./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe019_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc 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_483b849f-ef66-4193-8211-6c4e12f64dce/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483b849f-ef66-4193-8211-6c4e12f64dce/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483b849f-ef66-4193-8211-6c4e12f64dce/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483b849f-ef66-4193-8211-6c4e12f64dce/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe019_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483b849f-ef66-4193-8211-6c4e12f64dce/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483b849f-ef66-4193-8211-6c4e12f64dce/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2ad190c36ab064f1e4bfbebf06775e6b037058a5a86becabf7b70897d3619304 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:00:47,083 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:00:47,226 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483b849f-ef66-4193-8211-6c4e12f64dce/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 12:00:47,231 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:00:47,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:00:47,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:00:47,273 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:00:47,274 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:00:47,276 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:00:47,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:00:47,281 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:00:47,282 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:00:47,283 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:00:47,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:00:47,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:00:47,284 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:00:47,285 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:00:47,285 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:00:47,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:00:47,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:00:47,287 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:00:47,287 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:00:47,288 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 12:00:47,288 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 12:00:47,289 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:00:47,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:00:47,290 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:00:47,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:00:47,291 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:00:47,291 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:00:47,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:00:47,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:00:47,292 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:00:47,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:00:47,293 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:00:47,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:00:47,294 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:00:47,294 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:00:47,294 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:00:47,295 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:00:47,295 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:00:47,295 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_483b849f-ef66-4193-8211-6c4e12f64dce/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483b849f-ef66-4193-8211-6c4e12f64dce/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ad190c36ab064f1e4bfbebf06775e6b037058a5a86becabf7b70897d3619304 [2023-11-26 12:00:47,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:00:47,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:00:47,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:00:47,641 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:00:47,643 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:00:47,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483b849f-ef66-4193-8211-6c4e12f64dce/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/pthread-wmm/safe019_rmo.opt.i [2023-11-26 12:00:50,782 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:00:51,177 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:00:51,178 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483b849f-ef66-4193-8211-6c4e12f64dce/sv-benchmarks/c/pthread-wmm/safe019_rmo.opt.i [2023-11-26 12:00:51,204 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483b849f-ef66-4193-8211-6c4e12f64dce/bin/uautomizer-verify-VRDe98Ueme/data/5f5a27d52/8e756916504f4b5a90220440830b94d8/FLAG8341f888a [2023-11-26 12:00:51,219 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483b849f-ef66-4193-8211-6c4e12f64dce/bin/uautomizer-verify-VRDe98Ueme/data/5f5a27d52/8e756916504f4b5a90220440830b94d8 [2023-11-26 12:00:51,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:00:51,223 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:00:51,225 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:51,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:00:51,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:00:51,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:51" (1/1) ... [2023-11-26 12:00:51,233 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59c8dbd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:51, skipping insertion in model container [2023-11-26 12:00:51,233 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:51" (1/1) ... [2023-11-26 12:00:51,287 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:00:51,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:00:51,870 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:00:51,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:00:52,011 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:00:52,012 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:00:52,020 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:00:52,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:52 WrapperNode [2023-11-26 12:00:52,021 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:52,023 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:00:52,023 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:00:52,023 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:00:52,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:52" (1/1) ... [2023-11-26 12:00:52,112 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:52" (1/1) ... [2023-11-26 12:00:52,184 INFO L138 Inliner]: procedures = 177, calls = 87, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 339 [2023-11-26 12:00:52,184 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:00:52,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:00:52,186 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:00:52,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:00:52,196 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:52" (1/1) ... [2023-11-26 12:00:52,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:52" (1/1) ... [2023-11-26 12:00:52,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:52" (1/1) ... [2023-11-26 12:00:52,216 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:52" (1/1) ... [2023-11-26 12:00:52,284 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:52" (1/1) ... [2023-11-26 12:00:52,295 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:52" (1/1) ... [2023-11-26 12:00:52,302 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:52" (1/1) ... [2023-11-26 12:00:52,309 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:52" (1/1) ... [2023-11-26 12:00:52,322 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:00:52,323 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:00:52,323 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:00:52,323 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:00:52,324 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:52" (1/1) ... [2023-11-26 12:00:52,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:00:52,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483b849f-ef66-4193-8211-6c4e12f64dce/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:52,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483b849f-ef66-4193-8211-6c4e12f64dce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:52,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_483b849f-ef66-4193-8211-6c4e12f64dce/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:00:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 12:00:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 12:00:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 12:00:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:00:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 12:00:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 12:00:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-26 12:00:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-26 12:00:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-26 12:00:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-26 12:00:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-26 12:00:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-26 12:00:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-26 12:00:52,407 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-26 12:00:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 12:00:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 12:00:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:00:52,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:00:52,410 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 12:00:52,688 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:00:52,690 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:00:54,968 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:01:07,829 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:01:07,831 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 12:01:07,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:01:07 BoogieIcfgContainer [2023-11-26 12:01:07,833 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:01:07,836 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:01:07,837 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:01:07,840 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:01:07,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:00:51" (1/3) ... [2023-11-26 12:01:07,841 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e8a021e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:01:07, skipping insertion in model container [2023-11-26 12:01:07,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:52" (2/3) ... [2023-11-26 12:01:07,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e8a021e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:01:07, skipping insertion in model container [2023-11-26 12:01:07,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:01:07" (3/3) ... [2023-11-26 12:01:07,844 INFO L112 eAbstractionObserver]: Analyzing ICFG safe019_rmo.opt.i [2023-11-26 12:01:07,854 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 12:01:07,862 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:01:07,862 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 336 error locations. [2023-11-26 12:01:07,863 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 12:01:08,869 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-26 12:01:08,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 502 places, 492 transitions, 1000 flow [2023-11-26 12:01:09,445 INFO L124 PetriNetUnfolderBase]: 3/488 cut-off events. [2023-11-26 12:01:09,445 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 12:01:09,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 501 conditions, 488 events. 3/488 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2964 event pairs, 0 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 432. Up to 2 conditions per place. [2023-11-26 12:01:09,463 INFO L82 GeneralOperation]: Start removeDead. Operand has 502 places, 492 transitions, 1000 flow [2023-11-26 12:01:09,506 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 498 places, 488 transitions, 988 flow [2023-11-26 12:01:09,518 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:01:09,525 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;@27ea96cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:01:09,525 INFO L358 AbstractCegarLoop]: Starting to check reachability of 631 error locations. [2023-11-26 12:01:09,539 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 12:01:09,539 INFO L124 PetriNetUnfolderBase]: 0/64 cut-off events. [2023-11-26 12:01:09,540 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 12:01:09,540 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:01:09,541 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:01:09,541 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 627 more)] === [2023-11-26 12:01:09,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:09,548 INFO L85 PathProgramCache]: Analyzing trace with hash 146506718, now seen corresponding path program 1 times [2023-11-26 12:01:09,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:09,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369655748] [2023-11-26 12:01:09,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:09,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:10,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:01:10,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:01:10,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369655748] [2023-11-26 12:01:10,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369655748] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:01:10,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:01:10,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-26 12:01:10,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512012601] [2023-11-26 12:01:10,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:01:10,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 12:01:10,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:01:10,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 12:01:10,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:01:10,228 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 134 out of 492 [2023-11-26 12:01:10,233 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 498 places, 488 transitions, 988 flow. Second operand has 2 states, 2 states have (on average 135.0) internal successors, (270), 2 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:10,234 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:01:10,234 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 134 of 492 [2023-11-26 12:01:10,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:01:24,061 INFO L124 PetriNetUnfolderBase]: 3796/13674 cut-off events. [2023-11-26 12:01:24,062 INFO L125 PetriNetUnfolderBase]: For 101/101 co-relation queries the response was YES. [2023-11-26 12:01:24,131 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19058 conditions, 13674 events. 3796/13674 cut-off events. For 101/101 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 163268 event pairs, 3796 based on Foata normal form. 910/13790 useless extension candidates. Maximal degree in co-relation 18987. Up to 5177 conditions per place. [2023-11-26 12:01:24,212 INFO L140 encePairwiseOnDemand]: 155/492 looper letters, 20 selfloop transitions, 0 changer transitions 0/148 dead transitions. [2023-11-26 12:01:24,213 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 148 transitions, 348 flow [2023-11-26 12:01:24,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 12:01:24,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-26 12:01:24,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 625 transitions. [2023-11-26 12:01:24,240 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6351626016260162 [2023-11-26 12:01:24,241 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 625 transitions. [2023-11-26 12:01:24,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 625 transitions. [2023-11-26 12:01:24,247 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:01:24,250 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 625 transitions. [2023-11-26 12:01:24,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 312.5) internal successors, (625), 2 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:24,265 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 492.0) internal successors, (1476), 3 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:24,266 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 492.0) internal successors, (1476), 3 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:24,268 INFO L175 Difference]: Start difference. First operand has 498 places, 488 transitions, 988 flow. Second operand 2 states and 625 transitions. [2023-11-26 12:01:24,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 148 transitions, 348 flow [2023-11-26 12:01:24,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 148 transitions, 344 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 12:01:24,280 INFO L231 Difference]: Finished difference. Result has 158 places, 148 transitions, 304 flow [2023-11-26 12:01:24,283 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=492, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=304, PETRI_PLACES=158, PETRI_TRANSITIONS=148} [2023-11-26 12:01:24,287 INFO L281 CegarLoopForPetriNet]: 498 programPoint places, -340 predicate places. [2023-11-26 12:01:24,288 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 148 transitions, 304 flow [2023-11-26 12:01:24,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 135.0) internal successors, (270), 2 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:24,288 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:01:24,289 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:01:24,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 12:01:24,289 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 627 more)] === [2023-11-26 12:01:24,292 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:24,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1128321816, now seen corresponding path program 1 times [2023-11-26 12:01:24,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:24,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924458576] [2023-11-26 12:01:24,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:24,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:24,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:01:24,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:01:24,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924458576] [2023-11-26 12:01:24,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924458576] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:01:24,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:01:24,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:01:24,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178673738] [2023-11-26 12:01:24,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:01:24,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:01:24,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:01:24,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:01:24,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:01:24,576 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 492 [2023-11-26 12:01:24,577 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 148 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:24,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:01:24,577 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 492 [2023-11-26 12:01:24,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:01:38,361 INFO L124 PetriNetUnfolderBase]: 5748/18293 cut-off events. [2023-11-26 12:01:38,361 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 12:01:38,422 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26266 conditions, 18293 events. 5748/18293 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 458. Compared 210611 event pairs, 1844 based on Foata normal form. 0/17289 useless extension candidates. Maximal degree in co-relation 26263. Up to 5184 conditions per place. [2023-11-26 12:01:38,495 INFO L140 encePairwiseOnDemand]: 490/492 looper letters, 34 selfloop transitions, 1 changer transitions 0/160 dead transitions. [2023-11-26 12:01:38,496 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 160 transitions, 398 flow [2023-11-26 12:01:38,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:01:38,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:01:38,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 429 transitions. [2023-11-26 12:01:38,500 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.29065040650406504 [2023-11-26 12:01:38,501 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 429 transitions. [2023-11-26 12:01:38,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 429 transitions. [2023-11-26 12:01:38,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:01:38,503 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 429 transitions. [2023-11-26 12:01:38,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 143.0) internal successors, (429), 3 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:38,512 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 492.0) internal successors, (1968), 4 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:38,513 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 492.0) internal successors, (1968), 4 states have internal predecessors, (1968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:38,514 INFO L175 Difference]: Start difference. First operand has 158 places, 148 transitions, 304 flow. Second operand 3 states and 429 transitions. [2023-11-26 12:01:38,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 160 transitions, 398 flow [2023-11-26 12:01:38,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 160 transitions, 398 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 12:01:38,523 INFO L231 Difference]: Finished difference. Result has 159 places, 147 transitions, 304 flow [2023-11-26 12:01:38,526 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=492, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=304, PETRI_PLACES=159, PETRI_TRANSITIONS=147} [2023-11-26 12:01:38,527 INFO L281 CegarLoopForPetriNet]: 498 programPoint places, -339 predicate places. [2023-11-26 12:01:38,528 INFO L495 AbstractCegarLoop]: Abstraction has has 159 places, 147 transitions, 304 flow [2023-11-26 12:01:38,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:38,529 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:01:38,529 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:01:38,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 12:01:38,531 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 627 more)] === [2023-11-26 12:01:38,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:38,539 INFO L85 PathProgramCache]: Analyzing trace with hash -2098485081, now seen corresponding path program 1 times [2023-11-26 12:01:38,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:38,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794004517] [2023-11-26 12:01:38,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:38,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:38,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:01:38,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:01:38,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794004517] [2023-11-26 12:01:38,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794004517] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:01:38,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:01:38,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:01:38,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397036853] [2023-11-26 12:01:38,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:01:38,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:01:38,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:01:38,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:01:38,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:01:38,835 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 492 [2023-11-26 12:01:38,836 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 147 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 134.0) internal successors, (402), 3 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:01:38,836 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:01:38,836 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 492 [2023-11-26 12:01:38,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand