions 1/83 dead transitions. [2023-11-12 02:28:50,490 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 83 transitions, 264 flow [2023-11-12 02:28:50,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:28:50,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-12 02:28:50,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 774 transitions. [2023-11-12 02:28:50,516 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5308641975308642 [2023-11-12 02:28:50,517 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 774 transitions. [2023-11-12 02:28:50,519 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 774 transitions. [2023-11-12 02:28:50,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:28:50,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 774 transitions. [2023-11-12 02:28:50,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 387.0) internal successors, (774), 2 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:50,544 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 729.0) internal successors, (2187), 3 states have internal predecessors, (2187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:50,546 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 729.0) internal successors, (2187), 3 states have internal predecessors, (2187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:50,548 INFO L175 Difference]: Start difference. First operand has 108 places, 110 transitions, 232 flow. Second operand 2 states and 774 transitions. [2023-11-12 02:28:50,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 83 transitions, 264 flow [2023-11-12 02:28:50,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 83 transitions, 256 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-12 02:28:50,560 INFO L231 Difference]: Finished difference. Result has 80 places, 82 transitions, 167 flow [2023-11-12 02:28:50,563 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=729, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=167, PETRI_PLACES=80, PETRI_TRANSITIONS=82} [2023-11-12 02:28:50,571 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -28 predicate places. [2023-11-12 02:28:50,571 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 82 transitions, 167 flow [2023-11-12 02:28:50,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 352.5) internal successors, (705), 2 states have internal predecessors, (705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:50,573 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:28:50,573 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:28:50,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:28:50,574 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-12 02:28:50,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:50,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1189881860, now seen corresponding path program 1 times [2023-11-12 02:28:50,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:50,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230580435] [2023-11-12 02:28:50,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:50,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:50,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:50,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:28:50,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:28:50,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230580435] [2023-11-12 02:28:50,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230580435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:28:50,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:28:50,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:28:50,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140039226] [2023-11-12 02:28:50,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:28:50,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:28:50,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:28:50,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:28:50,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:28:50,723 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 342 out of 729 [2023-11-12 02:28:50,725 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 82 transitions, 167 flow. Second operand has 3 states, 3 states have (on average 344.0) internal successors, (1032), 3 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:50,725 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:28:50,726 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 342 of 729 [2023-11-12 02:28:50,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:28:51,064 INFO L124 PetriNetUnfolderBase]: 804/1890 cut-off events. [2023-11-12 02:28:51,065 INFO L125 PetriNetUnfolderBase]: For 21/63 co-relation queries the response was YES. [2023-11-12 02:28:51,069 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3192 conditions, 1890 events. 804/1890 cut-off events. For 21/63 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 11525 event pairs, 627 based on Foata normal form. 0/1683 useless extension candidates. Maximal degree in co-relation 3189. Up to 1286 conditions per place. [2023-11-12 02:28:51,081 INFO L140 encePairwiseOnDemand]: 726/729 looper letters, 43 selfloop transitions, 1 changer transitions 0/80 dead transitions. [2023-11-12 02:28:51,081 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 80 transitions, 251 flow [2023-11-12 02:28:51,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:28:51,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:28:51,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1072 transitions. [2023-11-12 02:28:51,088 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49016918152720623 [2023-11-12 02:28:51,088 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1072 transitions. [2023-11-12 02:28:51,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1072 transitions. [2023-11-12 02:28:51,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:28:51,089 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1072 transitions. [2023-11-12 02:28:51,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 357.3333333333333) internal successors, (1072), 3 states have internal predecessors, (1072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:51,099 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 729.0) internal successors, (2916), 4 states have internal predecessors, (2916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:51,102 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 729.0) internal successors, (2916), 4 states have internal predecessors, (2916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:51,103 INFO L175 Difference]: Start difference. First operand has 80 places, 82 transitions, 167 flow. Second operand 3 states and 1072 transitions. [2023-11-12 02:28:51,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 80 transitions, 251 flow [2023-11-12 02:28:51,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 80 transitions, 251 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-12 02:28:51,110 INFO L231 Difference]: Finished difference. Result has 79 places, 80 transitions, 165 flow [2023-11-12 02:28:51,111 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=729, PETRI_DIFFERENCE_MINUEND_FLOW=163, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=165, PETRI_PLACES=79, PETRI_TRANSITIONS=80} [2023-11-12 02:28:51,112 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -29 predicate places. [2023-11-12 02:28:51,112 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 80 transitions, 165 flow [2023-11-12 02:28:51,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 344.0) internal successors, (1032), 3 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:51,115 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:28:51,115 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:28:51,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:28:51,121 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-12 02:28:51,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:51,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1014625389, now seen corresponding path program 1 times [2023-11-12 02:28:51,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:51,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203244373] [2023-11-12 02:28:51,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:51,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:51,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:28:51,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:28:51,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203244373] [2023-11-12 02:28:51,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203244373] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:28:51,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:28:51,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:28:51,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574101467] [2023-11-12 02:28:51,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:28:51,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:28:51,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:28:51,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:28:51,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:28:51,314 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 350 out of 729 [2023-11-12 02:28:51,316 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 80 transitions, 165 flow. Second operand has 3 states, 3 states have (on average 352.0) internal successors, (1056), 3 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:51,317 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:28:51,317 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 350 of 729 [2023-11-12 02:28:51,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:28:51,811 INFO L124 PetriNetUnfolderBase]: 1292/3181 cut-off events. [2023-11-12 02:28:51,811 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2023-11-12 02:28:51,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5292 conditions, 3181 events. 1292/3181 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 22864 event pairs, 537 based on Foata normal form. 0/2831 useless extension candidates. Maximal degree in co-relation 5288. Up to 1051 conditions per place. [2023-11-12 02:28:51,839 INFO L140 encePairwiseOnDemand]: 726/729 looper letters, 76 selfloop transitions, 2 changer transitions 0/116 dead transitions. [2023-11-12 02:28:51,839 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 116 transitions, 395 flow [2023-11-12 02:28:51,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:28:51,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:28:51,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1129 transitions. [2023-11-12 02:28:51,844 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5162322816643804 [2023-11-12 02:28:51,844 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1129 transitions. [2023-11-12 02:28:51,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1129 transitions. [2023-11-12 02:28:51,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:28:51,846 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1129 transitions. [2023-11-12 02:28:51,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 376.3333333333333) internal successors, (1129), 3 states have internal predecessors, (1129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:51,856 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 729.0) internal successors, (2916), 4 states have internal predecessors, (2916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:51,858 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 729.0) internal successors, (2916), 4 states have internal predecessors, (2916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:51,859 INFO L175 Difference]: Start difference. First operand has 79 places, 80 transitions, 165 flow. Second operand 3 states and 1129 transitions. [2023-11-12 02:28:51,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 116 transitions, 395 flow [2023-11-12 02:28:51,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 116 transitions, 394 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-12 02:28:51,863 INFO L231 Difference]: Finished difference. Result has 81 places, 81 transitions, 176 flow [2023-11-12 02:28:51,864 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=729, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=176, PETRI_PLACES=81, PETRI_TRANSITIONS=81} [2023-11-12 02:28:51,865 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -27 predicate places. [2023-11-12 02:28:51,866 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 81 transitions, 176 flow [2023-11-12 02:28:51,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 352.0) internal successors, (1056), 3 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:51,867 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:28:51,867 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:28:51,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:28:51,872 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-12 02:28:51,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:51,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1014667714, now seen corresponding path program 1 times [2023-11-12 02:28:51,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:51,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077446025] [2023-11-12 02:28:51,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:51,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:51,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:28:51,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:28:51,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077446025] [2023-11-12 02:28:51,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077446025] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:28:51,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:28:51,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:28:51,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498297147] [2023-11-12 02:28:51,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:28:51,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:28:51,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:28:51,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:28:51,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:28:51,975 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 333 out of 729 [2023-11-12 02:28:51,977 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 81 transitions, 176 flow. Second operand has 3 states, 3 states have (on average 335.3333333333333) internal successors, (1006), 3 states have internal predecessors, (1006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:51,977 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:28:51,978 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 333 of 729 [2023-11-12 02:28:51,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:28:52,438 INFO L124 PetriNetUnfolderBase]: 1349/3164 cut-off events. [2023-11-12 02:28:52,438 INFO L125 PetriNetUnfolderBase]: For 163/163 co-relation queries the response was YES. [2023-11-12 02:28:52,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5548 conditions, 3164 events. 1349/3164 cut-off events. For 163/163 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 22118 event pairs, 1108 based on Foata normal form. 0/2853 useless extension candidates. Maximal degree in co-relation 5543. Up to 2183 conditions per place. [2023-11-12 02:28:52,468 INFO L140 encePairwiseOnDemand]: 724/729 looper letters, 43 selfloop transitions, 1 changer transitions 0/77 dead transitions. [2023-11-12 02:28:52,468 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 77 transitions, 256 flow [2023-11-12 02:28:52,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:28:52,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:28:52,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1046 transitions. [2023-11-12 02:28:52,474 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47828074988568814 [2023-11-12 02:28:52,474 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1046 transitions. [2023-11-12 02:28:52,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1046 transitions. [2023-11-12 02:28:52,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:28:52,476 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1046 transitions. [2023-11-12 02:28:52,480 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 348.6666666666667) internal successors, (1046), 3 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:52,487 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 729.0) internal successors, (2916), 4 states have internal predecessors, (2916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:52,490 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 729.0) internal successors, (2916), 4 states have internal predecessors, (2916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:52,491 INFO L175 Difference]: Start difference. First operand has 81 places, 81 transitions, 176 flow. Second operand 3 states and 1046 transitions. [2023-11-12 02:28:52,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 77 transitions, 256 flow [2023-11-12 02:28:52,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 77 transitions, 254 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-12 02:28:52,494 INFO L231 Difference]: Finished difference. Result has 78 places, 77 transitions, 168 flow [2023-11-12 02:28:52,495 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=729, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=168, PETRI_PLACES=78, PETRI_TRANSITIONS=77} [2023-11-12 02:28:52,496 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -30 predicate places. [2023-11-12 02:28:52,496 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 77 transitions, 168 flow [2023-11-12 02:28:52,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 335.3333333333333) internal successors, (1006), 3 states have internal predecessors, (1006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:52,498 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:28:52,498 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:28:52,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:28:52,499 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-12 02:28:52,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:52,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1449262386, now seen corresponding path program 1 times [2023-11-12 02:28:52,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:52,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058007666] [2023-11-12 02:28:52,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:52,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:52,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:28:52,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:28:52,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058007666] [2023-11-12 02:28:52,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058007666] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:28:52,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:28:52,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:28:52,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820974092] [2023-11-12 02:28:52,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:28:52,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:28:52,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:28:52,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:28:52,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:28:52,632 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 348 out of 729 [2023-11-12 02:28:52,634 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 77 transitions, 168 flow. Second operand has 3 states, 3 states have (on average 350.6666666666667) internal successors, (1052), 3 states have internal predecessors, (1052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:52,635 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:28:52,635 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 348 of 729 [2023-11-12 02:28:52,635 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:28:53,404 INFO L124 PetriNetUnfolderBase]: 2280/5274 cut-off events. [2023-11-12 02:28:53,404 INFO L125 PetriNetUnfolderBase]: For 287/287 co-relation queries the response was YES. [2023-11-12 02:28:53,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9206 conditions, 5274 events. 2280/5274 cut-off events. For 287/287 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 38796 event pairs, 1002 based on Foata normal form. 0/4801 useless extension candidates. Maximal degree in co-relation 9201. Up to 1879 conditions per place. [2023-11-12 02:28:53,453 INFO L140 encePairwiseOnDemand]: 721/729 looper letters, 68 selfloop transitions, 7 changer transitions 0/109 dead transitions. [2023-11-12 02:28:53,453 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 109 transitions, 389 flow [2023-11-12 02:28:53,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:28:53,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:28:53,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1118 transitions. [2023-11-12 02:28:53,458 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5112025605852767 [2023-11-12 02:28:53,458 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1118 transitions. [2023-11-12 02:28:53,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1118 transitions. [2023-11-12 02:28:53,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:28:53,460 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1118 transitions. [2023-11-12 02:28:53,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 372.6666666666667) internal successors, (1118), 3 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:53,470 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 729.0) internal successors, (2916), 4 states have internal predecessors, (2916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:53,473 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 729.0) internal successors, (2916), 4 states have internal predecessors, (2916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:53,473 INFO L175 Difference]: Start difference. First operand has 78 places, 77 transitions, 168 flow. Second operand 3 states and 1118 transitions. [2023-11-12 02:28:53,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 109 transitions, 389 flow [2023-11-12 02:28:53,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 109 transitions, 388 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-12 02:28:53,477 INFO L231 Difference]: Finished difference. Result has 81 places, 82 transitions, 217 flow [2023-11-12 02:28:53,477 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=729, PETRI_DIFFERENCE_MINUEND_FLOW=167, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=217, PETRI_PLACES=81, PETRI_TRANSITIONS=82} [2023-11-12 02:28:53,478 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -27 predicate places. [2023-11-12 02:28:53,479 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 82 transitions, 217 flow [2023-11-12 02:28:53,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 350.6666666666667) internal successors, (1052), 3 states have internal predecessors, (1052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:53,480 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:28:53,480 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:28:53,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 02:28:53,481 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-12 02:28:53,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:53,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1328551530, now seen corresponding path program 1 times [2023-11-12 02:28:53,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:53,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374451192] [2023-11-12 02:28:53,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:53,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:53,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:28:53,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:28:53,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374451192] [2023-11-12 02:28:53,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374451192] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:28:53,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:28:53,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:28:53,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935531267] [2023-11-12 02:28:53,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:28:53,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:28:53,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:28:53,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:28:53,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:28:53,621 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 346 out of 729 [2023-11-12 02:28:53,623 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 82 transitions, 217 flow. Second operand has 3 states, 3 states have (on average 348.0) internal successors, (1044), 3 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:53,624 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:28:53,624 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 346 of 729 [2023-11-12 02:28:53,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:28:54,331 INFO L124 PetriNetUnfolderBase]: 2280/5275 cut-off events. [2023-11-12 02:28:54,332 INFO L125 PetriNetUnfolderBase]: For 933/933 co-relation queries the response was YES. [2023-11-12 02:28:54,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9895 conditions, 5275 events. 2280/5275 cut-off events. For 933/933 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 38917 event pairs, 1903 based on Foata normal form. 0/4915 useless extension candidates. Maximal degree in co-relation 9889. Up to 3685 conditions per place. [2023-11-12 02:28:54,379 INFO L140 encePairwiseOnDemand]: 726/729 looper letters, 47 selfloop transitions, 2 changer transitions 0/83 dead transitions. [2023-11-12 02:28:54,380 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 83 transitions, 317 flow [2023-11-12 02:28:54,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:28:54,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:28:54,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1082 transitions. [2023-11-12 02:28:54,385 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4947416552354824 [2023-11-12 02:28:54,385 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1082 transitions. [2023-11-12 02:28:54,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1082 transitions. [2023-11-12 02:28:54,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:28:54,388 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1082 transitions. [2023-11-12 02:28:54,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 360.6666666666667) internal successors, (1082), 3 states have internal predecessors, (1082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:54,398 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 729.0) internal successors, (2916), 4 states have internal predecessors, (2916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:54,400 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 729.0) internal successors, (2916), 4 states have internal predecessors, (2916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:54,401 INFO L175 Difference]: Start difference. First operand has 81 places, 82 transitions, 217 flow. Second operand 3 states and 1082 transitions. [2023-11-12 02:28:54,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 83 transitions, 317 flow [2023-11-12 02:28:54,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 83 transitions, 303 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-12 02:28:54,410 INFO L231 Difference]: Finished difference. Result has 82 places, 83 transitions, 215 flow [2023-11-12 02:28:54,410 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=729, PETRI_DIFFERENCE_MINUEND_FLOW=203, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=215, PETRI_PLACES=82, PETRI_TRANSITIONS=83} [2023-11-12 02:28:54,411 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -26 predicate places. [2023-11-12 02:28:54,411 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 83 transitions, 215 flow [2023-11-12 02:28:54,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 348.0) internal successors, (1044), 3 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:54,413 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:28:54,413 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:28:54,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 02:28:54,413 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-12 02:28:54,414 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:54,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1470423043, now seen corresponding path program 1 times [2023-11-12 02:28:54,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:54,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497574675] [2023-11-12 02:28:54,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:54,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:54,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:28:54,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:28:54,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497574675] [2023-11-12 02:28:54,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497574675] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:28:54,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:28:54,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:28:54,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905842735] [2023-11-12 02:28:54,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:28:54,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:28:54,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:28:54,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:28:54,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:28:55,123 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 729 [2023-11-12 02:28:55,126 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 83 transitions, 215 flow. Second operand has 6 states, 6 states have (on average 339.8333333333333) internal successors, (2039), 6 states have internal predecessors, (2039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:55,127 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:28:55,127 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 729 [2023-11-12 02:28:55,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:28:57,072 INFO L124 PetriNetUnfolderBase]: 7660/13447 cut-off events. [2023-11-12 02:28:57,072 INFO L125 PetriNetUnfolderBase]: For 1451/1451 co-relation queries the response was YES. [2023-11-12 02:28:57,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26920 conditions, 13447 events. 7660/13447 cut-off events. For 1451/1451 co-relation queries the response was YES. Maximal size of possible extension queue 306. Compared 96983 event pairs, 592 based on Foata normal form. 0/12219 useless extension candidates. Maximal degree in co-relation 26913. Up to 4222 conditions per place. [2023-11-12 02:28:57,171 INFO L140 encePairwiseOnDemand]: 724/729 looper letters, 205 selfloop transitions, 4 changer transitions 0/238 dead transitions. [2023-11-12 02:28:57,171 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 238 transitions, 1063 flow [2023-11-12 02:28:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:28:57,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:28:57,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2207 transitions. [2023-11-12 02:28:57,180 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5045724737082762 [2023-11-12 02:28:57,181 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2207 transitions. [2023-11-12 02:28:57,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2207 transitions. [2023-11-12 02:28:57,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:28:57,187 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2207 transitions. [2023-11-12 02:28:57,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 367.8333333333333) internal successors, (2207), 6 states have internal predecessors, (2207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:57,201 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 729.0) internal successors, (5103), 7 states have internal predecessors, (5103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:57,204 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 729.0) internal successors, (5103), 7 states have internal predecessors, (5103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:57,204 INFO L175 Difference]: Start difference. First operand has 82 places, 83 transitions, 215 flow. Second operand 6 states and 2207 transitions. [2023-11-12 02:28:57,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 238 transitions, 1063 flow [2023-11-12 02:28:57,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 238 transitions, 1059 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-12 02:28:57,280 INFO L231 Difference]: Finished difference. Result has 85 places, 82 transitions, 217 flow [2023-11-12 02:28:57,280 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=729, PETRI_DIFFERENCE_MINUEND_FLOW=209, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=217, PETRI_PLACES=85, PETRI_TRANSITIONS=82} [2023-11-12 02:28:57,281 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -23 predicate places. [2023-11-12 02:28:57,281 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 82 transitions, 217 flow [2023-11-12 02:28:57,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 339.8333333333333) internal successors, (2039), 6 states have internal predecessors, (2039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:57,282 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:28:57,282 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:28:57,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-12 02:28:57,282 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-12 02:28:57,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:57,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1633692500, now seen corresponding path program 1 times [2023-11-12 02:28:57,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:57,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650469708] [2023-11-12 02:28:57,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:57,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:57,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:28:57,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:28:57,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650469708] [2023-11-12 02:28:57,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650469708] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:28:57,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:28:57,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:28:57,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432597003] [2023-11-12 02:28:57,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:28:57,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:28:57,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:28:57,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:28:57,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:28:57,338 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 729 [2023-11-12 02:28:57,340 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 82 transitions, 217 flow. Second operand has 3 states, 3 states have (on average 342.3333333333333) internal successors, (1027), 3 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:57,340 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:28:57,340 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 729 [2023-11-12 02:28:57,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:28:58,114 INFO L124 PetriNetUnfolderBase]: 2280/5001 cut-off events. [2023-11-12 02:28:58,114 INFO L125 PetriNetUnfolderBase]: For 1163/1163 co-relation queries the response was YES. [2023-11-12 02:28:58,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10020 conditions, 5001 events. 2280/5001 cut-off events. For 1163/1163 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 35325 event pairs, 765 based on Foata normal form. 0/4564 useless extension candidates. Maximal degree in co-relation 10013. Up to 3480 conditions per place. [2023-11-12 02:28:58,157 INFO L140 encePairwiseOnDemand]: 723/729 looper letters, 64 selfloop transitions, 2 changer transitions 0/95 dead transitions. [2023-11-12 02:28:58,157 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 95 transitions, 379 flow [2023-11-12 02:28:58,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:28:58,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:28:58,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1080 transitions. [2023-11-12 02:28:58,166 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49382716049382713 [2023-11-12 02:28:58,167 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1080 transitions. [2023-11-12 02:28:58,167 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1080 transitions. [2023-11-12 02:28:58,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:28:58,168 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1080 transitions. [2023-11-12 02:28:58,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 360.0) internal successors, (1080), 3 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:58,178 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 729.0) internal successors, (2916), 4 states have internal predecessors, (2916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:58,179 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 729.0) internal successors, (2916), 4 states have internal predecessors, (2916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:58,179 INFO L175 Difference]: Start difference. First operand has 85 places, 82 transitions, 217 flow. Second operand 3 states and 1080 transitions. [2023-11-12 02:28:58,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 95 transitions, 379 flow [2023-11-12 02:28:58,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 95 transitions, 370 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-12 02:28:58,187 INFO L231 Difference]: Finished difference. Result has 80 places, 80 transitions, 216 flow [2023-11-12 02:28:58,187 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=729, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=80, PETRI_TRANSITIONS=80} [2023-11-12 02:28:58,188 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -28 predicate places. [2023-11-12 02:28:58,188 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 80 transitions, 216 flow [2023-11-12 02:28:58,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 342.3333333333333) internal successors, (1027), 3 states have internal predecessors, (1027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:58,189 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:28:58,189 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:28:58,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-12 02:28:58,190 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-12 02:28:58,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:28:58,190 INFO L85 PathProgramCache]: Analyzing trace with hash 797660496, now seen corresponding path program 1 times [2023-11-12 02:28:58,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:28:58,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352463781] [2023-11-12 02:28:58,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:28:58,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:28:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:28:58,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:28:58,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:28:58,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352463781] [2023-11-12 02:28:58,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352463781] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:28:58,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:28:58,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:28:58,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503948513] [2023-11-12 02:28:58,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:28:58,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:28:58,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:28:58,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:28:58,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:28:59,158 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 729 [2023-11-12 02:28:59,162 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 80 transitions, 216 flow. Second operand has 6 states, 6 states have (on average 340.6666666666667) internal successors, (2044), 6 states have internal predecessors, (2044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:28:59,162 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:28:59,162 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 729 [2023-11-12 02:28:59,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:29:00,418 INFO L124 PetriNetUnfolderBase]: 3240/6364 cut-off events. [2023-11-12 02:29:00,418 INFO L125 PetriNetUnfolderBase]: For 703/703 co-relation queries the response was YES. [2023-11-12 02:29:00,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12811 conditions, 6364 events. 3240/6364 cut-off events. For 703/703 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 42704 event pairs, 1843 based on Foata normal form. 148/6003 useless extension candidates. Maximal degree in co-relation 12804. Up to 3686 conditions per place. [2023-11-12 02:29:00,468 INFO L140 encePairwiseOnDemand]: 723/729 looper letters, 173 selfloop transitions, 6 changer transitions 0/203 dead transitions. [2023-11-12 02:29:00,468 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 203 transitions, 928 flow [2023-11-12 02:29:00,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:29:00,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:29:00,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2179 transitions. [2023-11-12 02:29:00,477 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49817101051668955 [2023-11-12 02:29:00,477 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2179 transitions. [2023-11-12 02:29:00,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2179 transitions. [2023-11-12 02:29:00,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:29:00,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2179 transitions. [2023-11-12 02:29:00,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 363.1666666666667) internal successors, (2179), 6 states have internal predecessors, (2179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:29:00,494 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 729.0) internal successors, (5103), 7 states have internal predecessors, (5103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:29:00,496 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 729.0) internal successors, (5103), 7 states have internal predecessors, (5103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:29:00,496 INFO L175 Difference]: Start difference. First operand has 80 places, 80 transitions, 216 flow. Second operand 6 states and 2179 transitions. [2023-11-12 02:29:00,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 203 transitions, 928 flow [2023-11-12 02:29:00,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 203 transitions, 928 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-12 02:29:00,502 INFO L231 Difference]: Finished difference. Result has 84 places, 79 transitions, 226 flow [2023-11-12 02:29:00,502 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=729, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=226, PETRI_PLACES=84, PETRI_TRANSITIONS=79} [2023-11-12 02:29:00,503 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -24 predicate places. [2023-11-12 02:29:00,503 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 79 transitions, 226 flow [2023-11-12 02:29:00,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 340.6666666666667) internal successors, (2044), 6 states have internal predecessors, (2044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:29:00,504 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:29:00,505 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:29:00,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-12 02:29:00,505 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-12 02:29:00,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:00,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1237546509, now seen corresponding path program 1 times [2023-11-12 02:29:00,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:00,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144720745] [2023-11-12 02:29:00,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:00,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:00,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:29:00,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:29:00,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144720745] [2023-11-12 02:29:00,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144720745] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:29:00,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:29:00,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:29:00,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699772911] [2023-11-12 02:29:00,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:29:00,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:29:00,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:29:00,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:29:00,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:29:01,234 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 729 [2023-11-12 02:29:01,237 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 79 transitions, 226 flow. Second operand has 6 states, 6 states have (on average 326.8333333333333) internal successors, (1961), 6 states have internal predecessors, (1961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:29:01,237 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:29:01,237 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 729 [2023-11-12 02:29:01,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:29:02,104 INFO L124 PetriNetUnfolderBase]: 3306/5785 cut-off events. [2023-11-12 02:29:02,104 INFO L125 PetriNetUnfolderBase]: For 991/991 co-relation queries the response was YES. [2023-11-12 02:29:02,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12711 conditions, 5785 events. 3306/5785 cut-off events. For 991/991 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 34380 event pairs, 1537 based on Foata normal form. 228/5524 useless extension candidates. Maximal degree in co-relation 12703. Up to 3116 conditions per place. [2023-11-12 02:29:02,139 INFO L140 encePairwiseOnDemand]: 709/729 looper letters, 94 selfloop transitions, 22 changer transitions 0/132 dead transitions. [2023-11-12 02:29:02,139 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 132 transitions, 616 flow [2023-11-12 02:29:02,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:29:02,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:29:02,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2050 transitions. [2023-11-12 02:29:02,148 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4686785550983082 [2023-11-12 02:29:02,148 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2050 transitions. [2023-11-12 02:29:02,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2050 transitions. [2023-11-12 02:29:02,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:29:02,150 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2050 transitions. [2023-11-12 02:29:02,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 341.6666666666667) internal successors, (2050), 6 states have internal predecessors, (2050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:29:02,164 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 729.0) internal successors, (5103), 7 states have internal predecessors, (5103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:29:02,165 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 729.0) internal successors, (5103), 7 states have internal predecessors, (5103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:29:02,165 INFO L175 Difference]: Start difference. First operand has 84 places, 79 transitions, 226 flow. Second operand 6 states and 2050 transitions. [2023-11-12 02:29:02,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 132 transitions, 616 flow [2023-11-12 02:29:02,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 132 transitions, 588 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-12 02:29:02,171 INFO L231 Difference]: Finished difference. Result has 81 places, 76 transitions, 252 flow [2023-11-12 02:29:02,171 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=729, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=252, PETRI_PLACES=81, PETRI_TRANSITIONS=76} [2023-11-12 02:29:02,172 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -27 predicate places. [2023-11-12 02:29:02,172 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 76 transitions, 252 flow [2023-11-12 02:29:02,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 326.8333333333333) internal successors, (1961), 6 states have internal predecessors, (1961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:29:02,173 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:29:02,173 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] [2023-11-12 02:29:02,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-12 02:29:02,173 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2023-11-12 02:29:02,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:29:02,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1347274187, now seen corresponding path program 1 times [2023-11-12 02:29:02,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:29:02,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508095722] [2023-11-12 02:29:02,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:29:02,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:29:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:29:02,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:29:02,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:29:02,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508095722] [2023-11-12 02:29:02,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508095722] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:29:02,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:29:02,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:29:02,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063950544] [2023-11-12 02:29:02,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:29:02,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:29:02,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:29:02,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:29:02,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:29:02,849 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 729 [2023-11-12 02:29:02,851 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 76 transitions, 252 flow. Second operand has 6 states, 6 states have (on average 340.5) internal successors, (2043), 6 states have internal predecessors, (2043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:29:02,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:29:02,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 729 [2023-11-12 02:29:02,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:29:03,693 INFO L124 PetriNetUnfolderBase]: 2608/5241 cut-off events. [2023-11-12 02:29:03,693 INFO L125 PetriNetUnfolderBase]: For 897/897 co-relation queries the response was YES. [2023-11-12 02:29:03,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12003 conditions, 5241 events. 2608/5241 cut-off events. For 897/897 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 35082 event pairs, 1773 based on Foata normal form. 0/4782 useless extension candidates. Maximal degree in co-relation 11995. Up to 3532 conditions per place. [2023-11-12 02:29:03,716 INFO L140 encePairwiseOnDemand]: 724/729 looper letters, 0 selfloop transitions, 0 changer transitions 191/191 dead transitions. [2023-11-12 02:29:03,716 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 191 transitions, 1044 flow [2023-11-12 02:29:03,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:29:03,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:29:03,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2167 transitions. [2023-11-12 02:29:03,725 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4954275262917238 [2023-11-12 02:29:03,725 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2167 transitions. [2023-11-12 02:29:03,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2167 transitions. [2023-11-12 02:29:03,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:29:03,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2167 transitions. [2023-11-12 02:29:03,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 361.1666666666667) internal successors, (2167), 6 states have internal predecessors, (2167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:29:03,742 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 729.0) internal successors, (5103), 7 states have internal predecessors, (5103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:29:03,744 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 729.0) internal successors, (5103), 7 states have internal predecessors, (5103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:29:03,744 INFO L175 Difference]: Start difference. First operand has 81 places, 76 transitions, 252 flow. Second operand 6 states and 2167 transitions. [2023-11-12 02:29:03,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 191 transitions, 1044 flow [2023-11-12 02:29:03,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 191 transitions, 896 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-12 02:29:03,753 INFO L231 Difference]: Finished difference. Result has 80 places, 0 transitions, 0 flow [2023-11-12 02:29:03,753 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=729, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=80, PETRI_TRANSITIONS=0} [2023-11-12 02:29:03,754 INFO L281 CegarLoopForPetriNet]: 108 programPoint places, -28 predicate places. [2023-11-12 02:29:03,754 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 0 transitions, 0 flow [2023-11-12 02:29:03,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 340.5) internal successors, (2043), 6 states have internal predecessors, (2043), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:29:03,757 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (72 of 73 remaining) [2023-11-12 02:29:03,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (71 of 73 remaining) [2023-11-12 02:29:03,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (70 of 73 remaining) [2023-11-12 02:29:03,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (69 of 73 remaining) [2023-11-12 02:29:03,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (68 of 73 remaining) [2023-11-12 02:29:03,758 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (67 of 73 remaining) [2023-11-12 02:29:03,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (66 of 73 remaining) [2023-11-12 02:29:03,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (65 of 73 remaining) [2023-11-12 02:29:03,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (64 of 73 remaining) [2023-11-12 02:29:03,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (63 of 73 remaining) [2023-11-12 02:29:03,759 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (62 of 73 remaining) [2023-11-12 02:29:03,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (61 of 73 remaining) [2023-11-12 02:29:03,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (60 of 73 remaining) [2023-11-12 02:29:03,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (59 of 73 remaining) [2023-11-12 02:29:03,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (58 of 73 remaining) [2023-11-12 02:29:03,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (57 of 73 remaining) [2023-11-12 02:29:03,760 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (56 of 73 remaining) [2023-11-12 02:29:03,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (55 of 73 remaining) [2023-11-12 02:29:03,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (54 of 73 remaining) [2023-11-12 02:29:03,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (53 of 73 remaining) [2023-11-12 02:29:03,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (52 of 73 remaining) [2023-11-12 02:29:03,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (51 of 73 remaining) [2023-11-12 02:29:03,761 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (50 of 73 remaining) [2023-11-12 02:29:03,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (49 of 73 remaining) [2023-11-12 02:29:03,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (48 of 73 remaining) [2023-11-12 02:29:03,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (47 of 73 remaining) [2023-11-12 02:29:03,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (46 of 73 remaining) [2023-11-12 02:29:03,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (45 of 73 remaining) [2023-11-12 02:29:03,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (44 of 73 remaining) [2023-11-12 02:29:03,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (43 of 73 remaining) [2023-11-12 02:29:03,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (42 of 73 remaining) [2023-11-12 02:29:03,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (41 of 73 remaining) [2023-11-12 02:29:03,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (40 of 73 remaining) [2023-11-12 02:29:03,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (39 of 73 remaining) [2023-11-12 02:29:03,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (38 of 73 remaining) [2023-11-12 02:29:03,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (37 of 73 remaining) [2023-11-12 02:29:03,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (36 of 73 remaining) [2023-11-12 02:29:03,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (35 of 73 remaining) [2023-11-12 02:29:03,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (34 of 73 remaining) [2023-11-12 02:29:03,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (33 of 73 remaining) [2023-11-12 02:29:03,764 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (32 of 73 remaining) [2023-11-12 02:29:03,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 73 remaining) [2023-11-12 02:29:03,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 73 remaining) [2023-11-12 02:29:03,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (29 of 73 remaining) [2023-11-12 02:29:03,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (28 of 73 remaining) [2023-11-12 02:29:03,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (27 of 73 remaining) [2023-11-12 02:29:03,765 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (26 of 73 remaining) [2023-11-12 02:29:03,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 73 remaining) [2023-11-12 02:29:03,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (24 of 73 remaining) [2023-11-12 02:29:03,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (23 of 73 remaining) [2023-11-12 02:29:03,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (22 of 73 remaining) [2023-11-12 02:29:03,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 73 remaining) [2023-11-12 02:29:03,766 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 73 remaining) [2023-11-12 02:29:03,767 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 73 remaining) [2023-11-12 02:29:03,767 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 73 remaining) [2023-11-12 02:29:03,767 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (17 of 73 remaining) [2023-11-12 02:29:03,767 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (16 of 73 remaining) [2023-11-12 02:29:03,767 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (15 of 73 remaining) [2023-11-12 02:29:03,768 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (14 of 73 remaining) [2023-11-12 02:29:03,768 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 73 remaining) [2023-11-12 02:29:03,768 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (12 of 73 remaining) [2023-11-12 02:29:03,768 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (11 of 73 remaining) [2023-11-12 02:29:03,768 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (10 of 73 remaining) [2023-11-12 02:29:03,768 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (9 of 73 remaining) [2023-11-12 02:29:03,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (8 of 73 remaining) [2023-11-12 02:29:03,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (7 of 73 remaining) [2023-11-12 02:29:03,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (6 of 73 remaining) [2023-11-12 02:29:03,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (5 of 73 remaining) [2023-11-12 02:29:03,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (4 of 73 remaining) [2023-11-12 02:29:03,769 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (3 of 73 remaining) [2023-11-12 02:29:03,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (2 of 73 remaining) [2023-11-12 02:29:03,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (1 of 73 remaining) [2023-11-12 02:29:03,770 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (0 of 73 remaining) [2023-11-12 02:29:03,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-12 02:29:03,770 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:29:03,777 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-12 02:29:03,777 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:29:03,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:29:03 BasicIcfg [2023-11-12 02:29:03,781 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:29:03,782 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:29:03,782 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:29:03,782 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:29:03,783 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:28:39" (3/4) ... [2023-11-12 02:29:03,784 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:29:03,788 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-12 02:29:03,789 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-12 02:29:03,795 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-12 02:29:03,795 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 02:29:03,796 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 02:29:03,796 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:29:03,885 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3954bc7-77eb-4cc4-aa63-935e4c1b1858/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:29:03,885 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3954bc7-77eb-4cc4-aa63-935e4c1b1858/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:29:03,885 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:29:03,886 INFO L158 Benchmark]: Toolchain (without parser) took 25595.69ms. Allocated memory was 136.3MB in the beginning and 671.1MB in the end (delta: 534.8MB). Free memory was 91.5MB in the beginning and 301.0MB in the end (delta: -209.5MB). Peak memory consumption was 328.1MB. Max. memory is 16.1GB. [2023-11-12 02:29:03,886 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory is still 58.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:29:03,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.14ms. Allocated memory is still 136.3MB. Free memory was 91.5MB in the beginning and 78.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 02:29:03,887 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.41ms. Allocated memory is still 136.3MB. Free memory was 78.6MB in the beginning and 76.1MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:29:03,887 INFO L158 Benchmark]: Boogie Preprocessor took 91.61ms. Allocated memory is still 136.3MB. Free memory was 75.6MB in the beginning and 73.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:29:03,887 INFO L158 Benchmark]: RCFGBuilder took 1026.53ms. Allocated memory is still 136.3MB. Free memory was 73.5MB in the beginning and 87.5MB in the end (delta: -13.9MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2023-11-12 02:29:03,888 INFO L158 Benchmark]: TraceAbstraction took 23962.39ms. Allocated memory was 136.3MB in the beginning and 671.1MB in the end (delta: 534.8MB). Free memory was 86.9MB in the beginning and 307.3MB in the end (delta: -220.4MB). Peak memory consumption was 460.7MB. Max. memory is 16.1GB. [2023-11-12 02:29:03,888 INFO L158 Benchmark]: Witness Printer took 103.25ms. Allocated memory is still 671.1MB. Free memory was 307.3MB in the beginning and 301.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 02:29:03,890 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory is still 58.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.14ms. Allocated memory is still 136.3MB. Free memory was 91.5MB in the beginning and 78.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.41ms. Allocated memory is still 136.3MB. Free memory was 78.6MB in the beginning and 76.1MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.61ms. Allocated memory is still 136.3MB. Free memory was 75.6MB in the beginning and 73.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1026.53ms. Allocated memory is still 136.3MB. Free memory was 73.5MB in the beginning and 87.5MB in the end (delta: -13.9MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * TraceAbstraction took 23962.39ms. Allocated memory was 136.3MB in the beginning and 671.1MB in the end (delta: 534.8MB). Free memory was 86.9MB in the beginning and 307.3MB in the end (delta: -220.4MB). Peak memory consumption was 460.7MB. Max. memory is 16.1GB. * Witness Printer took 103.25ms. Allocated memory is still 671.1MB. Free memory was 307.3MB in the beginning and 301.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.5s, 335 PlacesBefore, 108 PlacesAfterwards, 346 TransitionsBefore, 110 TransitionsAfterwards, 22820 CoEnabledTransitionPairs, 8 FixpointIterations, 127 TrivialSequentialCompositions, 176 ConcurrentSequentialCompositions, 16 TrivialYvCompositions, 32 ConcurrentYvCompositions, 9 ChoiceCompositions, 360 TotalNumberOfCompositions, 86090 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 25578, independent: 24421, independent conditional: 0, independent unconditional: 24421, dependent: 1157, dependent conditional: 0, dependent unconditional: 1157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 12880, independent: 12704, independent conditional: 0, independent unconditional: 12704, dependent: 176, dependent conditional: 0, dependent unconditional: 176, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 25578, independent: 11717, independent conditional: 0, independent unconditional: 11717, dependent: 981, dependent conditional: 0, dependent unconditional: 981, unknown: 12880, unknown conditional: 0, unknown unconditional: 12880] , Statistics on independence cache: Total cache size (in pairs): 968, Positive cache size: 881, Positive conditional cache size: 0, Positive unconditional cache size: 881, Negative cache size: 87, Negative conditional cache size: 0, Negative unconditional cache size: 87, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 59]: 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: 60]: 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: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: 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: 102]: 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: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 543 locations, 73 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: 23.7s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1366 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 873 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 455 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3033 IncrementalHoareTripleChecker+Invalid, 3488 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 455 mSolverCounterUnsat, 32 mSDtfsCounter, 3033 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=252occurred in iteration=10, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 537 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 5/5 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 41 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-12 02:29:03,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3954bc7-77eb-4cc4-aa63-935e4c1b1858/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE