./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/sigma.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c499ea61-551e-431e-90b5-732852a5ed2b/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c499ea61-551e-431e-90b5-732852a5ed2b/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c499ea61-551e-431e-90b5-732852a5ed2b/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c499ea61-551e-431e-90b5-732852a5ed2b/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/sigma.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c499ea61-551e-431e-90b5-732852a5ed2b/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c499ea61-551e-431e-90b5-732852a5ed2b/bin/uautomizer-verify-4GaUIPS5ZU --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 236a73c15e935747b9f2e95e881c26c921eba2f2ad7a2b23cf05552665b9f683 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:04:49,113 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:04:49,189 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c499ea61-551e-431e-90b5-732852a5ed2b/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:04:49,194 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:04:49,195 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:04:49,223 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:04:49,224 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:04:49,225 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:04:49,226 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:04:49,228 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:04:49,228 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:04:49,229 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:04:49,229 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:04:49,230 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:04:49,230 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:04:49,230 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:04:49,231 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:04:49,231 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:04:49,234 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:04:49,235 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:04:49,235 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:04:49,235 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:04:49,236 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:04:49,236 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:04:49,237 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:04:49,237 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:04:49,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:04:49,238 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:04:49,238 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:04:49,239 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:04:49,239 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:04:49,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:04:49,240 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:04:49,240 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:04:49,240 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:04:49,241 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:04:49,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:04:49,241 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:04:49,242 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:04:49,242 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:04:49,242 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:04:49,244 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_c499ea61-551e-431e-90b5-732852a5ed2b/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c499ea61-551e-431e-90b5-732852a5ed2b/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 236a73c15e935747b9f2e95e881c26c921eba2f2ad7a2b23cf05552665b9f683 [2024-10-31 22:04:49,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:04:49,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:04:49,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:04:49,610 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:04:49,610 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:04:49,612 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c499ea61-551e-431e-90b5-732852a5ed2b/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/pthread/sigma.i Unable to find full path for "g++" [2024-10-31 22:04:51,692 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:04:52,068 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:04:52,069 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c499ea61-551e-431e-90b5-732852a5ed2b/sv-benchmarks/c/pthread/sigma.i [2024-10-31 22:04:52,097 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c499ea61-551e-431e-90b5-732852a5ed2b/bin/uautomizer-verify-4GaUIPS5ZU/data/3ead4c915/f2bd26df371d48ddb26928acccc02c2e/FLAGfc757ba81 [2024-10-31 22:04:52,288 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c499ea61-551e-431e-90b5-732852a5ed2b/bin/uautomizer-verify-4GaUIPS5ZU/data/3ead4c915/f2bd26df371d48ddb26928acccc02c2e [2024-10-31 22:04:52,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:04:52,293 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:04:52,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:04:52,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:04:52,302 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:04:52,303 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:04:52" (1/1) ... [2024-10-31 22:04:52,304 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a47105b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:52, skipping insertion in model container [2024-10-31 22:04:52,305 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:04:52" (1/1) ... [2024-10-31 22:04:52,363 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:04:53,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:04:53,180 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:04:53,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:04:53,355 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:04:53,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:53 WrapperNode [2024-10-31 22:04:53,355 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:04:53,357 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:04:53,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:04:53,357 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:04:53,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:53" (1/1) ... [2024-10-31 22:04:53,386 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:53" (1/1) ... [2024-10-31 22:04:53,427 INFO L138 Inliner]: procedures = 320, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 130 [2024-10-31 22:04:53,427 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:04:53,428 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:04:53,428 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:04:53,429 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:04:53,438 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:53" (1/1) ... [2024-10-31 22:04:53,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:53" (1/1) ... [2024-10-31 22:04:53,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:53" (1/1) ... [2024-10-31 22:04:53,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:53" (1/1) ... [2024-10-31 22:04:53,457 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:53" (1/1) ... [2024-10-31 22:04:53,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:53" (1/1) ... [2024-10-31 22:04:53,465 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:53" (1/1) ... [2024-10-31 22:04:53,467 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:53" (1/1) ... [2024-10-31 22:04:53,470 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:04:53,471 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:04:53,471 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:04:53,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:04:53,472 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:53" (1/1) ... [2024-10-31 22:04:53,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:04:53,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c499ea61-551e-431e-90b5-732852a5ed2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:04:53,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c499ea61-551e-431e-90b5-732852a5ed2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:04:53,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c499ea61-551e-431e-90b5-732852a5ed2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:04:53,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 22:04:53,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 22:04:53,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:04:53,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:04:53,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:04:53,548 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-10-31 22:04:53,548 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-10-31 22:04:53,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:04:53,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:04:53,551 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:04:53,787 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:04:53,789 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:04:54,167 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:04:54,167 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:04:54,191 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:04:54,192 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-31 22:04:54,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:04:54 BoogieIcfgContainer [2024-10-31 22:04:54,192 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:04:54,195 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:04:54,195 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:04:54,199 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:04:54,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:04:52" (1/3) ... [2024-10-31 22:04:54,200 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4041c647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:04:54, skipping insertion in model container [2024-10-31 22:04:54,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:53" (2/3) ... [2024-10-31 22:04:54,201 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4041c647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:04:54, skipping insertion in model container [2024-10-31 22:04:54,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:04:54" (3/3) ... [2024-10-31 22:04:54,203 INFO L112 eAbstractionObserver]: Analyzing ICFG sigma.i [2024-10-31 22:04:54,224 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:04:54,224 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2024-10-31 22:04:54,224 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:04:54,324 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-31 22:04:54,367 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 168 places, 174 transitions, 355 flow [2024-10-31 22:04:54,460 INFO L124 PetriNetUnfolderBase]: 15/258 cut-off events. [2024-10-31 22:04:54,460 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-31 22:04:54,469 INFO L83 FinitePrefix]: Finished finitePrefix Result has 263 conditions, 258 events. 15/258 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 582 event pairs, 0 based on Foata normal form. 0/213 useless extension candidates. Maximal degree in co-relation 143. Up to 4 conditions per place. [2024-10-31 22:04:54,469 INFO L82 GeneralOperation]: Start removeDead. Operand has 168 places, 174 transitions, 355 flow [2024-10-31 22:04:54,485 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 168 places, 174 transitions, 355 flow [2024-10-31 22:04:54,500 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:04:54,513 INFO L333 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, 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;@89f8f02, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:04:54,514 INFO L334 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2024-10-31 22:04:54,525 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:04:54,529 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-10-31 22:04:54,529 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:04:54,530 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:04:54,530 INFO L204 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] [2024-10-31 22:04:54,531 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-31 22:04:54,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:54,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1200687547, now seen corresponding path program 1 times [2024-10-31 22:04:54,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:54,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749950317] [2024-10-31 22:04:54,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:54,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:54,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:04:54,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:04:54,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749950317] [2024-10-31 22:04:54,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749950317] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:04:54,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:04:54,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:04:54,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191779645] [2024-10-31 22:04:54,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:04:54,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:04:54,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:04:54,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:04:54,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:04:54,992 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 174 [2024-10-31 22:04:54,997 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 174 transitions, 355 flow. Second operand has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:04:54,997 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:04:54,998 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 174 [2024-10-31 22:04:54,999 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:04:55,101 INFO L124 PetriNetUnfolderBase]: 3/232 cut-off events. [2024-10-31 22:04:55,105 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-31 22:04:55,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 232 events. 3/232 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 460 event pairs, 0 based on Foata normal form. 6/211 useless extension candidates. Maximal degree in co-relation 140. Up to 22 conditions per place. [2024-10-31 22:04:55,109 INFO L140 encePairwiseOnDemand]: 160/174 looper letters, 13 selfloop transitions, 1 changer transitions 2/159 dead transitions. [2024-10-31 22:04:55,112 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 159 transitions, 353 flow [2024-10-31 22:04:55,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:04:55,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:04:55,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 465 transitions. [2024-10-31 22:04:55,158 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8908045977011494 [2024-10-31 22:04:55,162 INFO L175 Difference]: Start difference. First operand has 168 places, 174 transitions, 355 flow. Second operand 3 states and 465 transitions. [2024-10-31 22:04:55,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 159 transitions, 353 flow [2024-10-31 22:04:55,168 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 159 transitions, 353 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:04:55,177 INFO L231 Difference]: Finished difference. Result has 162 places, 157 transitions, 323 flow [2024-10-31 22:04:55,180 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=325, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=323, PETRI_PLACES=162, PETRI_TRANSITIONS=157} [2024-10-31 22:04:55,188 INFO L277 CegarLoopForPetriNet]: 168 programPoint places, -6 predicate places. [2024-10-31 22:04:55,188 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 157 transitions, 323 flow [2024-10-31 22:04:55,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:04:55,189 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:04:55,189 INFO L204 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] [2024-10-31 22:04:55,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:04:55,190 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-31 22:04:55,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:55,191 INFO L85 PathProgramCache]: Analyzing trace with hash -369692805, now seen corresponding path program 1 times [2024-10-31 22:04:55,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:55,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353691358] [2024-10-31 22:04:55,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:55,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:55,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:04:55,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:04:55,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353691358] [2024-10-31 22:04:55,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353691358] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:04:55,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:04:55,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:04:55,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747672237] [2024-10-31 22:04:55,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:04:55,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:04:55,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:04:55,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:04:55,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:04:55,402 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 174 [2024-10-31 22:04:55,403 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 157 transitions, 323 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:04:55,403 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:04:55,403 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 174 [2024-10-31 22:04:55,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:04:55,497 INFO L124 PetriNetUnfolderBase]: 5/265 cut-off events. [2024-10-31 22:04:55,498 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-10-31 22:04:55,500 INFO L83 FinitePrefix]: Finished finitePrefix Result has 290 conditions, 265 events. 5/265 cut-off events. For 5/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 579 event pairs, 2 based on Foata normal form. 0/233 useless extension candidates. Maximal degree in co-relation 261. Up to 16 conditions per place. [2024-10-31 22:04:55,501 INFO L140 encePairwiseOnDemand]: 171/174 looper letters, 9 selfloop transitions, 2 changer transitions 0/156 dead transitions. [2024-10-31 22:04:55,502 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 156 transitions, 343 flow [2024-10-31 22:04:55,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:04:55,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:04:55,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-10-31 22:04:55,508 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9080459770114943 [2024-10-31 22:04:55,509 INFO L175 Difference]: Start difference. First operand has 162 places, 157 transitions, 323 flow. Second operand 3 states and 474 transitions. [2024-10-31 22:04:55,509 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 156 transitions, 343 flow [2024-10-31 22:04:55,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 156 transitions, 342 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:04:55,517 INFO L231 Difference]: Finished difference. Result has 160 places, 156 transitions, 324 flow [2024-10-31 22:04:55,518 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=324, PETRI_PLACES=160, PETRI_TRANSITIONS=156} [2024-10-31 22:04:55,518 INFO L277 CegarLoopForPetriNet]: 168 programPoint places, -8 predicate places. [2024-10-31 22:04:55,519 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 156 transitions, 324 flow [2024-10-31 22:04:55,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:04:55,519 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:04:55,520 INFO L204 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] [2024-10-31 22:04:55,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:04:55,524 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-31 22:04:55,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:55,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1494692810, now seen corresponding path program 1 times [2024-10-31 22:04:55,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:55,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940708914] [2024-10-31 22:04:55,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:55,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:55,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:04:55,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:04:55,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940708914] [2024-10-31 22:04:55,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940708914] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:04:55,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:04:55,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:04:55,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181886118] [2024-10-31 22:04:55,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:04:55,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:04:55,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:04:55,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:04:55,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:04:55,701 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 174 [2024-10-31 22:04:55,706 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 156 transitions, 324 flow. Second operand has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:04:55,706 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:04:55,706 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 174 [2024-10-31 22:04:55,706 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:04:55,767 INFO L124 PetriNetUnfolderBase]: 7/261 cut-off events. [2024-10-31 22:04:55,768 INFO L125 PetriNetUnfolderBase]: For 7/9 co-relation queries the response was YES. [2024-10-31 22:04:55,769 INFO L83 FinitePrefix]: Finished finitePrefix Result has 290 conditions, 261 events. 7/261 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 611 event pairs, 4 based on Foata normal form. 0/235 useless extension candidates. Maximal degree in co-relation 262. Up to 18 conditions per place. [2024-10-31 22:04:55,772 INFO L140 encePairwiseOnDemand]: 170/174 looper letters, 8 selfloop transitions, 1 changer transitions 0/153 dead transitions. [2024-10-31 22:04:55,772 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 153 transitions, 336 flow [2024-10-31 22:04:55,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:04:55,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:04:55,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2024-10-31 22:04:55,776 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9080459770114943 [2024-10-31 22:04:55,777 INFO L175 Difference]: Start difference. First operand has 160 places, 156 transitions, 324 flow. Second operand 3 states and 474 transitions. [2024-10-31 22:04:55,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 153 transitions, 336 flow [2024-10-31 22:04:55,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 153 transitions, 332 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:04:55,784 INFO L231 Difference]: Finished difference. Result has 157 places, 153 transitions, 316 flow [2024-10-31 22:04:55,785 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=316, PETRI_PLACES=157, PETRI_TRANSITIONS=153} [2024-10-31 22:04:55,786 INFO L277 CegarLoopForPetriNet]: 168 programPoint places, -11 predicate places. [2024-10-31 22:04:55,787 INFO L471 AbstractCegarLoop]: Abstraction has has 157 places, 153 transitions, 316 flow [2024-10-31 22:04:55,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.0) internal successors, (465), 3 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:04:55,788 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:04:55,788 INFO L204 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] [2024-10-31 22:04:55,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:04:55,790 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-31 22:04:55,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:55,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1621985220, now seen corresponding path program 1 times [2024-10-31 22:04:55,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:55,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861123502] [2024-10-31 22:04:55,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:55,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:55,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:04:55,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:04:55,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861123502] [2024-10-31 22:04:55,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861123502] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:04:55,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:04:55,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:04:55,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898620683] [2024-10-31 22:04:55,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:04:55,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:04:55,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:04:55,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:04:55,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:04:55,918 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 174 [2024-10-31 22:04:55,919 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 153 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:04:55,919 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:04:55,920 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 174 [2024-10-31 22:04:55,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:04:55,992 INFO L124 PetriNetUnfolderBase]: 8/345 cut-off events. [2024-10-31 22:04:55,992 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-10-31 22:04:55,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 378 conditions, 345 events. 8/345 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1024 event pairs, 2 based on Foata normal form. 1/315 useless extension candidates. Maximal degree in co-relation 350. Up to 18 conditions per place. [2024-10-31 22:04:55,994 INFO L140 encePairwiseOnDemand]: 168/174 looper letters, 7 selfloop transitions, 4 changer transitions 0/155 dead transitions. [2024-10-31 22:04:55,994 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 155 transitions, 342 flow [2024-10-31 22:04:55,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:04:55,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:04:55,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 484 transitions. [2024-10-31 22:04:55,999 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9272030651340997 [2024-10-31 22:04:55,999 INFO L175 Difference]: Start difference. First operand has 157 places, 153 transitions, 316 flow. Second operand 3 states and 484 transitions. [2024-10-31 22:04:56,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 155 transitions, 342 flow [2024-10-31 22:04:56,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 155 transitions, 341 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:04:56,005 INFO L231 Difference]: Finished difference. Result has 159 places, 155 transitions, 343 flow [2024-10-31 22:04:56,005 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=313, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=343, PETRI_PLACES=159, PETRI_TRANSITIONS=155} [2024-10-31 22:04:56,006 INFO L277 CegarLoopForPetriNet]: 168 programPoint places, -9 predicate places. [2024-10-31 22:04:56,006 INFO L471 AbstractCegarLoop]: Abstraction has has 159 places, 155 transitions, 343 flow [2024-10-31 22:04:56,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:04:56,008 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:04:56,008 INFO L204 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] [2024-10-31 22:04:56,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:04:56,009 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-31 22:04:56,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:56,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1088293819, now seen corresponding path program 1 times [2024-10-31 22:04:56,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:56,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165830841] [2024-10-31 22:04:56,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:56,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:56,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:04:56,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:04:56,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165830841] [2024-10-31 22:04:56,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165830841] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:04:56,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:04:56,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:04:56,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753375801] [2024-10-31 22:04:56,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:04:56,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:04:56,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:04:56,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:04:56,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:04:56,143 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 174 [2024-10-31 22:04:56,144 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 155 transitions, 343 flow. Second operand has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:04:56,144 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:04:56,145 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 174 [2024-10-31 22:04:56,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:04:56,220 INFO L124 PetriNetUnfolderBase]: 9/396 cut-off events. [2024-10-31 22:04:56,221 INFO L125 PetriNetUnfolderBase]: For 32/36 co-relation queries the response was YES. [2024-10-31 22:04:56,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 479 conditions, 396 events. 9/396 cut-off events. For 32/36 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1382 event pairs, 2 based on Foata normal form. 0/364 useless extension candidates. Maximal degree in co-relation 449. Up to 29 conditions per place. [2024-10-31 22:04:56,226 INFO L140 encePairwiseOnDemand]: 169/174 looper letters, 12 selfloop transitions, 4 changer transitions 0/158 dead transitions. [2024-10-31 22:04:56,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 158 transitions, 385 flow [2024-10-31 22:04:56,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:04:56,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:04:56,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 480 transitions. [2024-10-31 22:04:56,229 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9195402298850575 [2024-10-31 22:04:56,229 INFO L175 Difference]: Start difference. First operand has 159 places, 155 transitions, 343 flow. Second operand 3 states and 480 transitions. [2024-10-31 22:04:56,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 158 transitions, 385 flow [2024-10-31 22:04:56,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 158 transitions, 375 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:04:56,234 INFO L231 Difference]: Finished difference. Result has 161 places, 158 transitions, 367 flow [2024-10-31 22:04:56,235 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=367, PETRI_PLACES=161, PETRI_TRANSITIONS=158} [2024-10-31 22:04:56,236 INFO L277 CegarLoopForPetriNet]: 168 programPoint places, -7 predicate places. [2024-10-31 22:04:56,237 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 158 transitions, 367 flow [2024-10-31 22:04:56,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:04:56,239 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:04:56,239 INFO L204 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] [2024-10-31 22:04:56,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:04:56,239 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-31 22:04:56,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:56,240 INFO L85 PathProgramCache]: Analyzing trace with hash 823068658, now seen corresponding path program 1 times [2024-10-31 22:04:56,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:56,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533824775] [2024-10-31 22:04:56,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:56,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:56,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:04:56,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:04:56,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533824775] [2024-10-31 22:04:56,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533824775] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:04:56,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:04:56,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:04:56,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029787551] [2024-10-31 22:04:56,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:04:56,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:04:56,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:04:56,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:04:56,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:04:56,620 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 174 [2024-10-31 22:04:56,622 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 158 transitions, 367 flow. Second operand has 4 states, 4 states have (on average 152.5) internal successors, (610), 4 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:04:56,622 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:04:56,622 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 174 [2024-10-31 22:04:56,622 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:04:56,704 INFO L124 PetriNetUnfolderBase]: 5/284 cut-off events. [2024-10-31 22:04:56,705 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-10-31 22:04:56,705 INFO L83 FinitePrefix]: Finished finitePrefix Result has 362 conditions, 284 events. 5/284 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 795 event pairs, 0 based on Foata normal form. 2/270 useless extension candidates. Maximal degree in co-relation 329. Up to 15 conditions per place. [2024-10-31 22:04:56,706 INFO L140 encePairwiseOnDemand]: 167/174 looper letters, 8 selfloop transitions, 5 changer transitions 16/158 dead transitions. [2024-10-31 22:04:56,707 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 158 transitions, 397 flow [2024-10-31 22:04:56,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:04:56,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-31 22:04:56,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 621 transitions. [2024-10-31 22:04:56,710 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8922413793103449 [2024-10-31 22:04:56,710 INFO L175 Difference]: Start difference. First operand has 161 places, 158 transitions, 367 flow. Second operand 4 states and 621 transitions. [2024-10-31 22:04:56,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 158 transitions, 397 flow [2024-10-31 22:04:56,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 158 transitions, 389 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:04:56,716 INFO L231 Difference]: Finished difference. Result has 163 places, 142 transitions, 345 flow [2024-10-31 22:04:56,717 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=359, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=345, PETRI_PLACES=163, PETRI_TRANSITIONS=142} [2024-10-31 22:04:56,718 INFO L277 CegarLoopForPetriNet]: 168 programPoint places, -5 predicate places. [2024-10-31 22:04:56,718 INFO L471 AbstractCegarLoop]: Abstraction has has 163 places, 142 transitions, 345 flow [2024-10-31 22:04:56,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 152.5) internal successors, (610), 4 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:04:56,718 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:04:56,719 INFO L204 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] [2024-10-31 22:04:56,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:04:56,719 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-31 22:04:56,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:56,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1860485351, now seen corresponding path program 1 times [2024-10-31 22:04:56,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:56,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727879667] [2024-10-31 22:04:56,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:56,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:57,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:04:57,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:04:57,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727879667] [2024-10-31 22:04:57,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727879667] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:04:57,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:04:57,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:04:57,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960026637] [2024-10-31 22:04:57,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:04:57,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:04:57,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:04:57,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:04:57,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:04:57,759 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 174 [2024-10-31 22:04:57,760 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 142 transitions, 345 flow. Second operand has 6 states, 6 states have (on average 133.83333333333334) internal successors, (803), 6 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:04:57,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:04:57,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 174 [2024-10-31 22:04:57,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:04:58,063 INFO L124 PetriNetUnfolderBase]: 124/612 cut-off events. [2024-10-31 22:04:58,063 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-10-31 22:04:58,065 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1008 conditions, 612 events. 124/612 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3068 event pairs, 42 based on Foata normal form. 0/564 useless extension candidates. Maximal degree in co-relation 973. Up to 253 conditions per place. [2024-10-31 22:04:58,067 INFO L140 encePairwiseOnDemand]: 163/174 looper letters, 32 selfloop transitions, 22 changer transitions 0/163 dead transitions. [2024-10-31 22:04:58,068 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 163 transitions, 495 flow [2024-10-31 22:04:58,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:04:58,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:04:58,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 847 transitions. [2024-10-31 22:04:58,071 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8113026819923371 [2024-10-31 22:04:58,071 INFO L175 Difference]: Start difference. First operand has 163 places, 142 transitions, 345 flow. Second operand 6 states and 847 transitions. [2024-10-31 22:04:58,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 163 transitions, 495 flow [2024-10-31 22:04:58,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 163 transitions, 485 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-31 22:04:58,076 INFO L231 Difference]: Finished difference. Result has 154 places, 163 transitions, 485 flow [2024-10-31 22:04:58,076 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=485, PETRI_PLACES=154, PETRI_TRANSITIONS=163} [2024-10-31 22:04:58,077 INFO L277 CegarLoopForPetriNet]: 168 programPoint places, -14 predicate places. [2024-10-31 22:04:58,077 INFO L471 AbstractCegarLoop]: Abstraction has has 154 places, 163 transitions, 485 flow [2024-10-31 22:04:58,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 133.83333333333334) internal successors, (803), 6 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:04:58,078 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:04:58,078 INFO L204 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] [2024-10-31 22:04:58,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:04:58,079 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting threadErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-31 22:04:58,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:58,079 INFO L85 PathProgramCache]: Analyzing trace with hash -854835544, now seen corresponding path program 1 times [2024-10-31 22:04:58,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:58,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72365563] [2024-10-31 22:04:58,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:58,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:58,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:04:58,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:04:58,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72365563] [2024-10-31 22:04:58,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72365563] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:04:58,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:04:58,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:04:58,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040151559] [2024-10-31 22:04:58,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:04:58,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:04:58,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:04:58,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:04:58,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:04:58,893 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 174 [2024-10-31 22:04:58,894 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 163 transitions, 485 flow. Second operand has 6 states, 6 states have (on average 142.5) internal successors, (855), 6 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:04:58,894 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:04:58,895 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 174 [2024-10-31 22:04:58,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:04:59,214 INFO L124 PetriNetUnfolderBase]: 226/882 cut-off events. [2024-10-31 22:04:59,215 INFO L125 PetriNetUnfolderBase]: For 277/324 co-relation queries the response was YES. [2024-10-31 22:04:59,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2050 conditions, 882 events. 226/882 cut-off events. For 277/324 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 5106 event pairs, 27 based on Foata normal form. 0/837 useless extension candidates. Maximal degree in co-relation 2013. Up to 404 conditions per place. [2024-10-31 22:04:59,223 INFO L140 encePairwiseOnDemand]: 158/174 looper letters, 40 selfloop transitions, 52 changer transitions 0/210 dead transitions. [2024-10-31 22:04:59,223 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 210 transitions, 833 flow [2024-10-31 22:04:59,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:04:59,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:04:59,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 908 transitions. [2024-10-31 22:04:59,226 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8697318007662835 [2024-10-31 22:04:59,226 INFO L175 Difference]: Start difference. First operand has 154 places, 163 transitions, 485 flow. Second operand 6 states and 908 transitions. [2024-10-31 22:04:59,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 210 transitions, 833 flow [2024-10-31 22:04:59,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 210 transitions, 833 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-31 22:04:59,235 INFO L231 Difference]: Finished difference. Result has 164 places, 210 transitions, 899 flow [2024-10-31 22:04:59,236 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=485, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=899, PETRI_PLACES=164, PETRI_TRANSITIONS=210} [2024-10-31 22:04:59,237 INFO L277 CegarLoopForPetriNet]: 168 programPoint places, -4 predicate places. [2024-10-31 22:04:59,237 INFO L471 AbstractCegarLoop]: Abstraction has has 164 places, 210 transitions, 899 flow [2024-10-31 22:04:59,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 142.5) internal successors, (855), 6 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:04:59,238 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:04:59,238 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:04:59,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:04:59,239 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-31 22:04:59,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:59,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1703227862, now seen corresponding path program 1 times [2024-10-31 22:04:59,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:59,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647333727] [2024-10-31 22:04:59,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:59,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:59,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:04:59,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:04:59,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647333727] [2024-10-31 22:04:59,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647333727] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:04:59,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666214223] [2024-10-31 22:04:59,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:59,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:04:59,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c499ea61-551e-431e-90b5-732852a5ed2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:04:59,438 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c499ea61-551e-431e-90b5-732852a5ed2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:04:59,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c499ea61-551e-431e-90b5-732852a5ed2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:04:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:59,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:04:59,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:04:59,983 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:04:59,983 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:05:00,202 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:00,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666214223] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:05:00,203 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:05:00,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-10-31 22:05:00,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561002378] [2024-10-31 22:05:00,204 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:05:00,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-31 22:05:00,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:00,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-31 22:05:00,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-10-31 22:05:00,889 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 174 [2024-10-31 22:05:00,892 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 210 transitions, 899 flow. Second operand has 13 states, 13 states have (on average 148.23076923076923) internal successors, (1927), 13 states have internal predecessors, (1927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:05:00,892 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:05:00,892 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 174 [2024-10-31 22:05:00,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:05:01,093 INFO L124 PetriNetUnfolderBase]: 163/692 cut-off events. [2024-10-31 22:05:01,093 INFO L125 PetriNetUnfolderBase]: For 532/583 co-relation queries the response was YES. [2024-10-31 22:05:01,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1846 conditions, 692 events. 163/692 cut-off events. For 532/583 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 3804 event pairs, 7 based on Foata normal form. 1/688 useless extension candidates. Maximal degree in co-relation 1803. Up to 144 conditions per place. [2024-10-31 22:05:01,100 INFO L140 encePairwiseOnDemand]: 168/174 looper letters, 5 selfloop transitions, 5 changer transitions 0/158 dead transitions. [2024-10-31 22:05:01,102 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 158 transitions, 734 flow [2024-10-31 22:05:01,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 22:05:01,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-10-31 22:05:01,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1033 transitions. [2024-10-31 22:05:01,105 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8481116584564861 [2024-10-31 22:05:01,106 INFO L175 Difference]: Start difference. First operand has 164 places, 210 transitions, 899 flow. Second operand 7 states and 1033 transitions. [2024-10-31 22:05:01,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 158 transitions, 734 flow [2024-10-31 22:05:01,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 158 transitions, 714 flow, removed 9 selfloop flow, removed 1 redundant places. [2024-10-31 22:05:01,122 INFO L231 Difference]: Finished difference. Result has 134 places, 157 transitions, 702 flow [2024-10-31 22:05:01,123 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=692, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=702, PETRI_PLACES=134, PETRI_TRANSITIONS=157} [2024-10-31 22:05:01,124 INFO L277 CegarLoopForPetriNet]: 168 programPoint places, -34 predicate places. [2024-10-31 22:05:01,125 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 157 transitions, 702 flow [2024-10-31 22:05:01,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 148.23076923076923) internal successors, (1927), 13 states have internal predecessors, (1927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:05:01,127 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:05:01,127 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:01,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c499ea61-551e-431e-90b5-732852a5ed2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-31 22:05:01,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c499ea61-551e-431e-90b5-732852a5ed2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:05:01,332 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-10-31 22:05:01,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:01,332 INFO L85 PathProgramCache]: Analyzing trace with hash -377879742, now seen corresponding path program 1 times [2024-10-31 22:05:01,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:01,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562554126] [2024-10-31 22:05:01,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:01,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:05:01,371 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:05:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:05:01,437 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:05:01,437 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:05:01,438 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location threadErr1ASSERT_VIOLATIONDATA_RACE (20 of 21 remaining) [2024-10-31 22:05:01,440 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 21 remaining) [2024-10-31 22:05:01,441 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 21 remaining) [2024-10-31 22:05:01,441 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 21 remaining) [2024-10-31 22:05:01,443 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 21 remaining) [2024-10-31 22:05:01,443 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (15 of 21 remaining) [2024-10-31 22:05:01,443 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (14 of 21 remaining) [2024-10-31 22:05:01,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (13 of 21 remaining) [2024-10-31 22:05:01,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (12 of 21 remaining) [2024-10-31 22:05:01,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (11 of 21 remaining) [2024-10-31 22:05:01,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (10 of 21 remaining) [2024-10-31 22:05:01,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (9 of 21 remaining) [2024-10-31 22:05:01,444 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (8 of 21 remaining) [2024-10-31 22:05:01,445 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (7 of 21 remaining) [2024-10-31 22:05:01,445 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (6 of 21 remaining) [2024-10-31 22:05:01,445 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 21 remaining) [2024-10-31 22:05:01,445 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 21 remaining) [2024-10-31 22:05:01,445 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (3 of 21 remaining) [2024-10-31 22:05:01,446 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (2 of 21 remaining) [2024-10-31 22:05:01,446 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 21 remaining) [2024-10-31 22:05:01,446 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (0 of 21 remaining) [2024-10-31 22:05:01,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:05:01,446 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:01,520 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-31 22:05:01,520 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:05:01,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:05:01 BasicIcfg [2024-10-31 22:05:01,525 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:05:01,526 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:05:01,526 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:05:01,526 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:05:01,527 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:04:54" (3/4) ... [2024-10-31 22:05:01,528 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-10-31 22:05:01,606 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c499ea61-551e-431e-90b5-732852a5ed2b/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:05:01,606 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:05:01,607 INFO L158 Benchmark]: Toolchain (without parser) took 9314.23ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 137.4MB in the beginning and 168.4MB in the end (delta: -31.0MB). Peak memory consumption was 121.4MB. Max. memory is 16.1GB. [2024-10-31 22:05:01,607 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 111.1MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:05:01,608 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1061.29ms. Allocated memory is still 169.9MB. Free memory was 137.4MB in the beginning and 101.3MB in the end (delta: 36.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-10-31 22:05:01,612 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.76ms. Allocated memory is still 169.9MB. Free memory was 101.3MB in the beginning and 98.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:05:01,612 INFO L158 Benchmark]: Boogie Preprocessor took 42.23ms. Allocated memory is still 169.9MB. Free memory was 98.4MB in the beginning and 96.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:05:01,612 INFO L158 Benchmark]: RCFGBuilder took 721.42ms. Allocated memory is still 169.9MB. Free memory was 96.4MB in the beginning and 126.8MB in the end (delta: -30.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-31 22:05:01,613 INFO L158 Benchmark]: TraceAbstraction took 7330.88ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 126.1MB in the beginning and 55.8MB in the end (delta: 70.3MB). Peak memory consumption was 106.7MB. Max. memory is 16.1GB. [2024-10-31 22:05:01,614 INFO L158 Benchmark]: Witness Printer took 80.56ms. Allocated memory is still 205.5MB. Free memory was 55.8MB in the beginning and 168.4MB in the end (delta: -112.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:05:01,616 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 111.1MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1061.29ms. Allocated memory is still 169.9MB. Free memory was 137.4MB in the beginning and 101.3MB in the end (delta: 36.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.76ms. Allocated memory is still 169.9MB. Free memory was 101.3MB in the beginning and 98.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.23ms. Allocated memory is still 169.9MB. Free memory was 98.4MB in the beginning and 96.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 721.42ms. Allocated memory is still 169.9MB. Free memory was 96.4MB in the beginning and 126.8MB in the end (delta: -30.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 7330.88ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 126.1MB in the beginning and 55.8MB in the end (delta: 70.3MB). Peak memory consumption was 106.7MB. Max. memory is 16.1GB. * Witness Printer took 80.56ms. Allocated memory is still 205.5MB. Free memory was 55.8MB in the beginning and 168.4MB in the end (delta: -112.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 1117]: Data race detected Data race detected The following path leads to a data race: [L1112] 0 const int SIGMA = 16; VAL [SIGMA=16] [L1113] 0 int *array; VAL [SIGMA=16, array={0:0}] [L1114] 0 int array_index=-1; VAL [SIGMA=16, array={0:0}, array_index=-1] [L1122] 0 int tid, sum; VAL [SIGMA=16, array={0:0}, array_index=-1] [L1123] 0 pthread_t *t; VAL [SIGMA=16, array={0:0}, array_index=-1] [L1124] EXPR 0 sizeof(pthread_t) * SIGMA VAL [SIGMA=16, array={0:0}, array_index=-1] [L1124] 0 t = (pthread_t *)malloc(sizeof(pthread_t) * SIGMA) VAL [SIGMA=16, array={0:0}, array_index=-1, t={10:0}] [L1125] EXPR 0 sizeof(int) * SIGMA VAL [SIGMA=16, array={0:0}, array_index=-1, t={10:0}] [L1125] 0 array = (int *)malloc(sizeof(int) * SIGMA) VAL [SIGMA=16, array={9:0}, array_index=-1, t={10:0}] [L1126] CALL 0 assume_abort_if_not(t) [L11] COND FALSE 0 !(!cond) VAL [SIGMA=16, \old(cond)=10, array={9:0}, array_index=-1, cond=10] [L1126] RET 0 assume_abort_if_not(t) [L1127] 0 assume_abort_if_not(array) [L1127] CALL 0 assume_abort_if_not(array) [L11] COND FALSE 0 !(!cond) VAL [SIGMA=16, \old(cond)=9, array={9:0}, array_index=-1, cond=9] [L1127] RET 0 assume_abort_if_not(array) [L1128] 0 tid=0 VAL [SIGMA=16, array={9:0}, array_index=-1, t={10:0}, tid=0] [L1128] 0 tid