./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version cf1a7837 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_9329784b-ccf1-44d0-8a15-416eeb1508c0/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9329784b-ccf1-44d0-8a15-416eeb1508c0/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9329784b-ccf1-44d0-8a15-416eeb1508c0/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9329784b-ccf1-44d0-8a15-416eeb1508c0/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9329784b-ccf1-44d0-8a15-416eeb1508c0/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9329784b-ccf1-44d0-8a15-416eeb1508c0/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dbd0a32f8466e9a1ac86b6dfec2b7453fe6f40d8d953742d93d3d05c5ad7b7af --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:13:10,993 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:13:11,095 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9329784b-ccf1-44d0-8a15-416eeb1508c0/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-12 02:13:11,100 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:13:11,101 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:13:11,141 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:13:11,142 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:13:11,142 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:13:11,143 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:13:11,148 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:13:11,149 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:13:11,150 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:13:11,150 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:13:11,152 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:13:11,152 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:13:11,153 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:13:11,153 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:13:11,153 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:13:11,154 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:13:11,154 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:13:11,154 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:13:11,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:13:11,155 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-12 02:13:11,156 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:13:11,156 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:13:11,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:13:11,157 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:13:11,158 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:13:11,158 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:13:11,159 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:13:11,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:13:11,160 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:13:11,161 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:13:11,161 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:13:11,161 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:13:11,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:13:11,161 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:13:11,162 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:13:11,162 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:13:11,162 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:13:11,162 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:13:11,163 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_9329784b-ccf1-44d0-8a15-416eeb1508c0/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9329784b-ccf1-44d0-8a15-416eeb1508c0/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbd0a32f8466e9a1ac86b6dfec2b7453fe6f40d8d953742d93d3d05c5ad7b7af [2023-11-12 02:13:11,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:13:11,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:13:11,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:13:11,475 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:13:11,476 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:13:11,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9329784b-ccf1-44d0-8a15-416eeb1508c0/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c [2023-11-12 02:13:14,491 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:13:14,727 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:13:14,728 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9329784b-ccf1-44d0-8a15-416eeb1508c0/sv-benchmarks/c/weaver/popl20-more-min-le-max.wvr.c [2023-11-12 02:13:14,737 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9329784b-ccf1-44d0-8a15-416eeb1508c0/bin/uautomizer-verify-uTZkv6EMXl/data/fbef438ec/81210cc85f68409d8ab0b336eeaa9e0c/FLAGe024e2be0 [2023-11-12 02:13:14,753 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9329784b-ccf1-44d0-8a15-416eeb1508c0/bin/uautomizer-verify-uTZkv6EMXl/data/fbef438ec/81210cc85f68409d8ab0b336eeaa9e0c [2023-11-12 02:13:14,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:13:14,757 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:13:14,759 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:13:14,759 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:13:14,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:13:14,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:13:14" (1/1) ... [2023-11-12 02:13:14,774 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b34ebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:14, skipping insertion in model container [2023-11-12 02:13:14,774 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:13:14" (1/1) ... [2023-11-12 02:13:14,808 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:13:15,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:13:15,064 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:13:15,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:13:15,124 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:13:15,124 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:13:15,132 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:13:15,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:15 WrapperNode [2023-11-12 02:13:15,133 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:13:15,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:13:15,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:13:15,135 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:13:15,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:15" (1/1) ... [2023-11-12 02:13:15,158 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:15" (1/1) ... [2023-11-12 02:13:15,191 INFO L138 Inliner]: procedures = 24, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 166 [2023-11-12 02:13:15,192 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:13:15,193 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:13:15,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:13:15,193 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:13:15,203 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:15" (1/1) ... [2023-11-12 02:13:15,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:15" (1/1) ... [2023-11-12 02:13:15,209 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:15" (1/1) ... [2023-11-12 02:13:15,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:15" (1/1) ... [2023-11-12 02:13:15,227 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:15" (1/1) ... [2023-11-12 02:13:15,232 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:15" (1/1) ... [2023-11-12 02:13:15,234 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:15" (1/1) ... [2023-11-12 02:13:15,237 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:15" (1/1) ... [2023-11-12 02:13:15,241 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:13:15,242 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:13:15,242 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:13:15,242 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:13:15,243 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:15" (1/1) ... [2023-11-12 02:13:15,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:13:15,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9329784b-ccf1-44d0-8a15-416eeb1508c0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:13:15,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9329784b-ccf1-44d0-8a15-416eeb1508c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:13:15,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9329784b-ccf1-44d0-8a15-416eeb1508c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:13:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:13:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 02:13:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 02:13:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 02:13:15,339 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 02:13:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 02:13:15,340 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 02:13:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:13:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:13:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:13:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 02:13:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 02:13:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:13:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:13:15,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:13:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:13:15,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:13:15,343 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:13:15,466 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:13:15,475 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:13:16,135 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:13:16,320 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:13:16,321 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-12 02:13:16,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:13:16 BoogieIcfgContainer [2023-11-12 02:13:16,325 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:13:16,329 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:13:16,329 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:13:16,332 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:13:16,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:13:14" (1/3) ... [2023-11-12 02:13:16,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@755eaaaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:13:16, skipping insertion in model container [2023-11-12 02:13:16,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:13:15" (2/3) ... [2023-11-12 02:13:16,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@755eaaaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:13:16, skipping insertion in model container [2023-11-12 02:13:16,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:13:16" (3/3) ... [2023-11-12 02:13:16,339 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-min-le-max.wvr.c [2023-11-12 02:13:16,349 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:13:16,361 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:13:16,361 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2023-11-12 02:13:16,362 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:13:16,497 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-12 02:13:16,557 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 249 places, 249 transitions, 519 flow [2023-11-12 02:13:16,718 INFO L124 PetriNetUnfolderBase]: 10/246 cut-off events. [2023-11-12 02:13:16,719 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-12 02:13:16,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 259 conditions, 246 events. 10/246 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 230 event pairs, 0 based on Foata normal form. 0/204 useless extension candidates. Maximal degree in co-relation 188. Up to 2 conditions per place. [2023-11-12 02:13:16,727 INFO L82 GeneralOperation]: Start removeDead. Operand has 249 places, 249 transitions, 519 flow [2023-11-12 02:13:16,740 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 224 places, 223 transitions, 464 flow [2023-11-12 02:13:16,747 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:13:16,764 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 224 places, 223 transitions, 464 flow [2023-11-12 02:13:16,769 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 224 places, 223 transitions, 464 flow [2023-11-12 02:13:16,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 224 places, 223 transitions, 464 flow [2023-11-12 02:13:16,848 INFO L124 PetriNetUnfolderBase]: 9/223 cut-off events. [2023-11-12 02:13:16,848 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-12 02:13:16,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 223 events. 9/223 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 227 event pairs, 0 based on Foata normal form. 0/183 useless extension candidates. Maximal degree in co-relation 188. Up to 2 conditions per place. [2023-11-12 02:13:16,855 INFO L119 LiptonReduction]: Number of co-enabled transitions 3738 [2023-11-12 02:13:27,306 INFO L134 LiptonReduction]: Checked pairs total: 18984 [2023-11-12 02:13:27,313 INFO L136 LiptonReduction]: Total number of compositions: 235 [2023-11-12 02:13:27,334 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:13:27,345 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;@200e5b7e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:13:27,346 INFO L358 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2023-11-12 02:13:27,348 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-12 02:13:27,348 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-12 02:13:27,348 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:13:27,350 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:13:27,350 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-12 02:13:27,351 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-11-12 02:13:27,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:13:27,357 INFO L85 PathProgramCache]: Analyzing trace with hash 999, now seen corresponding path program 1 times [2023-11-12 02:13:27,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:13:27,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978827775] [2023-11-12 02:13:27,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:13:27,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:13:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:13:27,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:13:27,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:13:27,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978827775] [2023-11-12 02:13:27,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978827775] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:13:27,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:13:27,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-12 02:13:27,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958314538] [2023-11-12 02:13:27,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:13:27,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:13:27,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:13:27,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:13:27,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:13:27,530 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 484 [2023-11-12 02:13:27,534 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 67 transitions, 152 flow. Second operand has 2 states, 2 states have (on average 217.5) internal successors, (435), 2 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:27,534 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:13:27,534 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 484 [2023-11-12 02:13:27,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:13:27,706 INFO L124 PetriNetUnfolderBase]: 174/439 cut-off events. [2023-11-12 02:13:27,707 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2023-11-12 02:13:27,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 760 conditions, 439 events. 174/439 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2175 event pairs, 125 based on Foata normal form. 49/420 useless extension candidates. Maximal degree in co-relation 632. Up to 274 conditions per place. [2023-11-12 02:13:27,718 INFO L140 encePairwiseOnDemand]: 454/484 looper letters, 19 selfloop transitions, 0 changer transitions 3/37 dead transitions. [2023-11-12 02:13:27,718 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 37 transitions, 136 flow [2023-11-12 02:13:27,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:13:27,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-12 02:13:27,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 486 transitions. [2023-11-12 02:13:27,744 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5020661157024794 [2023-11-12 02:13:27,745 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 486 transitions. [2023-11-12 02:13:27,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 486 transitions. [2023-11-12 02:13:27,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:13:27,754 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 486 transitions. [2023-11-12 02:13:27,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 243.0) internal successors, (486), 2 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:27,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 484.0) internal successors, (1452), 3 states have internal predecessors, (1452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:27,767 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 484.0) internal successors, (1452), 3 states have internal predecessors, (1452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:27,769 INFO L175 Difference]: Start difference. First operand has 72 places, 67 transitions, 152 flow. Second operand 2 states and 486 transitions. [2023-11-12 02:13:27,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 37 transitions, 136 flow [2023-11-12 02:13:27,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 37 transitions, 124 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-12 02:13:27,777 INFO L231 Difference]: Finished difference. Result has 39 places, 34 transitions, 72 flow [2023-11-12 02:13:27,779 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=484, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=72, PETRI_PLACES=39, PETRI_TRANSITIONS=34} [2023-11-12 02:13:27,783 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -33 predicate places. [2023-11-12 02:13:27,783 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 34 transitions, 72 flow [2023-11-12 02:13:27,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 217.5) internal successors, (435), 2 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:27,784 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:13:27,784 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:13:27,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:13:27,785 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-11-12 02:13:27,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:13:27,786 INFO L85 PathProgramCache]: Analyzing trace with hash 222258218, now seen corresponding path program 1 times [2023-11-12 02:13:27,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:13:27,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560006999] [2023-11-12 02:13:27,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:13:27,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:13:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:13:27,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:13:27,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:13:27,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560006999] [2023-11-12 02:13:27,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560006999] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:13:27,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:13:27,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:13:27,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702798109] [2023-11-12 02:13:27,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:13:27,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:13:27,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:13:27,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:13:27,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:13:27,955 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 484 [2023-11-12 02:13:27,956 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 34 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 206.0) internal successors, (618), 3 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:27,956 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:13:27,956 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 484 [2023-11-12 02:13:27,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:13:28,110 INFO L124 PetriNetUnfolderBase]: 342/824 cut-off events. [2023-11-12 02:13:28,111 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2023-11-12 02:13:28,113 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1382 conditions, 824 events. 342/824 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 4639 event pairs, 275 based on Foata normal form. 0/697 useless extension candidates. Maximal degree in co-relation 1379. Up to 524 conditions per place. [2023-11-12 02:13:28,118 INFO L140 encePairwiseOnDemand]: 481/484 looper letters, 21 selfloop transitions, 1 changer transitions 0/32 dead transitions. [2023-11-12 02:13:28,118 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 32 transitions, 112 flow [2023-11-12 02:13:28,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:13:28,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:13:28,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 636 transitions. [2023-11-12 02:13:28,124 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4380165289256198 [2023-11-12 02:13:28,125 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 636 transitions. [2023-11-12 02:13:28,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 636 transitions. [2023-11-12 02:13:28,129 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:13:28,130 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 636 transitions. [2023-11-12 02:13:28,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:28,140 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 484.0) internal successors, (1936), 4 states have internal predecessors, (1936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:28,142 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 484.0) internal successors, (1936), 4 states have internal predecessors, (1936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:28,143 INFO L175 Difference]: Start difference. First operand has 39 places, 34 transitions, 72 flow. Second operand 3 states and 636 transitions. [2023-11-12 02:13:28,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 32 transitions, 112 flow [2023-11-12 02:13:28,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 32 transitions, 112 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-12 02:13:28,146 INFO L231 Difference]: Finished difference. Result has 36 places, 32 transitions, 70 flow [2023-11-12 02:13:28,153 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=484, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=36, PETRI_TRANSITIONS=32} [2023-11-12 02:13:28,155 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -36 predicate places. [2023-11-12 02:13:28,155 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 32 transitions, 70 flow [2023-11-12 02:13:28,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 206.0) internal successors, (618), 3 states have internal predecessors, (618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:28,156 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:13:28,156 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:13:28,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:13:28,157 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-11-12 02:13:28,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:13:28,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1836339200, now seen corresponding path program 1 times [2023-11-12 02:13:28,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:13:28,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895771391] [2023-11-12 02:13:28,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:13:28,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:13:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:13:28,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:13:28,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:13:28,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895771391] [2023-11-12 02:13:28,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895771391] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:13:28,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:13:28,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:13:28,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137341330] [2023-11-12 02:13:28,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:13:28,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:13:28,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:13:28,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:13:28,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:13:28,502 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 210 out of 484 [2023-11-12 02:13:28,504 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 32 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 212.66666666666666) internal successors, (638), 3 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:28,504 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:13:28,504 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 210 of 484 [2023-11-12 02:13:28,504 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:13:28,626 INFO L124 PetriNetUnfolderBase]: 172/427 cut-off events. [2023-11-12 02:13:28,627 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-12 02:13:28,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 716 conditions, 427 events. 172/427 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 2094 event pairs, 123 based on Foata normal form. 0/363 useless extension candidates. Maximal degree in co-relation 712. Up to 267 conditions per place. [2023-11-12 02:13:28,631 INFO L140 encePairwiseOnDemand]: 481/484 looper letters, 18 selfloop transitions, 2 changer transitions 0/33 dead transitions. [2023-11-12 02:13:28,631 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 33 transitions, 112 flow [2023-11-12 02:13:28,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:13:28,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:13:28,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 651 transitions. [2023-11-12 02:13:28,635 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44834710743801653 [2023-11-12 02:13:28,635 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 651 transitions. [2023-11-12 02:13:28,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 651 transitions. [2023-11-12 02:13:28,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:13:28,636 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 651 transitions. [2023-11-12 02:13:28,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 217.0) internal successors, (651), 3 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:28,643 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 484.0) internal successors, (1936), 4 states have internal predecessors, (1936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:28,644 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 484.0) internal successors, (1936), 4 states have internal predecessors, (1936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:28,645 INFO L175 Difference]: Start difference. First operand has 36 places, 32 transitions, 70 flow. Second operand 3 states and 651 transitions. [2023-11-12 02:13:28,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 33 transitions, 112 flow [2023-11-12 02:13:28,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 33 transitions, 111 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-12 02:13:28,647 INFO L231 Difference]: Finished difference. Result has 38 places, 33 transitions, 81 flow [2023-11-12 02:13:28,647 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=484, PETRI_DIFFERENCE_MINUEND_FLOW=69, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=81, PETRI_PLACES=38, PETRI_TRANSITIONS=33} [2023-11-12 02:13:28,649 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -34 predicate places. [2023-11-12 02:13:28,649 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 33 transitions, 81 flow [2023-11-12 02:13:28,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 212.66666666666666) internal successors, (638), 3 states have internal predecessors, (638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:28,650 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:13:28,650 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:13:28,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:13:28,655 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-11-12 02:13:28,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:13:28,657 INFO L85 PathProgramCache]: Analyzing trace with hash -307242889, now seen corresponding path program 1 times [2023-11-12 02:13:28,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:13:28,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670037896] [2023-11-12 02:13:28,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:13:28,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:13:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:13:29,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:13:29,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:13:29,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670037896] [2023-11-12 02:13:29,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670037896] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:13:29,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:13:29,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:13:29,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20210512] [2023-11-12 02:13:29,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:13:29,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:13:29,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:13:29,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:13:29,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:13:29,501 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 484 [2023-11-12 02:13:29,504 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 33 transitions, 81 flow. Second operand has 6 states, 6 states have (on average 205.16666666666666) internal successors, (1231), 6 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:29,504 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:13:29,504 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 484 [2023-11-12 02:13:29,504 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:13:29,828 INFO L124 PetriNetUnfolderBase]: 412/643 cut-off events. [2023-11-12 02:13:29,828 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:13:29,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1274 conditions, 643 events. 412/643 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 2350 event pairs, 63 based on Foata normal form. 0/579 useless extension candidates. Maximal degree in co-relation 1269. Up to 198 conditions per place. [2023-11-12 02:13:29,834 INFO L140 encePairwiseOnDemand]: 479/484 looper letters, 52 selfloop transitions, 4 changer transitions 0/64 dead transitions. [2023-11-12 02:13:29,835 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 64 transitions, 255 flow [2023-11-12 02:13:29,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:13:29,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:13:29,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1274 transitions. [2023-11-12 02:13:29,841 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43870523415977963 [2023-11-12 02:13:29,841 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1274 transitions. [2023-11-12 02:13:29,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1274 transitions. [2023-11-12 02:13:29,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:13:29,843 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1274 transitions. [2023-11-12 02:13:29,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 212.33333333333334) internal successors, (1274), 6 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:29,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 484.0) internal successors, (3388), 7 states have internal predecessors, (3388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:29,857 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 484.0) internal successors, (3388), 7 states have internal predecessors, (3388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:29,858 INFO L175 Difference]: Start difference. First operand has 38 places, 33 transitions, 81 flow. Second operand 6 states and 1274 transitions. [2023-11-12 02:13:29,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 64 transitions, 255 flow [2023-11-12 02:13:29,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 64 transitions, 251 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-12 02:13:29,861 INFO L231 Difference]: Finished difference. Result has 41 places, 32 transitions, 83 flow [2023-11-12 02:13:29,861 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=484, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=83, PETRI_PLACES=41, PETRI_TRANSITIONS=32} [2023-11-12 02:13:29,862 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -31 predicate places. [2023-11-12 02:13:29,862 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 32 transitions, 83 flow [2023-11-12 02:13:29,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 205.16666666666666) internal successors, (1231), 6 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:29,864 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:13:29,864 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] [2023-11-12 02:13:29,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:13:29,865 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-11-12 02:13:29,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:13:29,865 INFO L85 PathProgramCache]: Analyzing trace with hash 770647834, now seen corresponding path program 1 times [2023-11-12 02:13:29,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:13:29,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293473756] [2023-11-12 02:13:29,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:13:29,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:13:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:13:29,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:13:29,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:13:29,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293473756] [2023-11-12 02:13:29,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293473756] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:13:29,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:13:29,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:13:29,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721924781] [2023-11-12 02:13:29,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:13:29,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:13:29,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:13:29,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:13:29,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:13:29,989 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 484 [2023-11-12 02:13:29,990 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 32 transitions, 83 flow. Second operand has 4 states, 4 states have (on average 214.25) internal successors, (857), 4 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:29,991 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:13:29,991 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 484 [2023-11-12 02:13:29,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:13:30,131 INFO L124 PetriNetUnfolderBase]: 248/534 cut-off events. [2023-11-12 02:13:30,131 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2023-11-12 02:13:30,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1059 conditions, 534 events. 248/534 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2467 event pairs, 107 based on Foata normal form. 0/493 useless extension candidates. Maximal degree in co-relation 1054. Up to 264 conditions per place. [2023-11-12 02:13:30,136 INFO L140 encePairwiseOnDemand]: 480/484 looper letters, 28 selfloop transitions, 3 changer transitions 0/43 dead transitions. [2023-11-12 02:13:30,136 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 43 transitions, 171 flow [2023-11-12 02:13:30,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:13:30,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-12 02:13:30,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 875 transitions. [2023-11-12 02:13:30,141 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4519628099173554 [2023-11-12 02:13:30,141 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 875 transitions. [2023-11-12 02:13:30,141 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 875 transitions. [2023-11-12 02:13:30,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:13:30,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 875 transitions. [2023-11-12 02:13:30,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 218.75) internal successors, (875), 4 states have internal predecessors, (875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:30,150 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 484.0) internal successors, (2420), 5 states have internal predecessors, (2420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:30,152 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 484.0) internal successors, (2420), 5 states have internal predecessors, (2420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:30,152 INFO L175 Difference]: Start difference. First operand has 41 places, 32 transitions, 83 flow. Second operand 4 states and 875 transitions. [2023-11-12 02:13:30,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 43 transitions, 171 flow [2023-11-12 02:13:30,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 43 transitions, 162 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-12 02:13:30,156 INFO L231 Difference]: Finished difference. Result has 41 places, 33 transitions, 90 flow [2023-11-12 02:13:30,156 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=484, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=90, PETRI_PLACES=41, PETRI_TRANSITIONS=33} [2023-11-12 02:13:30,157 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -31 predicate places. [2023-11-12 02:13:30,157 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 33 transitions, 90 flow [2023-11-12 02:13:30,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 214.25) internal successors, (857), 4 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:30,158 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:13:30,158 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:13:30,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 02:13:30,159 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-11-12 02:13:30,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:13:30,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1814142515, now seen corresponding path program 1 times [2023-11-12 02:13:30,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:13:30,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211116435] [2023-11-12 02:13:30,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:13:30,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:13:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:13:30,657 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 02:13:30,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:13:30,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211116435] [2023-11-12 02:13:30,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211116435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:13:30,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:13:30,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:13:30,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285525650] [2023-11-12 02:13:30,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:13:30,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:13:30,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:13:30,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:13:30,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:13:30,954 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 484 [2023-11-12 02:13:30,956 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 33 transitions, 90 flow. Second operand has 6 states, 6 states have (on average 206.16666666666666) internal successors, (1237), 6 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:30,957 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:13:30,957 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 484 [2023-11-12 02:13:30,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:13:31,187 INFO L124 PetriNetUnfolderBase]: 284/606 cut-off events. [2023-11-12 02:13:31,187 INFO L125 PetriNetUnfolderBase]: For 112/112 co-relation queries the response was YES. [2023-11-12 02:13:31,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1221 conditions, 606 events. 284/606 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2920 event pairs, 180 based on Foata normal form. 0/594 useless extension candidates. Maximal degree in co-relation 1215. Up to 369 conditions per place. [2023-11-12 02:13:31,190 INFO L140 encePairwiseOnDemand]: 479/484 looper letters, 0 selfloop transitions, 0 changer transitions 48/48 dead transitions. [2023-11-12 02:13:31,190 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 48 transitions, 202 flow [2023-11-12 02:13:31,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:13:31,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:13:31,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1258 transitions. [2023-11-12 02:13:31,195 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4331955922865014 [2023-11-12 02:13:31,195 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1258 transitions. [2023-11-12 02:13:31,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1258 transitions. [2023-11-12 02:13:31,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:13:31,197 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1258 transitions. [2023-11-12 02:13:31,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 209.66666666666666) internal successors, (1258), 6 states have internal predecessors, (1258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:31,206 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 484.0) internal successors, (3388), 7 states have internal predecessors, (3388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:31,208 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 484.0) internal successors, (3388), 7 states have internal predecessors, (3388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:31,208 INFO L175 Difference]: Start difference. First operand has 41 places, 33 transitions, 90 flow. Second operand 6 states and 1258 transitions. [2023-11-12 02:13:31,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 48 transitions, 202 flow [2023-11-12 02:13:31,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 48 transitions, 198 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-12 02:13:31,210 INFO L231 Difference]: Finished difference. Result has 43 places, 0 transitions, 0 flow [2023-11-12 02:13:31,210 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=484, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=43, PETRI_TRANSITIONS=0} [2023-11-12 02:13:31,211 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -29 predicate places. [2023-11-12 02:13:31,211 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 0 transitions, 0 flow [2023-11-12 02:13:31,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 206.16666666666666) internal successors, (1237), 6 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:13:31,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (51 of 52 remaining) [2023-11-12 02:13:31,214 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (50 of 52 remaining) [2023-11-12 02:13:31,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (49 of 52 remaining) [2023-11-12 02:13:31,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (48 of 52 remaining) [2023-11-12 02:13:31,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (47 of 52 remaining) [2023-11-12 02:13:31,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (46 of 52 remaining) [2023-11-12 02:13:31,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (45 of 52 remaining) [2023-11-12 02:13:31,215 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (44 of 52 remaining) [2023-11-12 02:13:31,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (43 of 52 remaining) [2023-11-12 02:13:31,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (42 of 52 remaining) [2023-11-12 02:13:31,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (41 of 52 remaining) [2023-11-12 02:13:31,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (40 of 52 remaining) [2023-11-12 02:13:31,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (39 of 52 remaining) [2023-11-12 02:13:31,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (38 of 52 remaining) [2023-11-12 02:13:31,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (37 of 52 remaining) [2023-11-12 02:13:31,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (36 of 52 remaining) [2023-11-12 02:13:31,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (35 of 52 remaining) [2023-11-12 02:13:31,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (34 of 52 remaining) [2023-11-12 02:13:31,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (33 of 52 remaining) [2023-11-12 02:13:31,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (32 of 52 remaining) [2023-11-12 02:13:31,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (31 of 52 remaining) [2023-11-12 02:13:31,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (30 of 52 remaining) [2023-11-12 02:13:31,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (29 of 52 remaining) [2023-11-12 02:13:31,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (28 of 52 remaining) [2023-11-12 02:13:31,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (27 of 52 remaining) [2023-11-12 02:13:31,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (26 of 52 remaining) [2023-11-12 02:13:31,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (25 of 52 remaining) [2023-11-12 02:13:31,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (24 of 52 remaining) [2023-11-12 02:13:31,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (23 of 52 remaining) [2023-11-12 02:13:31,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (22 of 52 remaining) [2023-11-12 02:13:31,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (21 of 52 remaining) [2023-11-12 02:13:31,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (20 of 52 remaining) [2023-11-12 02:13:31,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 52 remaining) [2023-11-12 02:13:31,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 52 remaining) [2023-11-12 02:13:31,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 52 remaining) [2023-11-12 02:13:31,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (16 of 52 remaining) [2023-11-12 02:13:31,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (15 of 52 remaining) [2023-11-12 02:13:31,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (14 of 52 remaining) [2023-11-12 02:13:31,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (13 of 52 remaining) [2023-11-12 02:13:31,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (12 of 52 remaining) [2023-11-12 02:13:31,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (11 of 52 remaining) [2023-11-12 02:13:31,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (10 of 52 remaining) [2023-11-12 02:13:31,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 52 remaining) [2023-11-12 02:13:31,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (8 of 52 remaining) [2023-11-12 02:13:31,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (7 of 52 remaining) [2023-11-12 02:13:31,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (6 of 52 remaining) [2023-11-12 02:13:31,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (5 of 52 remaining) [2023-11-12 02:13:31,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (4 of 52 remaining) [2023-11-12 02:13:31,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (3 of 52 remaining) [2023-11-12 02:13:31,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (2 of 52 remaining) [2023-11-12 02:13:31,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 52 remaining) [2023-11-12 02:13:31,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (0 of 52 remaining) [2023-11-12 02:13:31,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 02:13:31,223 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-12 02:13:31,228 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-12 02:13:31,228 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:13:31,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:13:31 BasicIcfg [2023-11-12 02:13:31,237 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:13:31,238 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:13:31,238 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:13:31,238 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:13:31,239 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:13:16" (3/4) ... [2023-11-12 02:13:31,240 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:13:31,243 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-12 02:13:31,243 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-12 02:13:31,243 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-12 02:13:31,252 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-12 02:13:31,252 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 02:13:31,253 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 02:13:31,254 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:13:31,371 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9329784b-ccf1-44d0-8a15-416eeb1508c0/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:13:31,371 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9329784b-ccf1-44d0-8a15-416eeb1508c0/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:13:31,372 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:13:31,372 INFO L158 Benchmark]: Toolchain (without parser) took 16614.97ms. Allocated memory was 157.3MB in the beginning and 260.0MB in the end (delta: 102.8MB). Free memory was 111.0MB in the beginning and 222.3MB in the end (delta: -111.3MB). Peak memory consumption was 140.1MB. Max. memory is 16.1GB. [2023-11-12 02:13:31,373 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 157.3MB. Free memory is still 131.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:13:31,373 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.62ms. Allocated memory is still 157.3MB. Free memory was 110.8MB in the beginning and 98.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 02:13:31,373 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.69ms. Allocated memory is still 157.3MB. Free memory was 98.2MB in the beginning and 95.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:13:31,374 INFO L158 Benchmark]: Boogie Preprocessor took 48.36ms. Allocated memory is still 157.3MB. Free memory was 95.7MB in the beginning and 93.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:13:31,374 INFO L158 Benchmark]: RCFGBuilder took 1083.21ms. Allocated memory was 157.3MB in the beginning and 216.0MB in the end (delta: 58.7MB). Free memory was 93.2MB in the beginning and 159.8MB in the end (delta: -66.6MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2023-11-12 02:13:31,374 INFO L158 Benchmark]: TraceAbstraction took 14908.58ms. Allocated memory was 216.0MB in the beginning and 260.0MB in the end (delta: 44.0MB). Free memory was 158.7MB in the beginning and 79.4MB in the end (delta: 79.3MB). Peak memory consumption was 124.4MB. Max. memory is 16.1GB. [2023-11-12 02:13:31,375 INFO L158 Benchmark]: Witness Printer took 133.83ms. Allocated memory is still 260.0MB. Free memory was 79.4MB in the beginning and 222.3MB in the end (delta: -142.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:13:31,377 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 157.3MB. Free memory is still 131.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.62ms. Allocated memory is still 157.3MB. Free memory was 110.8MB in the beginning and 98.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.69ms. Allocated memory is still 157.3MB. Free memory was 98.2MB in the beginning and 95.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.36ms. Allocated memory is still 157.3MB. Free memory was 95.7MB in the beginning and 93.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1083.21ms. Allocated memory was 157.3MB in the beginning and 216.0MB in the end (delta: 58.7MB). Free memory was 93.2MB in the beginning and 159.8MB in the end (delta: -66.6MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. * TraceAbstraction took 14908.58ms. Allocated memory was 216.0MB in the beginning and 260.0MB in the end (delta: 44.0MB). Free memory was 158.7MB in the beginning and 79.4MB in the end (delta: 79.3MB). Peak memory consumption was 124.4MB. Max. memory is 16.1GB. * Witness Printer took 133.83ms. Allocated memory is still 260.0MB. Free memory was 79.4MB in the beginning and 222.3MB in the end (delta: -142.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.5s, 224 PlacesBefore, 72 PlacesAfterwards, 223 TransitionsBefore, 67 TransitionsAfterwards, 3738 CoEnabledTransitionPairs, 8 FixpointIterations, 165 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 10 TrivialYvCompositions, 6 ConcurrentYvCompositions, 4 ChoiceCompositions, 235 TotalNumberOfCompositions, 18984 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8938, independent: 8389, independent conditional: 0, independent unconditional: 8389, dependent: 549, dependent conditional: 0, dependent unconditional: 549, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1895, independent: 1829, independent conditional: 0, independent unconditional: 1829, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8938, independent: 6560, independent conditional: 0, independent unconditional: 6560, dependent: 483, dependent conditional: 0, dependent unconditional: 483, unknown: 1895, unknown conditional: 0, unknown unconditional: 1895] , Statistics on independence cache: Total cache size (in pairs): 429, Positive cache size: 386, Positive conditional cache size: 0, Positive unconditional cache size: 386, Negative cache size: 43, Negative conditional cache size: 0, Negative unconditional cache size: 43, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 291 locations, 52 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: 14.7s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 447 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 225 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 175 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 944 IncrementalHoareTripleChecker+Invalid, 1119 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 175 mSolverCounterUnsat, 31 mSDtfsCounter, 944 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=152occurred in iteration=0, InterpolantAutomatonStates: 24, 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, 1.2s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 73 ConstructedInterpolants, 0 QuantifiedInterpolants, 261 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 5/5 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-12 02:13:31,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9329784b-ccf1-44d0-8a15-416eeb1508c0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE