./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5315af08-3990-4971-b4b7-73cd29dd74a1/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5315af08-3990-4971-b4b7-73cd29dd74a1/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5315af08-3990-4971-b4b7-73cd29dd74a1/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5315af08-3990-4971-b4b7-73cd29dd74a1/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5315af08-3990-4971-b4b7-73cd29dd74a1/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5315af08-3990-4971-b4b7-73cd29dd74a1/bin/uautomizer-verify-LYvppIcaGC --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 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:41:57,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:41:57,168 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5315af08-3990-4971-b4b7-73cd29dd74a1/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-23 18:41:57,177 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:41:57,178 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:41:57,211 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:41:57,213 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:41:57,213 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:41:57,214 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:41:57,214 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:41:57,215 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:41:57,216 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:41:57,216 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:41:57,216 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:41:57,216 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:41:57,217 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:41:57,217 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:41:57,217 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:41:57,217 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:41:57,217 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:41:57,218 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:41:57,218 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:41:57,218 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-23 18:41:57,218 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 18:41:57,218 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:41:57,218 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:41:57,218 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:41:57,218 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:41:57,219 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:41:57,219 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:41:57,219 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:41:57,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:41:57,219 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:41:57,220 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:41:57,220 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:41:57,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:41:57,220 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:41:57,220 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:41:57,221 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:41:57,221 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:41:57,221 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:41:57,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:41:57,221 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:41:57,221 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:41:57,221 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:41:57,221 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:41:57,221 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_5315af08-3990-4971-b4b7-73cd29dd74a1/bin/uautomizer-verify-LYvppIcaGC 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 -> 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 [2024-11-23 18:41:57,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:41:57,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:41:57,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:41:57,575 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:41:57,576 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:41:57,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5315af08-3990-4971-b4b7-73cd29dd74a1/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2024-11-23 18:42:00,514 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5315af08-3990-4971-b4b7-73cd29dd74a1/bin/uautomizer-verify-LYvppIcaGC/data/85ab815bd/dfc72f8cb39d4ae1b048322ccb4d798a/FLAG1fadd35a8 [2024-11-23 18:42:00,775 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:42:00,776 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5315af08-3990-4971-b4b7-73cd29dd74a1/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2024-11-23 18:42:00,783 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5315af08-3990-4971-b4b7-73cd29dd74a1/bin/uautomizer-verify-LYvppIcaGC/data/85ab815bd/dfc72f8cb39d4ae1b048322ccb4d798a/FLAG1fadd35a8 [2024-11-23 18:42:00,799 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5315af08-3990-4971-b4b7-73cd29dd74a1/bin/uautomizer-verify-LYvppIcaGC/data/85ab815bd/dfc72f8cb39d4ae1b048322ccb4d798a [2024-11-23 18:42:00,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:42:00,803 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:42:00,804 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:42:00,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:42:00,809 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:42:00,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:42:00" (1/1) ... [2024-11-23 18:42:00,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a9161bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:00, skipping insertion in model container [2024-11-23 18:42:00,811 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:42:00" (1/1) ... [2024-11-23 18:42:00,831 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:42:01,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:42:01,118 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:42:01,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:42:01,212 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:42:01,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:01 WrapperNode [2024-11-23 18:42:01,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:42:01,215 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:42:01,215 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:42:01,215 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:42:01,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:01" (1/1) ... [2024-11-23 18:42:01,245 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:01" (1/1) ... [2024-11-23 18:42:01,303 INFO L138 Inliner]: procedures = 25, calls = 41, calls flagged for inlining = 17, calls inlined = 23, statements flattened = 413 [2024-11-23 18:42:01,307 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:42:01,308 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:42:01,308 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:42:01,308 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:42:01,320 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:01" (1/1) ... [2024-11-23 18:42:01,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:01" (1/1) ... [2024-11-23 18:42:01,328 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:01" (1/1) ... [2024-11-23 18:42:01,328 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:01" (1/1) ... [2024-11-23 18:42:01,364 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:01" (1/1) ... [2024-11-23 18:42:01,370 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:01" (1/1) ... [2024-11-23 18:42:01,379 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:01" (1/1) ... [2024-11-23 18:42:01,385 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:01" (1/1) ... [2024-11-23 18:42:01,387 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:01" (1/1) ... [2024-11-23 18:42:01,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:42:01,398 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:42:01,399 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:42:01,399 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:42:01,400 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:01" (1/1) ... [2024-11-23 18:42:01,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:42:01,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5315af08-3990-4971-b4b7-73cd29dd74a1/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:42:01,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5315af08-3990-4971-b4b7-73cd29dd74a1/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:42:01,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5315af08-3990-4971-b4b7-73cd29dd74a1/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:42:01,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:42:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-23 18:42:01,480 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-23 18:42:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-23 18:42:01,480 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-23 18:42:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-23 18:42:01,480 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-23 18:42:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-23 18:42:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-23 18:42:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-23 18:42:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-23 18:42:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 18:42:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:42:01,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:42:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-23 18:42:01,483 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 18:42:01,613 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:42:01,615 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:42:02,475 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 18:42:02,479 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:42:02,841 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:42:02,841 INFO L312 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-23 18:42:02,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:42:02 BoogieIcfgContainer [2024-11-23 18:42:02,842 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:42:02,847 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:42:02,847 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:42:02,853 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:42:02,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:42:00" (1/3) ... [2024-11-23 18:42:02,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b4deb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:42:02, skipping insertion in model container [2024-11-23 18:42:02,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:42:01" (2/3) ... [2024-11-23 18:42:02,856 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b4deb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:42:02, skipping insertion in model container [2024-11-23 18:42:02,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:42:02" (3/3) ... [2024-11-23 18:42:02,858 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product.wvr.c [2024-11-23 18:42:02,879 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:42:02,881 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-dot-product.wvr.c that has 4 procedures, 388 locations, 1 initial locations, 8 loop locations, and 45 error locations. [2024-11-23 18:42:02,881 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 18:42:03,077 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-23 18:42:03,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 397 places, 413 transitions, 847 flow [2024-11-23 18:42:03,374 INFO L124 PetriNetUnfolderBase]: 26/410 cut-off events. [2024-11-23 18:42:03,376 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-23 18:42:03,391 INFO L83 FinitePrefix]: Finished finitePrefix Result has 423 conditions, 410 events. 26/410 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 814 event pairs, 0 based on Foata normal form. 0/339 useless extension candidates. Maximal degree in co-relation 322. Up to 2 conditions per place. [2024-11-23 18:42:03,391 INFO L82 GeneralOperation]: Start removeDead. Operand has 397 places, 413 transitions, 847 flow [2024-11-23 18:42:03,403 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 378 places, 393 transitions, 804 flow [2024-11-23 18:42:03,417 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:42:03,433 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;@66773be1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:42:03,433 INFO L334 AbstractCegarLoop]: Starting to check reachability of 79 error locations. [2024-11-23 18:42:03,440 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 18:42:03,440 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-11-23 18:42:03,440 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 18:42:03,440 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:42:03,441 INFO L206 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] [2024-11-23 18:42:03,441 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-23 18:42:03,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:42:03,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1572788176, now seen corresponding path program 1 times [2024-11-23 18:42:03,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:42:03,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935745313] [2024-11-23 18:42:03,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:42:03,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:42:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:42:03,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:42:03,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:42:03,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935745313] [2024-11-23 18:42:03,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935745313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:42:03,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:42:03,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:42:03,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366398733] [2024-11-23 18:42:03,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:42:03,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:42:03,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:42:03,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:42:03,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:42:03,753 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 413 [2024-11-23 18:42:03,760 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 393 transitions, 804 flow. Second operand has 3 states, 3 states have (on average 364.3333333333333) internal successors, (1093), 3 states have internal predecessors, (1093), 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) [2024-11-23 18:42:03,760 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:42:03,760 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 413 [2024-11-23 18:42:03,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:42:04,206 INFO L124 PetriNetUnfolderBase]: 75/1119 cut-off events. [2024-11-23 18:42:04,207 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-23 18:42:04,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1248 conditions, 1119 events. 75/1119 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 6025 event pairs, 38 based on Foata normal form. 80/1016 useless extension candidates. Maximal degree in co-relation 712. Up to 92 conditions per place. [2024-11-23 18:42:04,226 INFO L140 encePairwiseOnDemand]: 382/413 looper letters, 16 selfloop transitions, 2 changer transitions 5/364 dead transitions. [2024-11-23 18:42:04,227 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 367 places, 364 transitions, 782 flow [2024-11-23 18:42:04,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:42:04,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:42:04,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1136 transitions. [2024-11-23 18:42:04,253 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9168684422921711 [2024-11-23 18:42:04,256 INFO L175 Difference]: Start difference. First operand has 378 places, 393 transitions, 804 flow. Second operand 3 states and 1136 transitions. [2024-11-23 18:42:04,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 367 places, 364 transitions, 782 flow [2024-11-23 18:42:04,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 361 places, 364 transitions, 770 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-23 18:42:04,275 INFO L231 Difference]: Finished difference. Result has 361 places, 359 transitions, 728 flow [2024-11-23 18:42:04,279 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=734, PETRI_DIFFERENCE_MINUEND_PLACES=359, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=728, PETRI_PLACES=361, PETRI_TRANSITIONS=359} [2024-11-23 18:42:04,283 INFO L279 CegarLoopForPetriNet]: 378 programPoint places, -17 predicate places. [2024-11-23 18:42:04,284 INFO L471 AbstractCegarLoop]: Abstraction has has 361 places, 359 transitions, 728 flow [2024-11-23 18:42:04,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 364.3333333333333) internal successors, (1093), 3 states have internal predecessors, (1093), 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) [2024-11-23 18:42:04,286 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:42:04,286 INFO L206 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] [2024-11-23 18:42:04,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 18:42:04,287 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-23 18:42:04,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:42:04,288 INFO L85 PathProgramCache]: Analyzing trace with hash 161428813, now seen corresponding path program 1 times [2024-11-23 18:42:04,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:42:04,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562891736] [2024-11-23 18:42:04,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:42:04,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:42:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:42:04,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:42:04,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:42:04,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562891736] [2024-11-23 18:42:04,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562891736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:42:04,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:42:04,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:42:04,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005069687] [2024-11-23 18:42:04,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:42:04,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:42:04,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:42:04,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:42:04,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:42:04,435 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 413 [2024-11-23 18:42:04,436 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 359 transitions, 728 flow. Second operand has 3 states, 3 states have (on average 364.3333333333333) internal successors, (1093), 3 states have internal predecessors, (1093), 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) [2024-11-23 18:42:04,437 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:42:04,437 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 413 [2024-11-23 18:42:04,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:42:04,796 INFO L124 PetriNetUnfolderBase]: 62/847 cut-off events. [2024-11-23 18:42:04,796 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-23 18:42:04,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 948 conditions, 847 events. 62/847 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3750 event pairs, 34 based on Foata normal form. 0/712 useless extension candidates. Maximal degree in co-relation 916. Up to 85 conditions per place. [2024-11-23 18:42:04,807 INFO L140 encePairwiseOnDemand]: 410/413 looper letters, 16 selfloop transitions, 2 changer transitions 0/358 dead transitions. [2024-11-23 18:42:04,807 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 358 transitions, 762 flow [2024-11-23 18:42:04,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:42:04,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:42:04,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1108 transitions. [2024-11-23 18:42:04,812 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8942695722356739 [2024-11-23 18:42:04,812 INFO L175 Difference]: Start difference. First operand has 361 places, 359 transitions, 728 flow. Second operand 3 states and 1108 transitions. [2024-11-23 18:42:04,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 358 transitions, 762 flow [2024-11-23 18:42:04,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 358 transitions, 758 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:42:04,826 INFO L231 Difference]: Finished difference. Result has 355 places, 358 transitions, 726 flow [2024-11-23 18:42:04,830 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=353, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=356, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=726, PETRI_PLACES=355, PETRI_TRANSITIONS=358} [2024-11-23 18:42:04,830 INFO L279 CegarLoopForPetriNet]: 378 programPoint places, -23 predicate places. [2024-11-23 18:42:04,831 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 358 transitions, 726 flow [2024-11-23 18:42:04,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 364.3333333333333) internal successors, (1093), 3 states have internal predecessors, (1093), 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) [2024-11-23 18:42:04,832 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:42:04,832 INFO L206 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] [2024-11-23 18:42:04,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 18:42:04,832 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-23 18:42:04,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:42:04,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1015078316, now seen corresponding path program 1 times [2024-11-23 18:42:04,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:42:04,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828725334] [2024-11-23 18:42:04,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:42:04,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:42:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:42:04,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:42:04,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:42:04,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828725334] [2024-11-23 18:42:04,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828725334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:42:04,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:42:04,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:42:04,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956385969] [2024-11-23 18:42:04,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:42:04,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:42:04,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:42:04,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:42:04,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:42:04,964 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 413 [2024-11-23 18:42:04,966 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 358 transitions, 726 flow. Second operand has 3 states, 3 states have (on average 364.3333333333333) internal successors, (1093), 3 states have internal predecessors, (1093), 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) [2024-11-23 18:42:04,966 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:42:04,966 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 413 [2024-11-23 18:42:04,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:42:05,323 INFO L124 PetriNetUnfolderBase]: 85/1023 cut-off events. [2024-11-23 18:42:05,323 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-23 18:42:05,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1155 conditions, 1023 events. 85/1023 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 5459 event pairs, 56 based on Foata normal form. 0/867 useless extension candidates. Maximal degree in co-relation 1115. Up to 113 conditions per place. [2024-11-23 18:42:05,338 INFO L140 encePairwiseOnDemand]: 410/413 looper letters, 16 selfloop transitions, 2 changer transitions 0/357 dead transitions. [2024-11-23 18:42:05,338 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 357 transitions, 760 flow [2024-11-23 18:42:05,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:42:05,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:42:05,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1108 transitions. [2024-11-23 18:42:05,342 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8942695722356739 [2024-11-23 18:42:05,343 INFO L175 Difference]: Start difference. First operand has 355 places, 358 transitions, 726 flow. Second operand 3 states and 1108 transitions. [2024-11-23 18:42:05,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 357 transitions, 760 flow [2024-11-23 18:42:05,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 357 transitions, 756 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:42:05,352 INFO L231 Difference]: Finished difference. Result has 354 places, 357 transitions, 724 flow [2024-11-23 18:42:05,353 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=720, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=724, PETRI_PLACES=354, PETRI_TRANSITIONS=357} [2024-11-23 18:42:05,354 INFO L279 CegarLoopForPetriNet]: 378 programPoint places, -24 predicate places. [2024-11-23 18:42:05,354 INFO L471 AbstractCegarLoop]: Abstraction has has 354 places, 357 transitions, 724 flow [2024-11-23 18:42:05,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 364.3333333333333) internal successors, (1093), 3 states have internal predecessors, (1093), 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) [2024-11-23 18:42:05,355 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:42:05,355 INFO L206 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] [2024-11-23 18:42:05,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 18:42:05,355 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-23 18:42:05,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:42:05,356 INFO L85 PathProgramCache]: Analyzing trace with hash 845936733, now seen corresponding path program 1 times [2024-11-23 18:42:05,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:42:05,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783438542] [2024-11-23 18:42:05,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:42:05,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:42:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:42:05,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:42:05,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:42:05,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783438542] [2024-11-23 18:42:05,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783438542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:42:05,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:42:05,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:42:05,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349178229] [2024-11-23 18:42:05,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:42:05,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:42:05,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:42:05,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:42:05,420 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:42:05,449 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 413 [2024-11-23 18:42:05,451 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 357 transitions, 724 flow. Second operand has 3 states, 3 states have (on average 362.0) internal successors, (1086), 3 states have internal predecessors, (1086), 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) [2024-11-23 18:42:05,451 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:42:05,451 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 413 [2024-11-23 18:42:05,452 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:42:05,784 INFO L124 PetriNetUnfolderBase]: 99/1075 cut-off events. [2024-11-23 18:42:05,784 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-23 18:42:05,791 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1229 conditions, 1075 events. 99/1075 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 5658 event pairs, 59 based on Foata normal form. 0/905 useless extension candidates. Maximal degree in co-relation 1181. Up to 135 conditions per place. [2024-11-23 18:42:05,798 INFO L140 encePairwiseOnDemand]: 408/413 looper letters, 17 selfloop transitions, 1 changer transitions 0/353 dead transitions. [2024-11-23 18:42:05,798 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 353 transitions, 752 flow [2024-11-23 18:42:05,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:42:05,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:42:05,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1105 transitions. [2024-11-23 18:42:05,803 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8918482647296206 [2024-11-23 18:42:05,803 INFO L175 Difference]: Start difference. First operand has 354 places, 357 transitions, 724 flow. Second operand 3 states and 1105 transitions. [2024-11-23 18:42:05,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 353 transitions, 752 flow [2024-11-23 18:42:05,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 350 places, 353 transitions, 748 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:42:05,811 INFO L231 Difference]: Finished difference. Result has 350 places, 353 transitions, 714 flow [2024-11-23 18:42:05,812 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=712, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=714, PETRI_PLACES=350, PETRI_TRANSITIONS=353} [2024-11-23 18:42:05,814 INFO L279 CegarLoopForPetriNet]: 378 programPoint places, -28 predicate places. [2024-11-23 18:42:05,814 INFO L471 AbstractCegarLoop]: Abstraction has has 350 places, 353 transitions, 714 flow [2024-11-23 18:42:05,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 362.0) internal successors, (1086), 3 states have internal predecessors, (1086), 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) [2024-11-23 18:42:05,815 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:42:05,815 INFO L206 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] [2024-11-23 18:42:05,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 18:42:05,816 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-23 18:42:05,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:42:05,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1626508422, now seen corresponding path program 1 times [2024-11-23 18:42:05,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:42:05,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293139790] [2024-11-23 18:42:05,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:42:05,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:42:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:42:05,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:42:05,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:42:05,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293139790] [2024-11-23 18:42:05,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293139790] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:42:05,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:42:05,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:42:05,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537892868] [2024-11-23 18:42:05,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:42:05,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:42:05,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:42:05,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:42:05,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:42:06,020 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 413 [2024-11-23 18:42:06,021 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 353 transitions, 714 flow. Second operand has 3 states, 3 states have (on average 362.3333333333333) internal successors, (1087), 3 states have internal predecessors, (1087), 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) [2024-11-23 18:42:06,021 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:42:06,022 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 413 [2024-11-23 18:42:06,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:42:06,423 INFO L124 PetriNetUnfolderBase]: 180/1570 cut-off events. [2024-11-23 18:42:06,423 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-23 18:42:06,433 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1840 conditions, 1570 events. 180/1570 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 10378 event pairs, 135 based on Foata normal form. 0/1351 useless extension candidates. Maximal degree in co-relation 1792. Up to 244 conditions per place. [2024-11-23 18:42:06,441 INFO L140 encePairwiseOnDemand]: 410/413 looper letters, 18 selfloop transitions, 2 changer transitions 0/352 dead transitions. [2024-11-23 18:42:06,442 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 352 transitions, 752 flow [2024-11-23 18:42:06,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:42:06,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:42:06,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1104 transitions. [2024-11-23 18:42:06,445 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8910411622276029 [2024-11-23 18:42:06,445 INFO L175 Difference]: Start difference. First operand has 350 places, 353 transitions, 714 flow. Second operand 3 states and 1104 transitions. [2024-11-23 18:42:06,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 352 transitions, 752 flow [2024-11-23 18:42:06,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 350 places, 352 transitions, 751 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 18:42:06,452 INFO L231 Difference]: Finished difference. Result has 350 places, 352 transitions, 715 flow [2024-11-23 18:42:06,453 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=711, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=715, PETRI_PLACES=350, PETRI_TRANSITIONS=352} [2024-11-23 18:42:06,456 INFO L279 CegarLoopForPetriNet]: 378 programPoint places, -28 predicate places. [2024-11-23 18:42:06,456 INFO L471 AbstractCegarLoop]: Abstraction has has 350 places, 352 transitions, 715 flow [2024-11-23 18:42:06,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 362.3333333333333) internal successors, (1087), 3 states have internal predecessors, (1087), 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) [2024-11-23 18:42:06,457 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:42:06,458 INFO L206 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] [2024-11-23 18:42:06,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 18:42:06,460 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-23 18:42:06,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:42:06,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1625534502, now seen corresponding path program 1 times [2024-11-23 18:42:06,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:42:06,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195304311] [2024-11-23 18:42:06,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:42:06,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:42:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:42:07,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:42:07,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:42:07,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195304311] [2024-11-23 18:42:07,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195304311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:42:07,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:42:07,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:42:07,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957669708] [2024-11-23 18:42:07,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:42:07,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:42:07,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:42:07,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:42:07,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:42:07,641 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 322 out of 413 [2024-11-23 18:42:07,644 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 352 transitions, 715 flow. Second operand has 6 states, 6 states have (on average 323.5) internal successors, (1941), 6 states have internal predecessors, (1941), 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) [2024-11-23 18:42:07,644 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:42:07,644 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 322 of 413 [2024-11-23 18:42:07,644 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:42:10,411 INFO L124 PetriNetUnfolderBase]: 2877/11730 cut-off events. [2024-11-23 18:42:10,412 INFO L125 PetriNetUnfolderBase]: For 219/219 co-relation queries the response was YES. [2024-11-23 18:42:10,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15889 conditions, 11730 events. 2877/11730 cut-off events. For 219/219 co-relation queries the response was YES. Maximal size of possible extension queue 314. Compared 125343 event pairs, 2079 based on Foata normal form. 0/9808 useless extension candidates. Maximal degree in co-relation 15842. Up to 4033 conditions per place. [2024-11-23 18:42:10,535 INFO L140 encePairwiseOnDemand]: 401/413 looper letters, 49 selfloop transitions, 10 changer transitions 0/350 dead transitions. [2024-11-23 18:42:10,535 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 350 transitions, 829 flow [2024-11-23 18:42:10,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:42:10,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-23 18:42:10,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1993 transitions. [2024-11-23 18:42:10,543 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8042776432606941 [2024-11-23 18:42:10,543 INFO L175 Difference]: Start difference. First operand has 350 places, 352 transitions, 715 flow. Second operand 6 states and 1993 transitions. [2024-11-23 18:42:10,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 350 transitions, 829 flow [2024-11-23 18:42:10,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 350 transitions, 825 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:42:10,552 INFO L231 Difference]: Finished difference. Result has 351 places, 350 transitions, 727 flow [2024-11-23 18:42:10,553 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=707, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=350, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=727, PETRI_PLACES=351, PETRI_TRANSITIONS=350} [2024-11-23 18:42:10,554 INFO L279 CegarLoopForPetriNet]: 378 programPoint places, -27 predicate places. [2024-11-23 18:42:10,554 INFO L471 AbstractCegarLoop]: Abstraction has has 351 places, 350 transitions, 727 flow [2024-11-23 18:42:10,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 323.5) internal successors, (1941), 6 states have internal predecessors, (1941), 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) [2024-11-23 18:42:10,556 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:42:10,556 INFO L206 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] [2024-11-23 18:42:10,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 18:42:10,556 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-23 18:42:10,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:42:10,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1384531096, now seen corresponding path program 1 times [2024-11-23 18:42:10,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:42:10,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106804449] [2024-11-23 18:42:10,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:42:10,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:42:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:42:10,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:42:10,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:42:10,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106804449] [2024-11-23 18:42:10,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106804449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:42:10,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:42:10,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:42:10,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988965755] [2024-11-23 18:42:10,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:42:10,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:42:10,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:42:10,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:42:10,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:42:10,645 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 413 [2024-11-23 18:42:10,647 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 350 transitions, 727 flow. Second operand has 3 states, 3 states have (on average 362.0) internal successors, (1086), 3 states have internal predecessors, (1086), 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) [2024-11-23 18:42:10,647 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:42:10,647 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 413 [2024-11-23 18:42:10,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:42:11,153 INFO L124 PetriNetUnfolderBase]: 267/2525 cut-off events. [2024-11-23 18:42:11,153 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-11-23 18:42:11,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2883 conditions, 2525 events. 267/2525 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 19567 event pairs, 135 based on Foata normal form. 0/2143 useless extension candidates. Maximal degree in co-relation 2850. Up to 322 conditions per place. [2024-11-23 18:42:11,183 INFO L140 encePairwiseOnDemand]: 408/413 looper letters, 17 selfloop transitions, 1 changer transitions 0/346 dead transitions. [2024-11-23 18:42:11,183 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 346 transitions, 755 flow [2024-11-23 18:42:11,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:42:11,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:42:11,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1105 transitions. [2024-11-23 18:42:11,186 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8918482647296206 [2024-11-23 18:42:11,187 INFO L175 Difference]: Start difference. First operand has 351 places, 350 transitions, 727 flow. Second operand 3 states and 1105 transitions. [2024-11-23 18:42:11,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 346 transitions, 755 flow [2024-11-23 18:42:11,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 346 transitions, 735 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-23 18:42:11,194 INFO L231 Difference]: Finished difference. Result has 344 places, 346 transitions, 701 flow [2024-11-23 18:42:11,195 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=699, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=701, PETRI_PLACES=344, PETRI_TRANSITIONS=346} [2024-11-23 18:42:11,197 INFO L279 CegarLoopForPetriNet]: 378 programPoint places, -34 predicate places. [2024-11-23 18:42:11,197 INFO L471 AbstractCegarLoop]: Abstraction has has 344 places, 346 transitions, 701 flow [2024-11-23 18:42:11,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 362.0) internal successors, (1086), 3 states have internal predecessors, (1086), 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) [2024-11-23 18:42:11,198 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:42:11,198 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:42:11,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 18:42:11,199 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-23 18:42:11,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:42:11,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1061330312, now seen corresponding path program 1 times [2024-11-23 18:42:11,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:42:11,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605697530] [2024-11-23 18:42:11,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:42:11,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:42:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:42:11,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:42:11,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:42:11,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605697530] [2024-11-23 18:42:11,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605697530] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:42:11,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:42:11,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:42:11,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738456419] [2024-11-23 18:42:11,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:42:11,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:42:11,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:42:11,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:42:11,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:42:11,314 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 413 [2024-11-23 18:42:11,316 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 346 transitions, 701 flow. Second operand has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 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) [2024-11-23 18:42:11,317 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:42:11,317 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 413 [2024-11-23 18:42:11,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:42:11,423 INFO L124 PetriNetUnfolderBase]: 32/597 cut-off events. [2024-11-23 18:42:11,423 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-23 18:42:11,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 650 conditions, 597 events. 32/597 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1961 event pairs, 15 based on Foata normal form. 0/528 useless extension candidates. Maximal degree in co-relation 602. Up to 40 conditions per place. [2024-11-23 18:42:11,429 INFO L140 encePairwiseOnDemand]: 410/413 looper letters, 12 selfloop transitions, 2 changer transitions 0/345 dead transitions. [2024-11-23 18:42:11,429 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 345 transitions, 727 flow [2024-11-23 18:42:11,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:42:11,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:42:11,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1116 transitions. [2024-11-23 18:42:11,432 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9007263922518159 [2024-11-23 18:42:11,432 INFO L175 Difference]: Start difference. First operand has 344 places, 346 transitions, 701 flow. Second operand 3 states and 1116 transitions. [2024-11-23 18:42:11,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 345 transitions, 727 flow [2024-11-23 18:42:11,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 345 transitions, 726 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 18:42:11,438 INFO L231 Difference]: Finished difference. Result has 344 places, 345 transitions, 702 flow [2024-11-23 18:42:11,439 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=698, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=702, PETRI_PLACES=344, PETRI_TRANSITIONS=345} [2024-11-23 18:42:11,439 INFO L279 CegarLoopForPetriNet]: 378 programPoint places, -34 predicate places. [2024-11-23 18:42:11,440 INFO L471 AbstractCegarLoop]: Abstraction has has 344 places, 345 transitions, 702 flow [2024-11-23 18:42:11,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.3333333333333) internal successors, (1105), 3 states have internal predecessors, (1105), 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) [2024-11-23 18:42:11,441 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:42:11,441 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:42:11,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 18:42:11,441 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-23 18:42:11,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:42:11,442 INFO L85 PathProgramCache]: Analyzing trace with hash -2020235753, now seen corresponding path program 1 times [2024-11-23 18:42:11,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:42:11,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400873540] [2024-11-23 18:42:11,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:42:11,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:42:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:42:11,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:42:11,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:42:11,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400873540] [2024-11-23 18:42:11,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400873540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:42:11,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:42:11,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:42:11,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034081844] [2024-11-23 18:42:11,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:42:11,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:42:11,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:42:11,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:42:11,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:42:11,628 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 413 [2024-11-23 18:42:11,630 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 345 transitions, 702 flow. Second operand has 3 states, 3 states have (on average 362.0) internal successors, (1086), 3 states have internal predecessors, (1086), 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) [2024-11-23 18:42:11,630 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:42:11,630 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 413 [2024-11-23 18:42:11,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:42:11,880 INFO L124 PetriNetUnfolderBase]: 123/1366 cut-off events. [2024-11-23 18:42:11,880 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-11-23 18:42:11,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1535 conditions, 1366 events. 123/1366 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 8556 event pairs, 71 based on Foata normal form. 0/1189 useless extension candidates. Maximal degree in co-relation 1487. Up to 150 conditions per place. [2024-11-23 18:42:11,895 INFO L140 encePairwiseOnDemand]: 408/413 looper letters, 17 selfloop transitions, 1 changer transitions 0/341 dead transitions. [2024-11-23 18:42:11,895 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 341 transitions, 730 flow [2024-11-23 18:42:11,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:42:11,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:42:11,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1105 transitions. [2024-11-23 18:42:11,898 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8918482647296206 [2024-11-23 18:42:11,898 INFO L175 Difference]: Start difference. First operand has 344 places, 345 transitions, 702 flow. Second operand 3 states and 1105 transitions. [2024-11-23 18:42:11,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 341 transitions, 730 flow [2024-11-23 18:42:11,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 341 transitions, 726 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:42:11,904 INFO L231 Difference]: Finished difference. Result has 340 places, 341 transitions, 692 flow [2024-11-23 18:42:11,905 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=690, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=692, PETRI_PLACES=340, PETRI_TRANSITIONS=341} [2024-11-23 18:42:11,905 INFO L279 CegarLoopForPetriNet]: 378 programPoint places, -38 predicate places. [2024-11-23 18:42:11,905 INFO L471 AbstractCegarLoop]: Abstraction has has 340 places, 341 transitions, 692 flow [2024-11-23 18:42:11,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 362.0) internal successors, (1086), 3 states have internal predecessors, (1086), 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) [2024-11-23 18:42:11,906 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:42:11,906 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:42:11,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 18:42:11,908 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-23 18:42:11,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:42:11,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1932389524, now seen corresponding path program 1 times [2024-11-23 18:42:11,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:42:11,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039681474] [2024-11-23 18:42:11,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:42:11,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:42:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:42:11,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:42:11,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:42:11,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039681474] [2024-11-23 18:42:11,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039681474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:42:11,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:42:11,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:42:11,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16169034] [2024-11-23 18:42:11,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:42:11,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:42:11,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:42:11,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:42:11,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:42:12,038 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 355 out of 413 [2024-11-23 18:42:12,040 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 341 transitions, 692 flow. Second operand has 3 states, 3 states have (on average 356.3333333333333) internal successors, (1069), 3 states have internal predecessors, (1069), 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) [2024-11-23 18:42:12,040 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:42:12,040 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 355 of 413 [2024-11-23 18:42:12,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:42:12,785 INFO L124 PetriNetUnfolderBase]: 771/4413 cut-off events. [2024-11-23 18:42:12,785 INFO L125 PetriNetUnfolderBase]: For 84/84 co-relation queries the response was YES. [2024-11-23 18:42:12,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5495 conditions, 4413 events. 771/4413 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 39629 event pairs, 325 based on Foata normal form. 0/3896 useless extension candidates. Maximal degree in co-relation 5448. Up to 1026 conditions per place. [2024-11-23 18:42:12,823 INFO L140 encePairwiseOnDemand]: 404/413 looper letters, 27 selfloop transitions, 3 changer transitions 0/343 dead transitions. [2024-11-23 18:42:12,823 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 343 transitions, 761 flow [2024-11-23 18:42:12,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:42:12,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:42:12,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1101 transitions. [2024-11-23 18:42:12,826 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8886198547215496 [2024-11-23 18:42:12,827 INFO L175 Difference]: Start difference. First operand has 340 places, 341 transitions, 692 flow. Second operand 3 states and 1101 transitions. [2024-11-23 18:42:12,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 343 transitions, 761 flow [2024-11-23 18:42:12,829 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 335 places, 343 transitions, 760 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 18:42:12,834 INFO L231 Difference]: Finished difference. Result has 336 places, 338 transitions, 700 flow [2024-11-23 18:42:12,835 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=679, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=332, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=700, PETRI_PLACES=336, PETRI_TRANSITIONS=338} [2024-11-23 18:42:12,837 INFO L279 CegarLoopForPetriNet]: 378 programPoint places, -42 predicate places. [2024-11-23 18:42:12,837 INFO L471 AbstractCegarLoop]: Abstraction has has 336 places, 338 transitions, 700 flow [2024-11-23 18:42:12,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 356.3333333333333) internal successors, (1069), 3 states have internal predecessors, (1069), 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) [2024-11-23 18:42:12,838 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:42:12,838 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:42:12,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 18:42:12,838 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-23 18:42:12,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:42:12,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1905513008, now seen corresponding path program 1 times [2024-11-23 18:42:12,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:42:12,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725655] [2024-11-23 18:42:12,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:42:12,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:42:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:42:13,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:42:13,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:42:13,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725655] [2024-11-23 18:42:13,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:42:13,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:42:13,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 18:42:13,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268466988] [2024-11-23 18:42:13,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:42:13,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 18:42:13,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:42:13,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 18:42:13,138 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-23 18:42:13,506 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 350 out of 413 [2024-11-23 18:42:13,509 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 338 transitions, 700 flow. Second operand has 7 states, 7 states have (on average 353.0) internal successors, (2471), 7 states have internal predecessors, (2471), 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) [2024-11-23 18:42:13,509 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:42:13,509 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 350 of 413 [2024-11-23 18:42:13,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:42:14,078 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([1440] thread3EXIT-->L104: Formula: (and (= 0 v_thread3Thread1of1ForFork1_thidvar3_4) (= |v_ULTIMATE.start_main_~t3~0#1_6| v_thread3Thread1of1ForFork1_thidvar0_4) (= 0 v_thread3Thread1of1ForFork1_thidvar1_4) (= 0 v_thread3Thread1of1ForFork1_thidvar2_4)) InVars {ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} OutVars{ULTIMATE.start_main_~t3~0#1=|v_ULTIMATE.start_main_~t3~0#1_6|, thread3Thread1of1ForFork1_thidvar0=v_thread3Thread1of1ForFork1_thidvar0_4, thread3Thread1of1ForFork1_thidvar3=v_thread3Thread1of1ForFork1_thidvar3_4, thread3Thread1of1ForFork1_thidvar1=v_thread3Thread1of1ForFork1_thidvar1_4, thread3Thread1of1ForFork1_thidvar2=v_thread3Thread1of1ForFork1_thidvar2_4} AuxVars[] AssignedVars[][344], [Black: 430#true, 205#L104true, 432#(= |#race~A~0| 0), 411#(= |#race~N~0| 0), 423#(= |#race~size~0| 0), 429#(= |#race~M~0| 0), 434#true]) [2024-11-23 18:42:14,079 INFO L294 olderBase$Statistics]: this new event has 288 ancestors and is cut-off event [2024-11-23 18:42:14,079 INFO L297 olderBase$Statistics]: existing Event has 253 ancestors and is cut-off event [2024-11-23 18:42:14,080 INFO L297 olderBase$Statistics]: existing Event has 218 ancestors and is cut-off event [2024-11-23 18:42:14,080 INFO L297 olderBase$Statistics]: existing Event has 218 ancestors and is cut-off event [2024-11-23 18:42:14,094 INFO L124 PetriNetUnfolderBase]: 219/2183 cut-off events. [2024-11-23 18:42:14,094 INFO L125 PetriNetUnfolderBase]: For 20/45 co-relation queries the response was YES. [2024-11-23 18:42:14,112 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2591 conditions, 2183 events. 219/2183 cut-off events. For 20/45 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 15177 event pairs, 79 based on Foata normal form. 9/1979 useless extension candidates. Maximal degree in co-relation 2542. Up to 187 conditions per place. [2024-11-23 18:42:14,120 INFO L140 encePairwiseOnDemand]: 400/413 looper letters, 47 selfloop transitions, 14 changer transitions 0/366 dead transitions. [2024-11-23 18:42:14,120 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 366 transitions, 886 flow [2024-11-23 18:42:14,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 18:42:14,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-23 18:42:14,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 3562 transitions. [2024-11-23 18:42:14,128 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8624697336561743 [2024-11-23 18:42:14,129 INFO L175 Difference]: Start difference. First operand has 336 places, 338 transitions, 700 flow. Second operand 10 states and 3562 transitions. [2024-11-23 18:42:14,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 366 transitions, 886 flow [2024-11-23 18:42:14,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 345 places, 366 transitions, 886 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-23 18:42:14,135 INFO L231 Difference]: Finished difference. Result has 349 places, 345 transitions, 766 flow [2024-11-23 18:42:14,136 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=700, PETRI_DIFFERENCE_MINUEND_PLACES=336, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=766, PETRI_PLACES=349, PETRI_TRANSITIONS=345} [2024-11-23 18:42:14,137 INFO L279 CegarLoopForPetriNet]: 378 programPoint places, -29 predicate places. [2024-11-23 18:42:14,137 INFO L471 AbstractCegarLoop]: Abstraction has has 349 places, 345 transitions, 766 flow [2024-11-23 18:42:14,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 353.0) internal successors, (2471), 7 states have internal predecessors, (2471), 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) [2024-11-23 18:42:14,139 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:42:14,139 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:42:14,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 18:42:14,139 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-23 18:42:14,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:42:14,141 INFO L85 PathProgramCache]: Analyzing trace with hash -73371295, now seen corresponding path program 1 times [2024-11-23 18:42:14,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:42:14,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453161990] [2024-11-23 18:42:14,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:42:14,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:42:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:42:14,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:42:14,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:42:14,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453161990] [2024-11-23 18:42:14,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453161990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:42:14,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:42:14,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:42:14,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416051412] [2024-11-23 18:42:14,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:42:14,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 18:42:14,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:42:14,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 18:42:14,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-23 18:42:14,414 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 361 out of 413 [2024-11-23 18:42:14,416 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 345 transitions, 766 flow. Second operand has 5 states, 5 states have (on average 363.0) internal successors, (1815), 5 states have internal predecessors, (1815), 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) [2024-11-23 18:42:14,417 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:42:14,417 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 361 of 413 [2024-11-23 18:42:14,417 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:42:14,992 INFO L124 PetriNetUnfolderBase]: 337/2694 cut-off events. [2024-11-23 18:42:14,992 INFO L125 PetriNetUnfolderBase]: For 101/147 co-relation queries the response was YES. [2024-11-23 18:42:15,017 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3347 conditions, 2694 events. 337/2694 cut-off events. For 101/147 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 19095 event pairs, 129 based on Foata normal form. 18/2423 useless extension candidates. Maximal degree in co-relation 3289. Up to 327 conditions per place. [2024-11-23 18:42:15,027 INFO L140 encePairwiseOnDemand]: 407/413 looper letters, 31 selfloop transitions, 5 changer transitions 0/360 dead transitions. [2024-11-23 18:42:15,027 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 360 transitions, 876 flow [2024-11-23 18:42:15,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 18:42:15,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-23 18:42:15,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1842 transitions. [2024-11-23 18:42:15,032 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8920096852300242 [2024-11-23 18:42:15,032 INFO L175 Difference]: Start difference. First operand has 349 places, 345 transitions, 766 flow. Second operand 5 states and 1842 transitions. [2024-11-23 18:42:15,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 360 transitions, 876 flow [2024-11-23 18:42:15,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 352 places, 360 transitions, 872 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 18:42:15,040 INFO L231 Difference]: Finished difference. Result has 354 places, 347 transitions, 787 flow [2024-11-23 18:42:15,041 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=787, PETRI_PLACES=354, PETRI_TRANSITIONS=347} [2024-11-23 18:42:15,042 INFO L279 CegarLoopForPetriNet]: 378 programPoint places, -24 predicate places. [2024-11-23 18:42:15,043 INFO L471 AbstractCegarLoop]: Abstraction has has 354 places, 347 transitions, 787 flow [2024-11-23 18:42:15,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 363.0) internal successors, (1815), 5 states have internal predecessors, (1815), 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) [2024-11-23 18:42:15,044 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:42:15,045 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:42:15,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 18:42:15,045 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-23 18:42:15,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:42:15,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1655793380, now seen corresponding path program 1 times [2024-11-23 18:42:15,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:42:15,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616176686] [2024-11-23 18:42:15,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:42:15,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:42:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:42:15,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:42:15,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:42:15,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616176686] [2024-11-23 18:42:15,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616176686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:42:15,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:42:15,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:42:15,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411071970] [2024-11-23 18:42:15,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:42:15,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:42:15,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:42:15,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:42:15,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:42:16,239 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 349 out of 413 [2024-11-23 18:42:16,242 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 347 transitions, 787 flow. Second operand has 6 states, 6 states have (on average 350.6666666666667) internal successors, (2104), 6 states have internal predecessors, (2104), 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) [2024-11-23 18:42:16,243 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:42:16,243 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 349 of 413 [2024-11-23 18:42:16,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:42:16,966 INFO L124 PetriNetUnfolderBase]: 511/2768 cut-off events. [2024-11-23 18:42:16,966 INFO L125 PetriNetUnfolderBase]: For 302/356 co-relation queries the response was YES. [2024-11-23 18:42:16,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3872 conditions, 2768 events. 511/2768 cut-off events. For 302/356 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 21076 event pairs, 110 based on Foata normal form. 4/2460 useless extension candidates. Maximal degree in co-relation 3815. Up to 332 conditions per place. [2024-11-23 18:42:16,992 INFO L140 encePairwiseOnDemand]: 406/413 looper letters, 45 selfloop transitions, 5 changer transitions 0/361 dead transitions. [2024-11-23 18:42:16,992 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 361 transitions, 923 flow [2024-11-23 18:42:16,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:42:16,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-23 18:42:16,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2144 transitions. [2024-11-23 18:42:16,997 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8652138821630347 [2024-11-23 18:42:16,997 INFO L175 Difference]: Start difference. First operand has 354 places, 347 transitions, 787 flow. Second operand 6 states and 2144 transitions. [2024-11-23 18:42:16,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 361 transitions, 923 flow [2024-11-23 18:42:17,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 361 transitions, 918 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 18:42:17,005 INFO L231 Difference]: Finished difference. Result has 355 places, 345 transitions, 788 flow [2024-11-23 18:42:17,005 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=778, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=788, PETRI_PLACES=355, PETRI_TRANSITIONS=345} [2024-11-23 18:42:17,006 INFO L279 CegarLoopForPetriNet]: 378 programPoint places, -23 predicate places. [2024-11-23 18:42:17,006 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 345 transitions, 788 flow [2024-11-23 18:42:17,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 350.6666666666667) internal successors, (2104), 6 states have internal predecessors, (2104), 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) [2024-11-23 18:42:17,007 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:42:17,008 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:42:17,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 18:42:17,008 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread3Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-23 18:42:17,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:42:17,009 INFO L85 PathProgramCache]: Analyzing trace with hash 220394177, now seen corresponding path program 1 times [2024-11-23 18:42:17,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:42:17,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249636989] [2024-11-23 18:42:17,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:42:17,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:42:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:42:17,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:42:17,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:42:17,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249636989] [2024-11-23 18:42:17,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249636989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:42:17,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:42:17,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:42:17,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249763193] [2024-11-23 18:42:17,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:42:17,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:42:17,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:42:17,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:42:17,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:42:17,982 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 349 out of 413 [2024-11-23 18:42:17,985 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 345 transitions, 788 flow. Second operand has 6 states, 6 states have (on average 350.8333333333333) internal successors, (2105), 6 states have internal predecessors, (2105), 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) [2024-11-23 18:42:17,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:42:17,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 349 of 413 [2024-11-23 18:42:17,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:42:18,818 INFO L124 PetriNetUnfolderBase]: 651/2941 cut-off events. [2024-11-23 18:42:18,819 INFO L125 PetriNetUnfolderBase]: For 311/432 co-relation queries the response was YES. [2024-11-23 18:42:18,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4165 conditions, 2941 events. 651/2941 cut-off events. For 311/432 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 22391 event pairs, 87 based on Foata normal form. 0/2675 useless extension candidates. Maximal degree in co-relation 4108. Up to 496 conditions per place. [2024-11-23 18:42:18,846 INFO L140 encePairwiseOnDemand]: 406/413 looper letters, 43 selfloop transitions, 5 changer transitions 0/359 dead transitions. [2024-11-23 18:42:18,846 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 359 transitions, 920 flow [2024-11-23 18:42:18,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:42:18,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-23 18:42:18,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2144 transitions. [2024-11-23 18:42:18,851 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8652138821630347 [2024-11-23 18:42:18,852 INFO L175 Difference]: Start difference. First operand has 355 places, 345 transitions, 788 flow. Second operand 6 states and 2144 transitions. [2024-11-23 18:42:18,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 359 transitions, 920 flow [2024-11-23 18:42:18,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 359 transitions, 910 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-23 18:42:18,859 INFO L231 Difference]: Finished difference. Result has 353 places, 343 transitions, 784 flow [2024-11-23 18:42:18,859 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=784, PETRI_PLACES=353, PETRI_TRANSITIONS=343} [2024-11-23 18:42:18,860 INFO L279 CegarLoopForPetriNet]: 378 programPoint places, -25 predicate places. [2024-11-23 18:42:18,860 INFO L471 AbstractCegarLoop]: Abstraction has has 353 places, 343 transitions, 784 flow [2024-11-23 18:42:18,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 350.8333333333333) internal successors, (2105), 6 states have internal predecessors, (2105), 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) [2024-11-23 18:42:18,861 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:42:18,861 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:42:18,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-23 18:42:18,862 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-23 18:42:18,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:42:18,862 INFO L85 PathProgramCache]: Analyzing trace with hash -629958540, now seen corresponding path program 1 times [2024-11-23 18:42:18,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:42:18,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089494119] [2024-11-23 18:42:18,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:42:18,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:42:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:42:19,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-23 18:42:19,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:42:19,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089494119] [2024-11-23 18:42:19,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089494119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:42:19,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:42:19,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 18:42:19,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692638834] [2024-11-23 18:42:19,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:42:19,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:42:19,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:42:19,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:42:19,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 18:42:19,985 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 349 out of 413 [2024-11-23 18:42:19,987 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 343 transitions, 784 flow. Second operand has 6 states, 6 states have (on average 351.1666666666667) internal successors, (2107), 6 states have internal predecessors, (2107), 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) [2024-11-23 18:42:19,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:42:19,987 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 349 of 413 [2024-11-23 18:42:19,988 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:42:20,508 INFO L124 PetriNetUnfolderBase]: 350/2338 cut-off events. [2024-11-23 18:42:20,508 INFO L125 PetriNetUnfolderBase]: For 140/219 co-relation queries the response was YES. [2024-11-23 18:42:20,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3369 conditions, 2338 events. 350/2338 cut-off events. For 140/219 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 18336 event pairs, 91 based on Foata normal form. 12/2189 useless extension candidates. Maximal degree in co-relation 3312. Up to 278 conditions per place. [2024-11-23 18:42:20,524 INFO L140 encePairwiseOnDemand]: 406/413 looper letters, 45 selfloop transitions, 5 changer transitions 0/357 dead transitions. [2024-11-23 18:42:20,524 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 357 transitions, 920 flow [2024-11-23 18:42:20,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:42:20,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-23 18:42:20,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2144 transitions. [2024-11-23 18:42:20,528 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8652138821630347 [2024-11-23 18:42:20,529 INFO L175 Difference]: Start difference. First operand has 353 places, 343 transitions, 784 flow. Second operand 6 states and 2144 transitions. [2024-11-23 18:42:20,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 356 places, 357 transitions, 920 flow [2024-11-23 18:42:20,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 357 transitions, 910 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-23 18:42:20,536 INFO L231 Difference]: Finished difference. Result has 351 places, 341 transitions, 780 flow [2024-11-23 18:42:20,536 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=770, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=780, PETRI_PLACES=351, PETRI_TRANSITIONS=341} [2024-11-23 18:42:20,537 INFO L279 CegarLoopForPetriNet]: 378 programPoint places, -27 predicate places. [2024-11-23 18:42:20,537 INFO L471 AbstractCegarLoop]: Abstraction has has 351 places, 341 transitions, 780 flow [2024-11-23 18:42:20,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 351.1666666666667) internal successors, (2107), 6 states have internal predecessors, (2107), 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) [2024-11-23 18:42:20,538 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:42:20,538 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:42:20,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 18:42:20,539 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-23 18:42:20,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:42:20,540 INFO L85 PathProgramCache]: Analyzing trace with hash 259666294, now seen corresponding path program 1 times [2024-11-23 18:42:20,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:42:20,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146553665] [2024-11-23 18:42:20,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:42:20,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:42:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:42:20,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:42:20,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:42:20,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146553665] [2024-11-23 18:42:20,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146553665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:42:20,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:42:20,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:42:20,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221566809] [2024-11-23 18:42:20,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:42:20,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:42:20,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:42:20,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:42:20,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:42:20,635 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 413 [2024-11-23 18:42:20,636 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 341 transitions, 780 flow. Second operand has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 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) [2024-11-23 18:42:20,637 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:42:20,637 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 413 [2024-11-23 18:42:20,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:42:20,959 INFO L124 PetriNetUnfolderBase]: 128/1639 cut-off events. [2024-11-23 18:42:20,960 INFO L125 PetriNetUnfolderBase]: For 43/68 co-relation queries the response was YES. [2024-11-23 18:42:20,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2010 conditions, 1639 events. 128/1639 cut-off events. For 43/68 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 9943 event pairs, 38 based on Foata normal form. 0/1536 useless extension candidates. Maximal degree in co-relation 1954. Up to 149 conditions per place. [2024-11-23 18:42:20,979 INFO L140 encePairwiseOnDemand]: 411/413 looper letters, 10 selfloop transitions, 1 changer transitions 0/340 dead transitions. [2024-11-23 18:42:20,980 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 340 transitions, 800 flow [2024-11-23 18:42:20,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:42:20,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:42:20,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1125 transitions. [2024-11-23 18:42:20,982 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9079903147699758 [2024-11-23 18:42:20,982 INFO L175 Difference]: Start difference. First operand has 351 places, 341 transitions, 780 flow. Second operand 3 states and 1125 transitions. [2024-11-23 18:42:20,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 340 transitions, 800 flow [2024-11-23 18:42:20,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 340 transitions, 790 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-23 18:42:20,989 INFO L231 Difference]: Finished difference. Result has 347 places, 340 transitions, 770 flow [2024-11-23 18:42:20,990 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=768, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=770, PETRI_PLACES=347, PETRI_TRANSITIONS=340} [2024-11-23 18:42:20,990 INFO L279 CegarLoopForPetriNet]: 378 programPoint places, -31 predicate places. [2024-11-23 18:42:20,990 INFO L471 AbstractCegarLoop]: Abstraction has has 347 places, 340 transitions, 770 flow [2024-11-23 18:42:20,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 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) [2024-11-23 18:42:20,991 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 18:42:20,991 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:42:20,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 18:42:20,991 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-23 18:42:20,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:42:20,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1445444002, now seen corresponding path program 1 times [2024-11-23 18:42:20,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:42:20,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100587690] [2024-11-23 18:42:20,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:42:20,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:42:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:42:21,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 18:42:21,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:42:21,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100587690] [2024-11-23 18:42:21,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100587690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:42:21,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:42:21,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:42:21,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6564807] [2024-11-23 18:42:21,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:42:21,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 18:42:21,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:42:21,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 18:42:21,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 18:42:21,136 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 413 [2024-11-23 18:42:21,137 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 340 transitions, 770 flow. Second operand has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 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) [2024-11-23 18:42:21,141 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 18:42:21,141 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 413 [2024-11-23 18:42:21,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 18:42:21,517 INFO L124 PetriNetUnfolderBase]: 128/1631 cut-off events. [2024-11-23 18:42:21,517 INFO L125 PetriNetUnfolderBase]: For 43/68 co-relation queries the response was YES. [2024-11-23 18:42:21,533 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1967 conditions, 1631 events. 128/1631 cut-off events. For 43/68 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 9847 event pairs, 38 based on Foata normal form. 8/1536 useless extension candidates. Maximal degree in co-relation 1917. Up to 149 conditions per place. [2024-11-23 18:42:21,534 INFO L140 encePairwiseOnDemand]: 411/413 looper letters, 0 selfloop transitions, 0 changer transitions 339/339 dead transitions. [2024-11-23 18:42:21,534 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 339 transitions, 788 flow [2024-11-23 18:42:21,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 18:42:21,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 18:42:21,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1124 transitions. [2024-11-23 18:42:21,537 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9071832122679581 [2024-11-23 18:42:21,538 INFO L175 Difference]: Start difference. First operand has 347 places, 340 transitions, 770 flow. Second operand 3 states and 1124 transitions. [2024-11-23 18:42:21,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 339 transitions, 788 flow [2024-11-23 18:42:21,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 339 transitions, 787 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 18:42:21,544 INFO L231 Difference]: Finished difference. Result has 347 places, 0 transitions, 0 flow [2024-11-23 18:42:21,545 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=413, PETRI_DIFFERENCE_MINUEND_FLOW=767, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=347, PETRI_TRANSITIONS=0} [2024-11-23 18:42:21,546 INFO L279 CegarLoopForPetriNet]: 378 programPoint places, -31 predicate places. [2024-11-23 18:42:21,546 INFO L471 AbstractCegarLoop]: Abstraction has has 347 places, 0 transitions, 0 flow [2024-11-23 18:42:21,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 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) [2024-11-23 18:42:21,551 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (78 of 79 remaining) [2024-11-23 18:42:21,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (77 of 79 remaining) [2024-11-23 18:42:21,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (76 of 79 remaining) [2024-11-23 18:42:21,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (75 of 79 remaining) [2024-11-23 18:42:21,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (74 of 79 remaining) [2024-11-23 18:42:21,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (73 of 79 remaining) [2024-11-23 18:42:21,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (72 of 79 remaining) [2024-11-23 18:42:21,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (71 of 79 remaining) [2024-11-23 18:42:21,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (70 of 79 remaining) [2024-11-23 18:42:21,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (69 of 79 remaining) [2024-11-23 18:42:21,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (68 of 79 remaining) [2024-11-23 18:42:21,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (67 of 79 remaining) [2024-11-23 18:42:21,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (66 of 79 remaining) [2024-11-23 18:42:21,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (65 of 79 remaining) [2024-11-23 18:42:21,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (64 of 79 remaining) [2024-11-23 18:42:21,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (63 of 79 remaining) [2024-11-23 18:42:21,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (62 of 79 remaining) [2024-11-23 18:42:21,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (61 of 79 remaining) [2024-11-23 18:42:21,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (60 of 79 remaining) [2024-11-23 18:42:21,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (59 of 79 remaining) [2024-11-23 18:42:21,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (58 of 79 remaining) [2024-11-23 18:42:21,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (57 of 79 remaining) [2024-11-23 18:42:21,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (56 of 79 remaining) [2024-11-23 18:42:21,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (55 of 79 remaining) [2024-11-23 18:42:21,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (54 of 79 remaining) [2024-11-23 18:42:21,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (53 of 79 remaining) [2024-11-23 18:42:21,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (52 of 79 remaining) [2024-11-23 18:42:21,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (51 of 79 remaining) [2024-11-23 18:42:21,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (50 of 79 remaining) [2024-11-23 18:42:21,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (49 of 79 remaining) [2024-11-23 18:42:21,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (48 of 79 remaining) [2024-11-23 18:42:21,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (47 of 79 remaining) [2024-11-23 18:42:21,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (46 of 79 remaining) [2024-11-23 18:42:21,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (45 of 79 remaining) [2024-11-23 18:42:21,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (44 of 79 remaining) [2024-11-23 18:42:21,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (43 of 79 remaining) [2024-11-23 18:42:21,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (42 of 79 remaining) [2024-11-23 18:42:21,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (41 of 79 remaining) [2024-11-23 18:42:21,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (40 of 79 remaining) [2024-11-23 18:42:21,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (39 of 79 remaining) [2024-11-23 18:42:21,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (38 of 79 remaining) [2024-11-23 18:42:21,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (37 of 79 remaining) [2024-11-23 18:42:21,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (36 of 79 remaining) [2024-11-23 18:42:21,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (35 of 79 remaining) [2024-11-23 18:42:21,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (34 of 79 remaining) [2024-11-23 18:42:21,559 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 79 remaining) [2024-11-23 18:42:21,559 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 79 remaining) [2024-11-23 18:42:21,559 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 79 remaining) [2024-11-23 18:42:21,559 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (30 of 79 remaining) [2024-11-23 18:42:21,559 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (29 of 79 remaining) [2024-11-23 18:42:21,559 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (28 of 79 remaining) [2024-11-23 18:42:21,559 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (27 of 79 remaining) [2024-11-23 18:42:21,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 79 remaining) [2024-11-23 18:42:21,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 79 remaining) [2024-11-23 18:42:21,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 79 remaining) [2024-11-23 18:42:21,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 79 remaining) [2024-11-23 18:42:21,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 79 remaining) [2024-11-23 18:42:21,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (21 of 79 remaining) [2024-11-23 18:42:21,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (20 of 79 remaining) [2024-11-23 18:42:21,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (19 of 79 remaining) [2024-11-23 18:42:21,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (18 of 79 remaining) [2024-11-23 18:42:21,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (17 of 79 remaining) [2024-11-23 18:42:21,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (16 of 79 remaining) [2024-11-23 18:42:21,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (15 of 79 remaining) [2024-11-23 18:42:21,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (14 of 79 remaining) [2024-11-23 18:42:21,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (13 of 79 remaining) [2024-11-23 18:42:21,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (12 of 79 remaining) [2024-11-23 18:42:21,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (11 of 79 remaining) [2024-11-23 18:42:21,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 79 remaining) [2024-11-23 18:42:21,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 79 remaining) [2024-11-23 18:42:21,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 79 remaining) [2024-11-23 18:42:21,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (7 of 79 remaining) [2024-11-23 18:42:21,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (6 of 79 remaining) [2024-11-23 18:42:21,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (5 of 79 remaining) [2024-11-23 18:42:21,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (4 of 79 remaining) [2024-11-23 18:42:21,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (3 of 79 remaining) [2024-11-23 18:42:21,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (2 of 79 remaining) [2024-11-23 18:42:21,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (1 of 79 remaining) [2024-11-23 18:42:21,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (0 of 79 remaining) [2024-11-23 18:42:21,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-23 18:42:21,563 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:42:21,573 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 18:42:21,574 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 18:42:21,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:42:21 BasicIcfg [2024-11-23 18:42:21,587 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 18:42:21,588 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 18:42:21,588 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 18:42:21,588 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 18:42:21,589 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:42:02" (3/4) ... [2024-11-23 18:42:21,592 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 18:42:21,597 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-23 18:42:21,597 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-23 18:42:21,597 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-23 18:42:21,607 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2024-11-23 18:42:21,607 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-23 18:42:21,608 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 18:42:21,608 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 18:42:21,725 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5315af08-3990-4971-b4b7-73cd29dd74a1/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 18:42:21,726 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5315af08-3990-4971-b4b7-73cd29dd74a1/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 18:42:21,726 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 18:42:21,727 INFO L158 Benchmark]: Toolchain (without parser) took 20923.95ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 93.1MB in the beginning and 167.1MB in the end (delta: -74.0MB). Peak memory consumption was 163.2MB. Max. memory is 16.1GB. [2024-11-23 18:42:21,728 INFO L158 Benchmark]: CDTParser took 1.39ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:42:21,729 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.24ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 79.5MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 18:42:21,729 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.40ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 76.0MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:42:21,730 INFO L158 Benchmark]: Boogie Preprocessor took 90.15ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 73.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:42:21,731 INFO L158 Benchmark]: RCFGBuilder took 1443.46ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 50.4MB in the end (delta: 22.7MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-11-23 18:42:21,731 INFO L158 Benchmark]: TraceAbstraction took 18739.78ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 49.9MB in the beginning and 45.9MB in the end (delta: 4.0MB). Peak memory consumption was 115.4MB. Max. memory is 16.1GB. [2024-11-23 18:42:21,731 INFO L158 Benchmark]: Witness Printer took 138.32ms. Allocated memory is still 226.5MB. Free memory was 45.9MB in the beginning and 167.1MB in the end (delta: -121.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:42:21,733 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.39ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.24ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 79.5MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.40ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 76.0MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 90.15ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 73.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1443.46ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 50.4MB in the end (delta: 22.7MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * TraceAbstraction took 18739.78ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 49.9MB in the beginning and 45.9MB in the end (delta: 4.0MB). Peak memory consumption was 115.4MB. Max. memory is 16.1GB. * Witness Printer took 138.32ms. Allocated memory is still 226.5MB. Free memory was 45.9MB in the beginning and 167.1MB in the end (delta: -121.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 565 locations, 79 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 18.4s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1460 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 843 mSDsluCounter, 548 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 447 mSDsCounter, 385 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2294 IncrementalHoareTripleChecker+Invalid, 2679 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 385 mSolverCounterUnsat, 101 mSDtfsCounter, 2294 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=804occurred in iteration=0, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 1796 NumberOfCodeBlocks, 1796 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1779 ConstructedInterpolants, 0 QuantifiedInterpolants, 2551 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 1/1 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 45 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-23 18:42:21,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5315af08-3990-4971-b4b7-73cd29dd74a1/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE