./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3c1d9c-4aaa-4cc7-9553-52d3393a5fcf/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3c1d9c-4aaa-4cc7-9553-52d3393a5fcf/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3c1d9c-4aaa-4cc7-9553-52d3393a5fcf/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3c1d9c-4aaa-4cc7-9553-52d3393a5fcf/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3c1d9c-4aaa-4cc7-9553-52d3393a5fcf/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3c1d9c-4aaa-4cc7-9553-52d3393a5fcf/bin/uautomizer-verify-uCwYo4JHxu --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 69f7b2e4777088b02df05d348ae0a210dcd9618a97428b10acd3ef63d9199610 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:02:07,058 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:02:07,183 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3c1d9c-4aaa-4cc7-9553-52d3393a5fcf/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 08:02:07,195 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:02:07,196 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:02:07,236 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:02:07,238 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:02:07,238 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:02:07,240 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:02:07,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:02:07,245 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:02:07,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:02:07,246 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:02:07,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:02:07,249 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:02:07,249 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:02:07,249 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:02:07,250 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:02:07,250 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:02:07,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:02:07,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:02:07,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:02:07,252 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 08:02:07,253 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:02:07,253 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:02:07,254 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:02:07,254 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:02:07,255 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:02:07,255 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:02:07,256 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:02:07,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:07,258 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:02:07,258 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:02:07,258 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:02:07,258 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:02:07,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:02:07,259 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:02:07,259 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:02:07,260 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:02:07,260 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:02:07,260 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:02:07,260 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_6d3c1d9c-4aaa-4cc7-9553-52d3393a5fcf/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3c1d9c-4aaa-4cc7-9553-52d3393a5fcf/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69f7b2e4777088b02df05d348ae0a210dcd9618a97428b10acd3ef63d9199610 [2023-11-19 08:02:07,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:02:07,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:02:07,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:02:07,600 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:02:07,601 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:02:07,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3c1d9c-4aaa-4cc7-9553-52d3393a5fcf/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c [2023-11-19 08:02:10,819 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:02:11,119 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:02:11,120 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3c1d9c-4aaa-4cc7-9553-52d3393a5fcf/sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c [2023-11-19 08:02:11,132 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3c1d9c-4aaa-4cc7-9553-52d3393a5fcf/bin/uautomizer-verify-uCwYo4JHxu/data/d46cb6f0e/ec28a9692d8340f3ae0c84caea5584c2/FLAGc8c3d2ecf [2023-11-19 08:02:11,150 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3c1d9c-4aaa-4cc7-9553-52d3393a5fcf/bin/uautomizer-verify-uCwYo4JHxu/data/d46cb6f0e/ec28a9692d8340f3ae0c84caea5584c2 [2023-11-19 08:02:11,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:02:11,157 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:02:11,161 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:11,161 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:02:11,167 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:02:11,168 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:11" (1/1) ... [2023-11-19 08:02:11,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41db176d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:11, skipping insertion in model container [2023-11-19 08:02:11,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:11" (1/1) ... [2023-11-19 08:02:11,208 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:02:11,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:11,492 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:02:11,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:11,544 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:02:11,545 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 08:02:11,553 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:02:11,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:11 WrapperNode [2023-11-19 08:02:11,554 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:11,555 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:11,556 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:02:11,556 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:02:11,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:11" (1/1) ... [2023-11-19 08:02:11,578 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:11" (1/1) ... [2023-11-19 08:02:11,640 INFO L138 Inliner]: procedures = 24, calls = 46, calls flagged for inlining = 12, calls inlined = 14, statements flattened = 429 [2023-11-19 08:02:11,641 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:11,642 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:02:11,642 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:02:11,642 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:02:11,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:11" (1/1) ... [2023-11-19 08:02:11,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:11" (1/1) ... [2023-11-19 08:02:11,671 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:11" (1/1) ... [2023-11-19 08:02:11,672 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:11" (1/1) ... [2023-11-19 08:02:11,701 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:11" (1/1) ... [2023-11-19 08:02:11,719 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:11" (1/1) ... [2023-11-19 08:02:11,735 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:11" (1/1) ... [2023-11-19 08:02:11,738 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:11" (1/1) ... [2023-11-19 08:02:11,761 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:02:11,762 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:02:11,763 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:02:11,763 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:02:11,764 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:11" (1/1) ... [2023-11-19 08:02:11,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:11,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3c1d9c-4aaa-4cc7-9553-52d3393a5fcf/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:11,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3c1d9c-4aaa-4cc7-9553-52d3393a5fcf/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:11,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3c1d9c-4aaa-4cc7-9553-52d3393a5fcf/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:02:11,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:02:11,877 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 08:02:11,877 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 08:02:11,877 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 08:02:11,878 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 08:02:11,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:02:11,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:02:11,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:02:11,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 08:02:11,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 08:02:11,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:02:11,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:02:11,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:02:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:02:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:02:11,882 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 08:02:12,052 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:02:12,054 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:02:12,897 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:02:13,336 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:02:13,337 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 08:02:13,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:13 BoogieIcfgContainer [2023-11-19 08:02:13,350 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:02:13,355 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:02:13,355 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:02:13,358 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:02:13,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:02:11" (1/3) ... [2023-11-19 08:02:13,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a8d202e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:13, skipping insertion in model container [2023-11-19 08:02:13,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:11" (2/3) ... [2023-11-19 08:02:13,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a8d202e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:13, skipping insertion in model container [2023-11-19 08:02:13,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:13" (3/3) ... [2023-11-19 08:02:13,364 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-inc-subseq.wvr.c [2023-11-19 08:02:13,375 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 08:02:13,387 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:02:13,387 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 69 error locations. [2023-11-19 08:02:13,387 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 08:02:13,563 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-19 08:02:13,634 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 384 places, 416 transitions, 846 flow [2023-11-19 08:02:13,881 INFO L124 PetriNetUnfolderBase]: 39/414 cut-off events. [2023-11-19 08:02:13,882 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 08:02:13,895 INFO L83 FinitePrefix]: Finished finitePrefix Result has 423 conditions, 414 events. 39/414 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 648 event pairs, 0 based on Foata normal form. 0/306 useless extension candidates. Maximal degree in co-relation 292. Up to 4 conditions per place. [2023-11-19 08:02:13,895 INFO L82 GeneralOperation]: Start removeDead. Operand has 384 places, 416 transitions, 846 flow [2023-11-19 08:02:13,911 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 362 places, 393 transitions, 798 flow [2023-11-19 08:02:13,916 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 08:02:13,933 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 362 places, 393 transitions, 798 flow [2023-11-19 08:02:13,937 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 362 places, 393 transitions, 798 flow [2023-11-19 08:02:13,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 362 places, 393 transitions, 798 flow [2023-11-19 08:02:14,033 INFO L124 PetriNetUnfolderBase]: 38/393 cut-off events. [2023-11-19 08:02:14,033 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 08:02:14,038 INFO L83 FinitePrefix]: Finished finitePrefix Result has 402 conditions, 393 events. 38/393 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 641 event pairs, 0 based on Foata normal form. 0/287 useless extension candidates. Maximal degree in co-relation 292. Up to 4 conditions per place. [2023-11-19 08:02:14,050 INFO L119 LiptonReduction]: Number of co-enabled transitions 15610 [2023-11-19 08:02:30,885 INFO L134 LiptonReduction]: Checked pairs total: 65592 [2023-11-19 08:02:30,886 INFO L136 LiptonReduction]: Total number of compositions: 479 [2023-11-19 08:02:30,902 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:02:30,909 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;@66ca8602, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:02:30,910 INFO L358 AbstractCegarLoop]: Starting to check reachability of 119 error locations. [2023-11-19 08:02:30,911 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 08:02:30,912 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-19 08:02:30,912 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 08:02:30,912 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:02:30,913 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-19 08:02:30,913 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-19 08:02:30,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:30,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1948, now seen corresponding path program 1 times [2023-11-19 08:02:30,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:30,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708124535] [2023-11-19 08:02:30,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:30,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:31,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:31,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:31,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708124535] [2023-11-19 08:02:31,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708124535] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:31,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:31,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-19 08:02:31,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104930178] [2023-11-19 08:02:31,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:31,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 08:02:31,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:31,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:02:31,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:02:31,104 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 341 out of 895 [2023-11-19 08:02:31,112 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 119 transitions, 250 flow. Second operand has 2 states, 2 states have (on average 341.5) internal successors, (683), 2 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:31,113 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:02:31,113 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 341 of 895 [2023-11-19 08:02:31,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:02:31,335 INFO L124 PetriNetUnfolderBase]: 155/517 cut-off events. [2023-11-19 08:02:31,335 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2023-11-19 08:02:31,336 INFO L83 FinitePrefix]: Finished finitePrefix Result has 802 conditions, 517 events. 155/517 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2889 event pairs, 104 based on Foata normal form. 54/471 useless extension candidates. Maximal degree in co-relation 725. Up to 257 conditions per place. [2023-11-19 08:02:31,341 INFO L140 encePairwiseOnDemand]: 833/895 looper letters, 24 selfloop transitions, 0 changer transitions 1/57 dead transitions. [2023-11-19 08:02:31,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 57 transitions, 176 flow [2023-11-19 08:02:31,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:02:31,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-19 08:02:31,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 769 transitions. [2023-11-19 08:02:31,363 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42960893854748605 [2023-11-19 08:02:31,364 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 769 transitions. [2023-11-19 08:02:31,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 769 transitions. [2023-11-19 08:02:31,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:02:31,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 769 transitions. [2023-11-19 08:02:31,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 384.5) internal successors, (769), 2 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:31,387 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 895.0) internal successors, (2685), 3 states have internal predecessors, (2685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:31,390 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 895.0) internal successors, (2685), 3 states have internal predecessors, (2685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:31,392 INFO L175 Difference]: Start difference. First operand has 120 places, 119 transitions, 250 flow. Second operand 2 states and 769 transitions. [2023-11-19 08:02:31,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 57 transitions, 176 flow [2023-11-19 08:02:31,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 57 transitions, 168 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 08:02:31,399 INFO L231 Difference]: Finished difference. Result has 56 places, 56 transitions, 115 flow [2023-11-19 08:02:31,401 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=895, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=115, PETRI_PLACES=56, PETRI_TRANSITIONS=56} [2023-11-19 08:02:31,406 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, -64 predicate places. [2023-11-19 08:02:31,406 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 56 transitions, 115 flow [2023-11-19 08:02:31,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 341.5) internal successors, (683), 2 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:31,407 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:02:31,407 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:31,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:02:31,408 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-19 08:02:31,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:31,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1112066720, now seen corresponding path program 1 times [2023-11-19 08:02:31,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:31,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708609730] [2023-11-19 08:02:31,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:31,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:31,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:31,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:31,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708609730] [2023-11-19 08:02:31,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708609730] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:31,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:31,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:02:31,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928545243] [2023-11-19 08:02:31,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:31,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:02:31,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:31,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:02:31,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:02:31,600 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 332 out of 895 [2023-11-19 08:02:31,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 56 transitions, 115 flow. Second operand has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:31,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:02:31,602 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 332 of 895 [2023-11-19 08:02:31,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:02:31,827 INFO L124 PetriNetUnfolderBase]: 211/531 cut-off events. [2023-11-19 08:02:31,827 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-19 08:02:31,829 INFO L83 FinitePrefix]: Finished finitePrefix Result has 905 conditions, 531 events. 211/531 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2456 event pairs, 71 based on Foata normal form. 0/469 useless extension candidates. Maximal degree in co-relation 902. Up to 329 conditions per place. [2023-11-19 08:02:31,832 INFO L140 encePairwiseOnDemand]: 888/895 looper letters, 32 selfloop transitions, 4 changer transitions 0/61 dead transitions. [2023-11-19 08:02:31,834 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 61 transitions, 198 flow [2023-11-19 08:02:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:02:31,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 08:02:31,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1035 transitions. [2023-11-19 08:02:31,839 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3854748603351955 [2023-11-19 08:02:31,840 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1035 transitions. [2023-11-19 08:02:31,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1035 transitions. [2023-11-19 08:02:31,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:02:31,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1035 transitions. [2023-11-19 08:02:31,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 345.0) internal successors, (1035), 3 states have internal predecessors, (1035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:31,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 895.0) internal successors, (3580), 4 states have internal predecessors, (3580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:31,857 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 895.0) internal successors, (3580), 4 states have internal predecessors, (3580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:31,857 INFO L175 Difference]: Start difference. First operand has 56 places, 56 transitions, 115 flow. Second operand 3 states and 1035 transitions. [2023-11-19 08:02:31,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 61 transitions, 198 flow [2023-11-19 08:02:31,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 61 transitions, 198 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 08:02:31,861 INFO L231 Difference]: Finished difference. Result has 55 places, 56 transitions, 133 flow [2023-11-19 08:02:31,861 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=895, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=133, PETRI_PLACES=55, PETRI_TRANSITIONS=56} [2023-11-19 08:02:31,862 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, -65 predicate places. [2023-11-19 08:02:31,862 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 56 transitions, 133 flow [2023-11-19 08:02:31,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 334.0) internal successors, (1002), 3 states have internal predecessors, (1002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:31,864 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:02:31,864 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:31,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:02:31,865 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-19 08:02:31,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:31,865 INFO L85 PathProgramCache]: Analyzing trace with hash 750781699, now seen corresponding path program 1 times [2023-11-19 08:02:31,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:31,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211107784] [2023-11-19 08:02:31,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:31,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:32,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:32,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:32,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211107784] [2023-11-19 08:02:32,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211107784] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:32,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:32,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:02:32,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454835652] [2023-11-19 08:02:32,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:32,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:02:32,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:32,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:02:32,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:02:32,055 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 331 out of 895 [2023-11-19 08:02:32,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 56 transitions, 133 flow. Second operand has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:32,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:02:32,058 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 331 of 895 [2023-11-19 08:02:32,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:02:32,190 INFO L124 PetriNetUnfolderBase]: 173/479 cut-off events. [2023-11-19 08:02:32,190 INFO L125 PetriNetUnfolderBase]: For 52/114 co-relation queries the response was YES. [2023-11-19 08:02:32,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 871 conditions, 479 events. 173/479 cut-off events. For 52/114 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2235 event pairs, 120 based on Foata normal form. 0/418 useless extension candidates. Maximal degree in co-relation 867. Up to 284 conditions per place. [2023-11-19 08:02:32,195 INFO L140 encePairwiseOnDemand]: 893/895 looper letters, 26 selfloop transitions, 1 changer transitions 0/55 dead transitions. [2023-11-19 08:02:32,195 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 55 transitions, 185 flow [2023-11-19 08:02:32,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:02:32,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 08:02:32,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1019 transitions. [2023-11-19 08:02:32,201 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.37951582867783984 [2023-11-19 08:02:32,201 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1019 transitions. [2023-11-19 08:02:32,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1019 transitions. [2023-11-19 08:02:32,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:02:32,203 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1019 transitions. [2023-11-19 08:02:32,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 339.6666666666667) internal successors, (1019), 3 states have internal predecessors, (1019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:32,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 895.0) internal successors, (3580), 4 states have internal predecessors, (3580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:32,218 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 895.0) internal successors, (3580), 4 states have internal predecessors, (3580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:32,218 INFO L175 Difference]: Start difference. First operand has 55 places, 56 transitions, 133 flow. Second operand 3 states and 1019 transitions. [2023-11-19 08:02:32,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 55 transitions, 185 flow [2023-11-19 08:02:32,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 55 transitions, 181 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 08:02:32,223 INFO L231 Difference]: Finished difference. Result has 55 places, 55 transitions, 129 flow [2023-11-19 08:02:32,224 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=895, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=129, PETRI_PLACES=55, PETRI_TRANSITIONS=55} [2023-11-19 08:02:32,226 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, -65 predicate places. [2023-11-19 08:02:32,226 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 55 transitions, 129 flow [2023-11-19 08:02:32,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:32,227 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:02:32,227 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:32,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 08:02:32,232 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-19 08:02:32,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:32,233 INFO L85 PathProgramCache]: Analyzing trace with hash -974982395, now seen corresponding path program 1 times [2023-11-19 08:02:32,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:32,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247556612] [2023-11-19 08:02:32,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:32,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:32,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:32,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:32,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247556612] [2023-11-19 08:02:32,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247556612] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:32,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:32,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:02:32,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063948157] [2023-11-19 08:02:32,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:32,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:02:32,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:32,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:02:32,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:02:32,621 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 895 [2023-11-19 08:02:32,623 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 55 transitions, 129 flow. Second operand has 3 states, 3 states have (on average 331.3333333333333) internal successors, (994), 3 states have internal predecessors, (994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:32,623 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:02:32,624 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 895 [2023-11-19 08:02:32,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:02:32,791 INFO L124 PetriNetUnfolderBase]: 162/468 cut-off events. [2023-11-19 08:02:32,791 INFO L125 PetriNetUnfolderBase]: For 34/36 co-relation queries the response was YES. [2023-11-19 08:02:32,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 821 conditions, 468 events. 162/468 cut-off events. For 34/36 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2293 event pairs, 108 based on Foata normal form. 0/406 useless extension candidates. Maximal degree in co-relation 816. Up to 266 conditions per place. [2023-11-19 08:02:32,796 INFO L140 encePairwiseOnDemand]: 892/895 looper letters, 25 selfloop transitions, 2 changer transitions 0/56 dead transitions. [2023-11-19 08:02:32,796 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 56 transitions, 185 flow [2023-11-19 08:02:32,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:02:32,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 08:02:32,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1013 transitions. [2023-11-19 08:02:32,802 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.37728119180633146 [2023-11-19 08:02:32,802 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1013 transitions. [2023-11-19 08:02:32,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1013 transitions. [2023-11-19 08:02:32,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:02:32,804 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1013 transitions. [2023-11-19 08:02:32,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 337.6666666666667) internal successors, (1013), 3 states have internal predecessors, (1013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:32,818 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 895.0) internal successors, (3580), 4 states have internal predecessors, (3580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:32,821 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 895.0) internal successors, (3580), 4 states have internal predecessors, (3580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:32,821 INFO L175 Difference]: Start difference. First operand has 55 places, 55 transitions, 129 flow. Second operand 3 states and 1013 transitions. [2023-11-19 08:02:32,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 56 transitions, 185 flow [2023-11-19 08:02:32,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 56 transitions, 184 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 08:02:32,824 INFO L231 Difference]: Finished difference. Result has 57 places, 56 transitions, 140 flow [2023-11-19 08:02:32,825 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=895, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=140, PETRI_PLACES=57, PETRI_TRANSITIONS=56} [2023-11-19 08:02:32,826 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, -63 predicate places. [2023-11-19 08:02:32,826 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 56 transitions, 140 flow [2023-11-19 08:02:32,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 331.3333333333333) internal successors, (994), 3 states have internal predecessors, (994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:32,828 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:02:32,828 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:32,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 08:02:32,829 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-19 08:02:32,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:32,829 INFO L85 PathProgramCache]: Analyzing trace with hash -879339866, now seen corresponding path program 1 times [2023-11-19 08:02:32,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:32,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017262542] [2023-11-19 08:02:32,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:32,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:33,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 08:02:33,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:33,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017262542] [2023-11-19 08:02:33,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017262542] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:33,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:33,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:02:33,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156193056] [2023-11-19 08:02:33,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:33,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:02:33,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:33,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:02:33,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:02:33,580 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 895 [2023-11-19 08:02:33,583 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 56 transitions, 140 flow. Second operand has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:33,583 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:02:33,583 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 895 [2023-11-19 08:02:33,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:02:34,095 INFO L124 PetriNetUnfolderBase]: 492/977 cut-off events. [2023-11-19 08:02:34,096 INFO L125 PetriNetUnfolderBase]: For 135/137 co-relation queries the response was YES. [2023-11-19 08:02:34,098 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1939 conditions, 977 events. 492/977 cut-off events. For 135/137 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 5019 event pairs, 38 based on Foata normal form. 0/834 useless extension candidates. Maximal degree in co-relation 1933. Up to 264 conditions per place. [2023-11-19 08:02:34,104 INFO L140 encePairwiseOnDemand]: 890/895 looper letters, 87 selfloop transitions, 4 changer transitions 0/115 dead transitions. [2023-11-19 08:02:34,104 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 115 transitions, 480 flow [2023-11-19 08:02:34,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:02:34,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 08:02:34,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2019 transitions. [2023-11-19 08:02:34,113 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.37597765363128494 [2023-11-19 08:02:34,113 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2019 transitions. [2023-11-19 08:02:34,113 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2019 transitions. [2023-11-19 08:02:34,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:02:34,115 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2019 transitions. [2023-11-19 08:02:34,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 336.5) internal successors, (2019), 6 states have internal predecessors, (2019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:34,133 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 895.0) internal successors, (6265), 7 states have internal predecessors, (6265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:34,138 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 895.0) internal successors, (6265), 7 states have internal predecessors, (6265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:34,138 INFO L175 Difference]: Start difference. First operand has 57 places, 56 transitions, 140 flow. Second operand 6 states and 2019 transitions. [2023-11-19 08:02:34,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 115 transitions, 480 flow [2023-11-19 08:02:34,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 115 transitions, 476 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-19 08:02:34,143 INFO L231 Difference]: Finished difference. Result has 60 places, 55 transitions, 142 flow [2023-11-19 08:02:34,149 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=895, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=142, PETRI_PLACES=60, PETRI_TRANSITIONS=55} [2023-11-19 08:02:34,151 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, -60 predicate places. [2023-11-19 08:02:34,152 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 55 transitions, 142 flow [2023-11-19 08:02:34,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:34,153 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:02:34,154 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:34,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 08:02:34,154 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-19 08:02:34,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:34,155 INFO L85 PathProgramCache]: Analyzing trace with hash 598297457, now seen corresponding path program 1 times [2023-11-19 08:02:34,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:34,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950231685] [2023-11-19 08:02:34,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:34,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:34,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 08:02:34,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:34,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950231685] [2023-11-19 08:02:34,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950231685] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:34,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:34,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:02:34,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207987648] [2023-11-19 08:02:34,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:34,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:02:34,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:34,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:02:34,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:02:34,879 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 895 [2023-11-19 08:02:34,882 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 55 transitions, 142 flow. Second operand has 6 states, 6 states have (on average 320.0) internal successors, (1920), 6 states have internal predecessors, (1920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:34,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:02:34,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 895 [2023-11-19 08:02:34,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:02:35,159 INFO L124 PetriNetUnfolderBase]: 275/553 cut-off events. [2023-11-19 08:02:35,159 INFO L125 PetriNetUnfolderBase]: For 137/139 co-relation queries the response was YES. [2023-11-19 08:02:35,161 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1226 conditions, 553 events. 275/553 cut-off events. For 137/139 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2181 event pairs, 60 based on Foata normal form. 0/479 useless extension candidates. Maximal degree in co-relation 1220. Up to 226 conditions per place. [2023-11-19 08:02:35,165 INFO L140 encePairwiseOnDemand]: 888/895 looper letters, 58 selfloop transitions, 5 changer transitions 0/81 dead transitions. [2023-11-19 08:02:35,165 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 81 transitions, 348 flow [2023-11-19 08:02:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:02:35,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 08:02:35,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1970 transitions. [2023-11-19 08:02:35,173 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36685288640595903 [2023-11-19 08:02:35,174 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1970 transitions. [2023-11-19 08:02:35,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1970 transitions. [2023-11-19 08:02:35,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:02:35,176 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1970 transitions. [2023-11-19 08:02:35,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 328.3333333333333) internal successors, (1970), 6 states have internal predecessors, (1970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:35,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 895.0) internal successors, (6265), 7 states have internal predecessors, (6265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:35,193 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 895.0) internal successors, (6265), 7 states have internal predecessors, (6265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:35,194 INFO L175 Difference]: Start difference. First operand has 60 places, 55 transitions, 142 flow. Second operand 6 states and 1970 transitions. [2023-11-19 08:02:35,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 81 transitions, 348 flow [2023-11-19 08:02:35,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 81 transitions, 333 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 08:02:35,197 INFO L231 Difference]: Finished difference. Result has 59 places, 53 transitions, 141 flow [2023-11-19 08:02:35,198 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=895, PETRI_DIFFERENCE_MINUEND_FLOW=131, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=141, PETRI_PLACES=59, PETRI_TRANSITIONS=53} [2023-11-19 08:02:35,199 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, -61 predicate places. [2023-11-19 08:02:35,199 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 53 transitions, 141 flow [2023-11-19 08:02:35,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 320.0) internal successors, (1920), 6 states have internal predecessors, (1920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:35,200 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:02:35,200 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:35,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 08:02:35,201 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-19 08:02:35,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:35,201 INFO L85 PathProgramCache]: Analyzing trace with hash 192632179, now seen corresponding path program 1 times [2023-11-19 08:02:35,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:35,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453687280] [2023-11-19 08:02:35,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:35,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:35,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 08:02:35,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:35,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453687280] [2023-11-19 08:02:35,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453687280] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:35,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:35,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:02:35,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042045497] [2023-11-19 08:02:35,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:35,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:02:35,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:35,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:02:35,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:02:35,361 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 336 out of 895 [2023-11-19 08:02:35,363 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 53 transitions, 141 flow. Second operand has 4 states, 4 states have (on average 338.75) internal successors, (1355), 4 states have internal predecessors, (1355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:35,363 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:02:35,363 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 336 of 895 [2023-11-19 08:02:35,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:02:35,548 INFO L124 PetriNetUnfolderBase]: 256/736 cut-off events. [2023-11-19 08:02:35,548 INFO L125 PetriNetUnfolderBase]: For 80/82 co-relation queries the response was YES. [2023-11-19 08:02:35,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1400 conditions, 736 events. 256/736 cut-off events. For 80/82 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3589 event pairs, 78 based on Foata normal form. 0/662 useless extension candidates. Maximal degree in co-relation 1394. Up to 242 conditions per place. [2023-11-19 08:02:35,555 INFO L140 encePairwiseOnDemand]: 891/895 looper letters, 40 selfloop transitions, 3 changer transitions 0/69 dead transitions. [2023-11-19 08:02:35,555 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 69 transitions, 270 flow [2023-11-19 08:02:35,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:02:35,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-19 08:02:35,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1384 transitions. [2023-11-19 08:02:35,562 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3865921787709497 [2023-11-19 08:02:35,562 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1384 transitions. [2023-11-19 08:02:35,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1384 transitions. [2023-11-19 08:02:35,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:02:35,564 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1384 transitions. [2023-11-19 08:02:35,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 346.0) internal successors, (1384), 4 states have internal predecessors, (1384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:35,576 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 895.0) internal successors, (4475), 5 states have internal predecessors, (4475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:35,578 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 895.0) internal successors, (4475), 5 states have internal predecessors, (4475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:35,578 INFO L175 Difference]: Start difference. First operand has 59 places, 53 transitions, 141 flow. Second operand 4 states and 1384 transitions. [2023-11-19 08:02:35,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 69 transitions, 270 flow [2023-11-19 08:02:35,581 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 69 transitions, 258 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-19 08:02:35,582 INFO L231 Difference]: Finished difference. Result has 58 places, 54 transitions, 147 flow [2023-11-19 08:02:35,583 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=895, PETRI_DIFFERENCE_MINUEND_FLOW=131, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=147, PETRI_PLACES=58, PETRI_TRANSITIONS=54} [2023-11-19 08:02:35,584 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, -62 predicate places. [2023-11-19 08:02:35,584 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 54 transitions, 147 flow [2023-11-19 08:02:35,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 338.75) internal successors, (1355), 4 states have internal predecessors, (1355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:35,585 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 08:02:35,585 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:35,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 08:02:35,586 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-19 08:02:35,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:35,586 INFO L85 PathProgramCache]: Analyzing trace with hash 61448698, now seen corresponding path program 1 times [2023-11-19 08:02:35,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:35,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009861142] [2023-11-19 08:02:35,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:35,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:36,077 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 08:02:36,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:36,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009861142] [2023-11-19 08:02:36,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009861142] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:36,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:36,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:02:36,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387897527] [2023-11-19 08:02:36,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:36,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:02:36,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:36,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:02:36,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:02:36,422 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 323 out of 895 [2023-11-19 08:02:36,425 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 54 transitions, 147 flow. Second operand has 6 states, 6 states have (on average 326.1666666666667) internal successors, (1957), 6 states have internal predecessors, (1957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:36,425 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 08:02:36,425 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 323 of 895 [2023-11-19 08:02:36,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 08:02:36,751 INFO L124 PetriNetUnfolderBase]: 272/748 cut-off events. [2023-11-19 08:02:36,752 INFO L125 PetriNetUnfolderBase]: For 101/103 co-relation queries the response was YES. [2023-11-19 08:02:36,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1395 conditions, 748 events. 272/748 cut-off events. For 101/103 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 3581 event pairs, 180 based on Foata normal form. 0/685 useless extension candidates. Maximal degree in co-relation 1388. Up to 420 conditions per place. [2023-11-19 08:02:36,755 INFO L140 encePairwiseOnDemand]: 890/895 looper letters, 0 selfloop transitions, 0 changer transitions 69/69 dead transitions. [2023-11-19 08:02:36,756 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 69 transitions, 289 flow [2023-11-19 08:02:36,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:02:36,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 08:02:36,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1983 transitions. [2023-11-19 08:02:36,768 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3692737430167598 [2023-11-19 08:02:36,768 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1983 transitions. [2023-11-19 08:02:36,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1983 transitions. [2023-11-19 08:02:36,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:02:36,770 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1983 transitions. [2023-11-19 08:02:36,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 330.5) internal successors, (1983), 6 states have internal predecessors, (1983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:36,802 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 895.0) internal successors, (6265), 7 states have internal predecessors, (6265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:36,804 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 895.0) internal successors, (6265), 7 states have internal predecessors, (6265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:36,804 INFO L175 Difference]: Start difference. First operand has 58 places, 54 transitions, 147 flow. Second operand 6 states and 1983 transitions. [2023-11-19 08:02:36,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 69 transitions, 289 flow [2023-11-19 08:02:36,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 69 transitions, 285 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 08:02:36,809 INFO L231 Difference]: Finished difference. Result has 60 places, 0 transitions, 0 flow [2023-11-19 08:02:36,809 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=895, PETRI_DIFFERENCE_MINUEND_FLOW=141, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=60, PETRI_TRANSITIONS=0} [2023-11-19 08:02:36,812 INFO L281 CegarLoopForPetriNet]: 120 programPoint places, -60 predicate places. [2023-11-19 08:02:36,812 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 0 transitions, 0 flow [2023-11-19 08:02:36,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 326.1666666666667) internal successors, (1957), 6 states have internal predecessors, (1957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:36,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (118 of 119 remaining) [2023-11-19 08:02:36,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (117 of 119 remaining) [2023-11-19 08:02:36,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (116 of 119 remaining) [2023-11-19 08:02:36,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (115 of 119 remaining) [2023-11-19 08:02:36,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (114 of 119 remaining) [2023-11-19 08:02:36,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (113 of 119 remaining) [2023-11-19 08:02:36,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (112 of 119 remaining) [2023-11-19 08:02:36,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (111 of 119 remaining) [2023-11-19 08:02:36,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (110 of 119 remaining) [2023-11-19 08:02:36,821 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (109 of 119 remaining) [2023-11-19 08:02:36,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (108 of 119 remaining) [2023-11-19 08:02:36,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (107 of 119 remaining) [2023-11-19 08:02:36,823 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (106 of 119 remaining) [2023-11-19 08:02:36,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (105 of 119 remaining) [2023-11-19 08:02:36,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (104 of 119 remaining) [2023-11-19 08:02:36,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (103 of 119 remaining) [2023-11-19 08:02:36,824 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (102 of 119 remaining) [2023-11-19 08:02:36,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (101 of 119 remaining) [2023-11-19 08:02:36,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (100 of 119 remaining) [2023-11-19 08:02:36,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (99 of 119 remaining) [2023-11-19 08:02:36,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (98 of 119 remaining) [2023-11-19 08:02:36,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (97 of 119 remaining) [2023-11-19 08:02:36,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (96 of 119 remaining) [2023-11-19 08:02:36,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (95 of 119 remaining) [2023-11-19 08:02:36,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (94 of 119 remaining) [2023-11-19 08:02:36,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (93 of 119 remaining) [2023-11-19 08:02:36,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (92 of 119 remaining) [2023-11-19 08:02:36,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (91 of 119 remaining) [2023-11-19 08:02:36,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (90 of 119 remaining) [2023-11-19 08:02:36,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (89 of 119 remaining) [2023-11-19 08:02:36,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (88 of 119 remaining) [2023-11-19 08:02:36,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (87 of 119 remaining) [2023-11-19 08:02:36,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (86 of 119 remaining) [2023-11-19 08:02:36,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (85 of 119 remaining) [2023-11-19 08:02:36,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (84 of 119 remaining) [2023-11-19 08:02:36,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (83 of 119 remaining) [2023-11-19 08:02:36,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (82 of 119 remaining) [2023-11-19 08:02:36,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (81 of 119 remaining) [2023-11-19 08:02:36,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (80 of 119 remaining) [2023-11-19 08:02:36,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (79 of 119 remaining) [2023-11-19 08:02:36,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (78 of 119 remaining) [2023-11-19 08:02:36,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (77 of 119 remaining) [2023-11-19 08:02:36,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (76 of 119 remaining) [2023-11-19 08:02:36,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (75 of 119 remaining) [2023-11-19 08:02:36,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (74 of 119 remaining) [2023-11-19 08:02:36,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (73 of 119 remaining) [2023-11-19 08:02:36,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (72 of 119 remaining) [2023-11-19 08:02:36,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (71 of 119 remaining) [2023-11-19 08:02:36,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (70 of 119 remaining) [2023-11-19 08:02:36,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (69 of 119 remaining) [2023-11-19 08:02:36,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (68 of 119 remaining) [2023-11-19 08:02:36,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (67 of 119 remaining) [2023-11-19 08:02:36,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (66 of 119 remaining) [2023-11-19 08:02:36,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (65 of 119 remaining) [2023-11-19 08:02:36,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (64 of 119 remaining) [2023-11-19 08:02:36,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (63 of 119 remaining) [2023-11-19 08:02:36,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (62 of 119 remaining) [2023-11-19 08:02:36,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (61 of 119 remaining) [2023-11-19 08:02:36,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (60 of 119 remaining) [2023-11-19 08:02:36,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (59 of 119 remaining) [2023-11-19 08:02:36,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (58 of 119 remaining) [2023-11-19 08:02:36,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (57 of 119 remaining) [2023-11-19 08:02:36,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (56 of 119 remaining) [2023-11-19 08:02:36,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (55 of 119 remaining) [2023-11-19 08:02:36,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (54 of 119 remaining) [2023-11-19 08:02:36,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (53 of 119 remaining) [2023-11-19 08:02:36,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (52 of 119 remaining) [2023-11-19 08:02:36,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (51 of 119 remaining) [2023-11-19 08:02:36,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (50 of 119 remaining) [2023-11-19 08:02:36,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 119 remaining) [2023-11-19 08:02:36,835 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 119 remaining) [2023-11-19 08:02:36,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 119 remaining) [2023-11-19 08:02:36,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (46 of 119 remaining) [2023-11-19 08:02:36,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (45 of 119 remaining) [2023-11-19 08:02:36,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (44 of 119 remaining) [2023-11-19 08:02:36,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (43 of 119 remaining) [2023-11-19 08:02:36,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (42 of 119 remaining) [2023-11-19 08:02:36,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (41 of 119 remaining) [2023-11-19 08:02:36,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (40 of 119 remaining) [2023-11-19 08:02:36,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (39 of 119 remaining) [2023-11-19 08:02:36,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (38 of 119 remaining) [2023-11-19 08:02:36,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (37 of 119 remaining) [2023-11-19 08:02:36,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (36 of 119 remaining) [2023-11-19 08:02:36,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (35 of 119 remaining) [2023-11-19 08:02:36,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (34 of 119 remaining) [2023-11-19 08:02:36,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (33 of 119 remaining) [2023-11-19 08:02:36,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (32 of 119 remaining) [2023-11-19 08:02:36,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (31 of 119 remaining) [2023-11-19 08:02:36,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (30 of 119 remaining) [2023-11-19 08:02:36,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (29 of 119 remaining) [2023-11-19 08:02:36,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (28 of 119 remaining) [2023-11-19 08:02:36,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (27 of 119 remaining) [2023-11-19 08:02:36,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (26 of 119 remaining) [2023-11-19 08:02:36,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (25 of 119 remaining) [2023-11-19 08:02:36,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 119 remaining) [2023-11-19 08:02:36,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 119 remaining) [2023-11-19 08:02:36,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (22 of 119 remaining) [2023-11-19 08:02:36,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (21 of 119 remaining) [2023-11-19 08:02:36,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (20 of 119 remaining) [2023-11-19 08:02:36,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (19 of 119 remaining) [2023-11-19 08:02:36,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (18 of 119 remaining) [2023-11-19 08:02:36,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (17 of 119 remaining) [2023-11-19 08:02:36,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (16 of 119 remaining) [2023-11-19 08:02:36,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (15 of 119 remaining) [2023-11-19 08:02:36,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (14 of 119 remaining) [2023-11-19 08:02:36,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (13 of 119 remaining) [2023-11-19 08:02:36,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (12 of 119 remaining) [2023-11-19 08:02:36,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (11 of 119 remaining) [2023-11-19 08:02:36,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (10 of 119 remaining) [2023-11-19 08:02:36,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (9 of 119 remaining) [2023-11-19 08:02:36,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (8 of 119 remaining) [2023-11-19 08:02:36,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (7 of 119 remaining) [2023-11-19 08:02:36,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (6 of 119 remaining) [2023-11-19 08:02:36,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (5 of 119 remaining) [2023-11-19 08:02:36,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (4 of 119 remaining) [2023-11-19 08:02:36,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (3 of 119 remaining) [2023-11-19 08:02:36,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (2 of 119 remaining) [2023-11-19 08:02:36,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (1 of 119 remaining) [2023-11-19 08:02:36,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (0 of 119 remaining) [2023-11-19 08:02:36,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 08:02:36,846 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:36,858 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 08:02:36,858 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:02:36,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:02:36 BasicIcfg [2023-11-19 08:02:36,867 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:02:36,868 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:02:36,868 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:02:36,868 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:02:36,869 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:13" (3/4) ... [2023-11-19 08:02:36,870 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 08:02:36,873 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-19 08:02:36,873 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-19 08:02:36,889 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-19 08:02:36,889 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 08:02:36,890 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 08:02:36,891 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 08:02:37,037 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3c1d9c-4aaa-4cc7-9553-52d3393a5fcf/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 08:02:37,038 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3c1d9c-4aaa-4cc7-9553-52d3393a5fcf/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 08:02:37,038 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:02:37,039 INFO L158 Benchmark]: Toolchain (without parser) took 25881.46ms. Allocated memory was 127.9MB in the beginning and 226.5MB in the end (delta: 98.6MB). Free memory was 94.0MB in the beginning and 153.4MB in the end (delta: -59.4MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2023-11-19 08:02:37,039 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:02:37,039 INFO L158 Benchmark]: CACSL2BoogieTranslator took 393.47ms. Allocated memory is still 127.9MB. Free memory was 94.0MB in the beginning and 80.3MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 08:02:37,040 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.06ms. Allocated memory is still 127.9MB. Free memory was 80.3MB in the beginning and 76.7MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:02:37,040 INFO L158 Benchmark]: Boogie Preprocessor took 119.64ms. Allocated memory is still 127.9MB. Free memory was 76.7MB in the beginning and 73.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:02:37,041 INFO L158 Benchmark]: RCFGBuilder took 1588.53ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 73.5MB in the beginning and 96.0MB in the end (delta: -22.5MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2023-11-19 08:02:37,041 INFO L158 Benchmark]: TraceAbstraction took 23512.66ms. Allocated memory was 155.2MB in the beginning and 226.5MB in the end (delta: 71.3MB). Free memory was 96.0MB in the beginning and 160.8MB in the end (delta: -64.7MB). Peak memory consumption was 117.0MB. Max. memory is 16.1GB. [2023-11-19 08:02:37,042 INFO L158 Benchmark]: Witness Printer took 170.28ms. Allocated memory is still 226.5MB. Free memory was 160.8MB in the beginning and 153.4MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 08:02:37,045 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 393.47ms. Allocated memory is still 127.9MB. Free memory was 94.0MB in the beginning and 80.3MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.06ms. Allocated memory is still 127.9MB. Free memory was 80.3MB in the beginning and 76.7MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.64ms. Allocated memory is still 127.9MB. Free memory was 76.7MB in the beginning and 73.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1588.53ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 73.5MB in the beginning and 96.0MB in the end (delta: -22.5MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * TraceAbstraction took 23512.66ms. Allocated memory was 155.2MB in the beginning and 226.5MB in the end (delta: 71.3MB). Free memory was 96.0MB in the beginning and 160.8MB in the end (delta: -64.7MB). Peak memory consumption was 117.0MB. Max. memory is 16.1GB. * Witness Printer took 170.28ms. Allocated memory is still 226.5MB. Free memory was 160.8MB in the beginning and 153.4MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.9s, 362 PlacesBefore, 120 PlacesAfterwards, 393 TransitionsBefore, 119 TransitionsAfterwards, 15610 CoEnabledTransitionPairs, 9 FixpointIterations, 251 TrivialSequentialCompositions, 158 ConcurrentSequentialCompositions, 27 TrivialYvCompositions, 11 ConcurrentYvCompositions, 32 ChoiceCompositions, 479 TotalNumberOfCompositions, 65592 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 20225, independent: 19179, independent conditional: 0, independent unconditional: 19179, dependent: 1046, dependent conditional: 0, dependent unconditional: 1046, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6032, independent: 5892, independent conditional: 0, independent unconditional: 5892, dependent: 140, dependent conditional: 0, dependent unconditional: 140, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20225, independent: 13287, independent conditional: 0, independent unconditional: 13287, dependent: 906, dependent conditional: 0, dependent unconditional: 906, unknown: 6032, unknown conditional: 0, unknown unconditional: 6032] , Statistics on independence cache: Total cache size (in pairs): 652, Positive cache size: 577, Positive conditional cache size: 0, Positive unconditional cache size: 577, Negative cache size: 75, Negative conditional cache size: 0, Negative unconditional cache size: 75, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: 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: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: 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: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: 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: 78]: 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: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: 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, 500 locations, 119 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: 23.2s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 17.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 762 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 412 mSDsluCounter, 61 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 270 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1522 IncrementalHoareTripleChecker+Invalid, 1792 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 270 mSolverCounterUnsat, 57 mSDtfsCounter, 1522 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=250occurred in iteration=0, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 438 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 8/8 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 69 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 08:02:37,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3c1d9c-4aaa-4cc7-9553-52d3393a5fcf/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE