./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0cabe7-a588-46a7-b9dd-bb028671ba25/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0cabe7-a588-46a7-b9dd-bb028671ba25/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0cabe7-a588-46a7-b9dd-bb028671ba25/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0cabe7-a588-46a7-b9dd-bb028671ba25/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0cabe7-a588-46a7-b9dd-bb028671ba25/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0cabe7-a588-46a7-b9dd-bb028671ba25/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dbff9cba9b3794b18d55ca52c1abf6279404a7b220f91d79730a04b586f9ee44 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:43:22,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:43:22,671 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0cabe7-a588-46a7-b9dd-bb028671ba25/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 07:43:22,678 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:43:22,680 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:43:22,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:43:22,741 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:43:22,743 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:43:22,744 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:43:22,750 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:43:22,752 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:43:22,753 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:43:22,754 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:43:22,756 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:43:22,757 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:43:22,758 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:43:22,758 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:43:22,759 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:43:22,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:43:22,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:43:22,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:43:22,762 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:43:22,762 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 07:43:22,763 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:43:22,764 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:43:22,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:43:22,765 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:43:22,766 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:43:22,767 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:43:22,767 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:43:22,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:43:22,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:43:22,770 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:43:22,770 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:43:22,771 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:43:22,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:43:22,771 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:43:22,772 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:43:22,772 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:43:22,773 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:43:22,774 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:43:22,774 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0cabe7-a588-46a7-b9dd-bb028671ba25/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0cabe7-a588-46a7-b9dd-bb028671ba25/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbff9cba9b3794b18d55ca52c1abf6279404a7b220f91d79730a04b586f9ee44 [2023-11-19 07:43:23,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:43:23,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:43:23,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:43:23,135 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:43:23,136 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:43:23,137 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0cabe7-a588-46a7-b9dd-bb028671ba25/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2023-11-19 07:43:26,295 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:43:26,581 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:43:26,581 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0cabe7-a588-46a7-b9dd-bb028671ba25/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2023-11-19 07:43:26,591 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0cabe7-a588-46a7-b9dd-bb028671ba25/bin/uautomizer-verify-uCwYo4JHxu/data/74d06a257/d4eb4b7bde274148990bc2816dc751cd/FLAG923852a72 [2023-11-19 07:43:26,606 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0cabe7-a588-46a7-b9dd-bb028671ba25/bin/uautomizer-verify-uCwYo4JHxu/data/74d06a257/d4eb4b7bde274148990bc2816dc751cd [2023-11-19 07:43:26,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:43:26,610 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:43:26,611 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:43:26,611 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:43:26,618 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:43:26,619 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:43:26" (1/1) ... [2023-11-19 07:43:26,620 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cb6cab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:26, skipping insertion in model container [2023-11-19 07:43:26,621 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:43:26" (1/1) ... [2023-11-19 07:43:26,651 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:43:26,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:43:26,891 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:43:26,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:43:26,969 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:43:26,970 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:43:26,978 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:43:26,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:26 WrapperNode [2023-11-19 07:43:26,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:43:26,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:43:26,982 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:43:26,982 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:43:26,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:26" (1/1) ... [2023-11-19 07:43:27,007 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:26" (1/1) ... [2023-11-19 07:43:27,065 INFO L138 Inliner]: procedures = 27, calls = 77, calls flagged for inlining = 19, calls inlined = 23, statements flattened = 618 [2023-11-19 07:43:27,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:43:27,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:43:27,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:43:27,068 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:43:27,079 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:26" (1/1) ... [2023-11-19 07:43:27,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:26" (1/1) ... [2023-11-19 07:43:27,090 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:26" (1/1) ... [2023-11-19 07:43:27,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:26" (1/1) ... [2023-11-19 07:43:27,118 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:26" (1/1) ... [2023-11-19 07:43:27,125 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:26" (1/1) ... [2023-11-19 07:43:27,129 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:26" (1/1) ... [2023-11-19 07:43:27,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:26" (1/1) ... [2023-11-19 07:43:27,140 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:43:27,145 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:43:27,148 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:43:27,148 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:43:27,149 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:26" (1/1) ... [2023-11-19 07:43:27,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:43:27,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0cabe7-a588-46a7-b9dd-bb028671ba25/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:43:27,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0cabe7-a588-46a7-b9dd-bb028671ba25/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:43:27,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0cabe7-a588-46a7-b9dd-bb028671ba25/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:43:27,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:43:27,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:43:27,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:43:27,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:43:27,311 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 07:43:27,311 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 07:43:27,312 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 07:43:27,312 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 07:43:27,312 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 07:43:27,312 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 07:43:27,312 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 07:43:27,313 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 07:43:27,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:43:27,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 07:43:27,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 07:43:27,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:43:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:43:27,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:43:27,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:43:27,318 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:43:27,511 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:43:27,513 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:43:28,589 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:43:29,313 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:43:29,313 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 07:43:29,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:43:29 BoogieIcfgContainer [2023-11-19 07:43:29,325 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:43:29,330 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:43:29,331 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:43:29,334 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:43:29,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:43:26" (1/3) ... [2023-11-19 07:43:29,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d7fb725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:43:29, skipping insertion in model container [2023-11-19 07:43:29,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:43:26" (2/3) ... [2023-11-19 07:43:29,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d7fb725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:43:29, skipping insertion in model container [2023-11-19 07:43:29,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:43:29" (3/3) ... [2023-11-19 07:43:29,340 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult2.wvr.c [2023-11-19 07:43:29,350 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:43:29,360 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:43:29,361 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 93 error locations. [2023-11-19 07:43:29,361 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:43:29,626 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-19 07:43:29,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 421 places, 440 transitions, 908 flow [2023-11-19 07:43:29,929 INFO L124 PetriNetUnfolderBase]: 32/436 cut-off events. [2023-11-19 07:43:29,929 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-19 07:43:29,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 453 conditions, 436 events. 32/436 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 597 event pairs, 0 based on Foata normal form. 0/311 useless extension candidates. Maximal degree in co-relation 345. Up to 4 conditions per place. [2023-11-19 07:43:29,941 INFO L82 GeneralOperation]: Start removeDead. Operand has 421 places, 440 transitions, 908 flow [2023-11-19 07:43:29,955 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 393 places, 411 transitions, 846 flow [2023-11-19 07:43:29,959 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:43:29,970 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 393 places, 411 transitions, 846 flow [2023-11-19 07:43:29,973 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 393 places, 411 transitions, 846 flow [2023-11-19 07:43:29,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 393 places, 411 transitions, 846 flow [2023-11-19 07:43:30,059 INFO L124 PetriNetUnfolderBase]: 31/411 cut-off events. [2023-11-19 07:43:30,060 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-11-19 07:43:30,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 428 conditions, 411 events. 31/411 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 603 event pairs, 0 based on Foata normal form. 0/288 useless extension candidates. Maximal degree in co-relation 345. Up to 4 conditions per place. [2023-11-19 07:43:30,075 INFO L119 LiptonReduction]: Number of co-enabled transitions 18128 [2023-11-19 07:43:47,449 INFO L134 LiptonReduction]: Checked pairs total: 69238 [2023-11-19 07:43:47,449 INFO L136 LiptonReduction]: Total number of compositions: 434 [2023-11-19 07:43:47,466 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:43:47,473 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6e5ad9ba, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:43:47,474 INFO L358 AbstractCegarLoop]: Starting to check reachability of 167 error locations. [2023-11-19 07:43:47,476 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:43:47,476 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-19 07:43:47,476 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:43:47,476 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:43:47,477 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-19 07:43:47,477 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 163 more)] === [2023-11-19 07:43:47,482 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:43:47,483 INFO L85 PathProgramCache]: Analyzing trace with hash 2459, now seen corresponding path program 1 times [2023-11-19 07:43:47,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:43:47,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976718668] [2023-11-19 07:43:47,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:43:47,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:43:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:47,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:43:47,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:43:47,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976718668] [2023-11-19 07:43:47,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976718668] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:43:47,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:43:47,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-19 07:43:47,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143036376] [2023-11-19 07:43:47,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:43:47,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:43:47,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:43:47,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:43:47,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:43:47,644 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 874 [2023-11-19 07:43:47,649 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 145 transitions, 314 flow. Second operand has 2 states, 2 states have (on average 324.5) internal successors, (649), 2 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:43:47,649 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:43:47,649 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 874 [2023-11-19 07:43:47,650 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:43:48,555 INFO L124 PetriNetUnfolderBase]: 2707/4619 cut-off events. [2023-11-19 07:43:48,555 INFO L125 PetriNetUnfolderBase]: For 298/298 co-relation queries the response was YES. [2023-11-19 07:43:48,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8439 conditions, 4619 events. 2707/4619 cut-off events. For 298/298 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 25879 event pairs, 1965 based on Foata normal form. 1/3634 useless extension candidates. Maximal degree in co-relation 6664. Up to 3560 conditions per place. [2023-11-19 07:43:48,601 INFO L140 encePairwiseOnDemand]: 785/874 looper letters, 35 selfloop transitions, 0 changer transitions 1/56 dead transitions. [2023-11-19 07:43:48,602 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 56 transitions, 208 flow [2023-11-19 07:43:48,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:43:48,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-19 07:43:48,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 773 transitions. [2023-11-19 07:43:48,621 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44221967963386727 [2023-11-19 07:43:48,622 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 773 transitions. [2023-11-19 07:43:48,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 773 transitions. [2023-11-19 07:43:48,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:43:48,629 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 773 transitions. [2023-11-19 07:43:48,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 386.5) internal successors, (773), 2 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:43:48,644 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 874.0) internal successors, (2622), 3 states have internal predecessors, (2622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:43:48,646 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 874.0) internal successors, (2622), 3 states have internal predecessors, (2622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:43:48,648 INFO L175 Difference]: Start difference. First operand has 152 places, 145 transitions, 314 flow. Second operand 2 states and 773 transitions. [2023-11-19 07:43:48,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 56 transitions, 208 flow [2023-11-19 07:43:48,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 56 transitions, 192 flow, removed 0 selfloop flow, removed 8 redundant places. [2023-11-19 07:43:48,659 INFO L231 Difference]: Finished difference. Result has 56 places, 55 transitions, 117 flow [2023-11-19 07:43:48,662 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=874, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=117, PETRI_PLACES=56, PETRI_TRANSITIONS=55} [2023-11-19 07:43:48,665 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -96 predicate places. [2023-11-19 07:43:48,666 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 55 transitions, 117 flow [2023-11-19 07:43:48,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 324.5) internal successors, (649), 2 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:43:48,667 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:43:48,667 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:43:48,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:43:48,668 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 163 more)] === [2023-11-19 07:43:48,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:43:48,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1948842287, now seen corresponding path program 1 times [2023-11-19 07:43:48,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:43:48,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129230426] [2023-11-19 07:43:48,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:43:48,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:43:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:49,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:43:49,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:43:49,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129230426] [2023-11-19 07:43:49,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129230426] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:43:49,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:43:49,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:43:49,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882721497] [2023-11-19 07:43:49,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:43:49,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:43:49,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:43:49,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:43:49,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:43:49,892 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 874 [2023-11-19 07:43:49,895 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 55 transitions, 117 flow. Second operand has 6 states, 6 states have (on average 308.5) internal successors, (1851), 6 states have internal predecessors, (1851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:43:49,895 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:43:49,896 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 874 [2023-11-19 07:43:49,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:43:51,755 INFO L124 PetriNetUnfolderBase]: 6803/9098 cut-off events. [2023-11-19 07:43:51,756 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2023-11-19 07:43:51,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17864 conditions, 9098 events. 6803/9098 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 36260 event pairs, 855 based on Foata normal form. 0/7248 useless extension candidates. Maximal degree in co-relation 17861. Up to 3184 conditions per place. [2023-11-19 07:43:51,821 INFO L140 encePairwiseOnDemand]: 869/874 looper letters, 99 selfloop transitions, 4 changer transitions 0/118 dead transitions. [2023-11-19 07:43:51,821 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 118 transitions, 449 flow [2023-11-19 07:43:51,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:43:51,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:43:51,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1940 transitions. [2023-11-19 07:43:51,831 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3699466056445461 [2023-11-19 07:43:51,834 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1940 transitions. [2023-11-19 07:43:51,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1940 transitions. [2023-11-19 07:43:51,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:43:51,837 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1940 transitions. [2023-11-19 07:43:51,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 323.3333333333333) internal successors, (1940), 6 states have internal predecessors, (1940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:43:51,857 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 874.0) internal successors, (6118), 7 states have internal predecessors, (6118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:43:51,862 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 874.0) internal successors, (6118), 7 states have internal predecessors, (6118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:43:51,862 INFO L175 Difference]: Start difference. First operand has 56 places, 55 transitions, 117 flow. Second operand 6 states and 1940 transitions. [2023-11-19 07:43:51,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 118 transitions, 449 flow [2023-11-19 07:43:51,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 118 transitions, 449 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:43:51,866 INFO L231 Difference]: Finished difference. Result has 59 places, 54 transitions, 123 flow [2023-11-19 07:43:51,866 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=874, PETRI_DIFFERENCE_MINUEND_FLOW=115, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=123, PETRI_PLACES=59, PETRI_TRANSITIONS=54} [2023-11-19 07:43:51,867 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -93 predicate places. [2023-11-19 07:43:51,868 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 54 transitions, 123 flow [2023-11-19 07:43:51,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 308.5) internal successors, (1851), 6 states have internal predecessors, (1851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:43:51,870 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:43:51,870 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:43:51,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:43:51,871 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 163 more)] === [2023-11-19 07:43:51,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:43:51,871 INFO L85 PathProgramCache]: Analyzing trace with hash 610535596, now seen corresponding path program 1 times [2023-11-19 07:43:51,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:43:51,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349659044] [2023-11-19 07:43:51,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:43:51,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:43:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:52,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:43:52,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:43:52,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349659044] [2023-11-19 07:43:52,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349659044] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:43:52,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:43:52,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:43:52,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293673439] [2023-11-19 07:43:52,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:43:52,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:43:52,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:43:52,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:43:52,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:43:52,631 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 874 [2023-11-19 07:43:52,634 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 54 transitions, 123 flow. Second operand has 6 states, 6 states have (on average 309.1666666666667) internal successors, (1855), 6 states have internal predecessors, (1855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:43:52,635 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:43:52,635 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 874 [2023-11-19 07:43:52,635 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:43:53,679 INFO L124 PetriNetUnfolderBase]: 3475/4938 cut-off events. [2023-11-19 07:43:53,680 INFO L125 PetriNetUnfolderBase]: For 260/260 co-relation queries the response was YES. [2023-11-19 07:43:53,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10057 conditions, 4938 events. 3475/4938 cut-off events. For 260/260 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 20016 event pairs, 1767 based on Foata normal form. 0/3936 useless extension candidates. Maximal degree in co-relation 10053. Up to 3191 conditions per place. [2023-11-19 07:43:53,715 INFO L140 encePairwiseOnDemand]: 869/874 looper letters, 83 selfloop transitions, 4 changer transitions 0/101 dead transitions. [2023-11-19 07:43:53,715 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 101 transitions, 391 flow [2023-11-19 07:43:53,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:43:53,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:43:53,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1924 transitions. [2023-11-19 07:43:53,724 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36689549961861173 [2023-11-19 07:43:53,724 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1924 transitions. [2023-11-19 07:43:53,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1924 transitions. [2023-11-19 07:43:53,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:43:53,726 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1924 transitions. [2023-11-19 07:43:53,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 320.6666666666667) internal successors, (1924), 6 states have internal predecessors, (1924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:43:53,746 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 874.0) internal successors, (6118), 7 states have internal predecessors, (6118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:43:53,751 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 874.0) internal successors, (6118), 7 states have internal predecessors, (6118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:43:53,751 INFO L175 Difference]: Start difference. First operand has 59 places, 54 transitions, 123 flow. Second operand 6 states and 1924 transitions. [2023-11-19 07:43:53,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 101 transitions, 391 flow [2023-11-19 07:43:53,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 101 transitions, 384 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 07:43:53,766 INFO L231 Difference]: Finished difference. Result has 59 places, 53 transitions, 122 flow [2023-11-19 07:43:53,766 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=874, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=122, PETRI_PLACES=59, PETRI_TRANSITIONS=53} [2023-11-19 07:43:53,767 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -93 predicate places. [2023-11-19 07:43:53,767 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 53 transitions, 122 flow [2023-11-19 07:43:53,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 309.1666666666667) internal successors, (1855), 6 states have internal predecessors, (1855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:43:53,769 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:43:53,769 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:43:53,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:43:53,770 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 163 more)] === [2023-11-19 07:43:53,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:43:53,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1436866050, now seen corresponding path program 1 times [2023-11-19 07:43:53,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:43:53,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803939190] [2023-11-19 07:43:53,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:43:53,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:43:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:54,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:43:54,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:43:54,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803939190] [2023-11-19 07:43:54,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803939190] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:43:54,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:43:54,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:43:54,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109889951] [2023-11-19 07:43:54,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:43:54,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:43:54,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:43:54,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:43:54,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:43:54,591 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 874 [2023-11-19 07:43:54,594 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 53 transitions, 122 flow. Second operand has 6 states, 6 states have (on average 309.8333333333333) internal successors, (1859), 6 states have internal predecessors, (1859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:43:54,594 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:43:54,594 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 874 [2023-11-19 07:43:54,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:43:55,442 INFO L124 PetriNetUnfolderBase]: 2835/4538 cut-off events. [2023-11-19 07:43:55,442 INFO L125 PetriNetUnfolderBase]: For 112/112 co-relation queries the response was YES. [2023-11-19 07:43:55,453 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8761 conditions, 4538 events. 2835/4538 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 22984 event pairs, 1935 based on Foata normal form. 0/3728 useless extension candidates. Maximal degree in co-relation 8757. Up to 3495 conditions per place. [2023-11-19 07:43:55,479 INFO L140 encePairwiseOnDemand]: 869/874 looper letters, 67 selfloop transitions, 4 changer transitions 0/84 dead transitions. [2023-11-19 07:43:55,479 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 84 transitions, 326 flow [2023-11-19 07:43:55,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:43:55,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:43:55,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1908 transitions. [2023-11-19 07:43:55,488 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36384439359267734 [2023-11-19 07:43:55,488 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1908 transitions. [2023-11-19 07:43:55,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1908 transitions. [2023-11-19 07:43:55,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:43:55,491 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1908 transitions. [2023-11-19 07:43:55,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 318.0) internal successors, (1908), 6 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:43:55,510 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 874.0) internal successors, (6118), 7 states have internal predecessors, (6118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:43:55,515 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 874.0) internal successors, (6118), 7 states have internal predecessors, (6118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:43:55,515 INFO L175 Difference]: Start difference. First operand has 59 places, 53 transitions, 122 flow. Second operand 6 states and 1908 transitions. [2023-11-19 07:43:55,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 84 transitions, 326 flow [2023-11-19 07:43:55,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 84 transitions, 319 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 07:43:55,521 INFO L231 Difference]: Finished difference. Result has 59 places, 52 transitions, 121 flow [2023-11-19 07:43:55,522 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=874, PETRI_DIFFERENCE_MINUEND_FLOW=113, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=121, PETRI_PLACES=59, PETRI_TRANSITIONS=52} [2023-11-19 07:43:55,523 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -93 predicate places. [2023-11-19 07:43:55,524 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 52 transitions, 121 flow [2023-11-19 07:43:55,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 309.8333333333333) internal successors, (1859), 6 states have internal predecessors, (1859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:43:55,525 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:43:55,525 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:43:55,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:43:55,525 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 163 more)] === [2023-11-19 07:43:55,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:43:55,526 INFO L85 PathProgramCache]: Analyzing trace with hash -915762661, now seen corresponding path program 1 times [2023-11-19 07:43:55,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:43:55,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439696739] [2023-11-19 07:43:55,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:43:55,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:43:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:43:56,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:43:56,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:43:56,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439696739] [2023-11-19 07:43:56,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439696739] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:43:56,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:43:56,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:43:56,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279538386] [2023-11-19 07:43:56,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:43:56,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:43:56,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:43:56,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:43:56,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:43:56,438 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 306 out of 874 [2023-11-19 07:43:56,440 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 52 transitions, 121 flow. Second operand has 6 states, 6 states have (on average 310.5) internal successors, (1863), 6 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:43:56,441 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:43:56,441 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 306 of 874 [2023-11-19 07:43:56,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:43:57,269 INFO L124 PetriNetUnfolderBase]: 2723/4422 cut-off events. [2023-11-19 07:43:57,269 INFO L125 PetriNetUnfolderBase]: For 84/84 co-relation queries the response was YES. [2023-11-19 07:43:57,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8357 conditions, 4422 events. 2723/4422 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 22843 event pairs, 1962 based on Foata normal form. 0/3644 useless extension candidates. Maximal degree in co-relation 8353. Up to 3551 conditions per place. [2023-11-19 07:43:57,283 INFO L140 encePairwiseOnDemand]: 869/874 looper letters, 0 selfloop transitions, 0 changer transitions 67/67 dead transitions. [2023-11-19 07:43:57,284 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 67 transitions, 261 flow [2023-11-19 07:43:57,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:43:57,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:43:57,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1892 transitions. [2023-11-19 07:43:57,292 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36079328756674295 [2023-11-19 07:43:57,293 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1892 transitions. [2023-11-19 07:43:57,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1892 transitions. [2023-11-19 07:43:57,295 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:43:57,295 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1892 transitions. [2023-11-19 07:43:57,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 315.3333333333333) internal successors, (1892), 6 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:43:57,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 874.0) internal successors, (6118), 7 states have internal predecessors, (6118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:43:57,315 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 874.0) internal successors, (6118), 7 states have internal predecessors, (6118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:43:57,316 INFO L175 Difference]: Start difference. First operand has 59 places, 52 transitions, 121 flow. Second operand 6 states and 1892 transitions. [2023-11-19 07:43:57,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 67 transitions, 261 flow [2023-11-19 07:43:57,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 67 transitions, 254 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 07:43:57,318 INFO L231 Difference]: Finished difference. Result has 59 places, 0 transitions, 0 flow [2023-11-19 07:43:57,319 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=874, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=59, PETRI_TRANSITIONS=0} [2023-11-19 07:43:57,321 INFO L281 CegarLoopForPetriNet]: 152 programPoint places, -93 predicate places. [2023-11-19 07:43:57,321 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 0 transitions, 0 flow [2023-11-19 07:43:57,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.5) internal successors, (1863), 6 states have internal predecessors, (1863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:43:57,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (166 of 167 remaining) [2023-11-19 07:43:57,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (165 of 167 remaining) [2023-11-19 07:43:57,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (164 of 167 remaining) [2023-11-19 07:43:57,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (163 of 167 remaining) [2023-11-19 07:43:57,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (162 of 167 remaining) [2023-11-19 07:43:57,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (161 of 167 remaining) [2023-11-19 07:43:57,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (160 of 167 remaining) [2023-11-19 07:43:57,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (159 of 167 remaining) [2023-11-19 07:43:57,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (158 of 167 remaining) [2023-11-19 07:43:57,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (157 of 167 remaining) [2023-11-19 07:43:57,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (156 of 167 remaining) [2023-11-19 07:43:57,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (155 of 167 remaining) [2023-11-19 07:43:57,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (154 of 167 remaining) [2023-11-19 07:43:57,332 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (153 of 167 remaining) [2023-11-19 07:43:57,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (152 of 167 remaining) [2023-11-19 07:43:57,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (151 of 167 remaining) [2023-11-19 07:43:57,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (150 of 167 remaining) [2023-11-19 07:43:57,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (149 of 167 remaining) [2023-11-19 07:43:57,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (148 of 167 remaining) [2023-11-19 07:43:57,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (147 of 167 remaining) [2023-11-19 07:43:57,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (146 of 167 remaining) [2023-11-19 07:43:57,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (145 of 167 remaining) [2023-11-19 07:43:57,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (144 of 167 remaining) [2023-11-19 07:43:57,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (143 of 167 remaining) [2023-11-19 07:43:57,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (142 of 167 remaining) [2023-11-19 07:43:57,335 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (141 of 167 remaining) [2023-11-19 07:43:57,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (140 of 167 remaining) [2023-11-19 07:43:57,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (139 of 167 remaining) [2023-11-19 07:43:57,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (138 of 167 remaining) [2023-11-19 07:43:57,336 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (137 of 167 remaining) [2023-11-19 07:43:57,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (136 of 167 remaining) [2023-11-19 07:43:57,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (135 of 167 remaining) [2023-11-19 07:43:57,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (134 of 167 remaining) [2023-11-19 07:43:57,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (133 of 167 remaining) [2023-11-19 07:43:57,337 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (132 of 167 remaining) [2023-11-19 07:43:57,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (131 of 167 remaining) [2023-11-19 07:43:57,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (130 of 167 remaining) [2023-11-19 07:43:57,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (129 of 167 remaining) [2023-11-19 07:43:57,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (128 of 167 remaining) [2023-11-19 07:43:57,338 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (127 of 167 remaining) [2023-11-19 07:43:57,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (126 of 167 remaining) [2023-11-19 07:43:57,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (125 of 167 remaining) [2023-11-19 07:43:57,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (124 of 167 remaining) [2023-11-19 07:43:57,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (123 of 167 remaining) [2023-11-19 07:43:57,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (122 of 167 remaining) [2023-11-19 07:43:57,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (121 of 167 remaining) [2023-11-19 07:43:57,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (120 of 167 remaining) [2023-11-19 07:43:57,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (119 of 167 remaining) [2023-11-19 07:43:57,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (118 of 167 remaining) [2023-11-19 07:43:57,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (117 of 167 remaining) [2023-11-19 07:43:57,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (116 of 167 remaining) [2023-11-19 07:43:57,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (115 of 167 remaining) [2023-11-19 07:43:57,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (114 of 167 remaining) [2023-11-19 07:43:57,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (113 of 167 remaining) [2023-11-19 07:43:57,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (112 of 167 remaining) [2023-11-19 07:43:57,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (111 of 167 remaining) [2023-11-19 07:43:57,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (110 of 167 remaining) [2023-11-19 07:43:57,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (109 of 167 remaining) [2023-11-19 07:43:57,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (108 of 167 remaining) [2023-11-19 07:43:57,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (107 of 167 remaining) [2023-11-19 07:43:57,348 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (106 of 167 remaining) [2023-11-19 07:43:57,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (105 of 167 remaining) [2023-11-19 07:43:57,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (104 of 167 remaining) [2023-11-19 07:43:57,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (103 of 167 remaining) [2023-11-19 07:43:57,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (102 of 167 remaining) [2023-11-19 07:43:57,349 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (101 of 167 remaining) [2023-11-19 07:43:57,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (100 of 167 remaining) [2023-11-19 07:43:57,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (99 of 167 remaining) [2023-11-19 07:43:57,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (98 of 167 remaining) [2023-11-19 07:43:57,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (97 of 167 remaining) [2023-11-19 07:43:57,350 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (96 of 167 remaining) [2023-11-19 07:43:57,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (95 of 167 remaining) [2023-11-19 07:43:57,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (94 of 167 remaining) [2023-11-19 07:43:57,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (93 of 167 remaining) [2023-11-19 07:43:57,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (92 of 167 remaining) [2023-11-19 07:43:57,351 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (91 of 167 remaining) [2023-11-19 07:43:57,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (90 of 167 remaining) [2023-11-19 07:43:57,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (89 of 167 remaining) [2023-11-19 07:43:57,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (88 of 167 remaining) [2023-11-19 07:43:57,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (87 of 167 remaining) [2023-11-19 07:43:57,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (86 of 167 remaining) [2023-11-19 07:43:57,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (85 of 167 remaining) [2023-11-19 07:43:57,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (84 of 167 remaining) [2023-11-19 07:43:57,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (83 of 167 remaining) [2023-11-19 07:43:57,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (82 of 167 remaining) [2023-11-19 07:43:57,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (81 of 167 remaining) [2023-11-19 07:43:57,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (80 of 167 remaining) [2023-11-19 07:43:57,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (79 of 167 remaining) [2023-11-19 07:43:57,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (78 of 167 remaining) [2023-11-19 07:43:57,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (77 of 167 remaining) [2023-11-19 07:43:57,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (76 of 167 remaining) [2023-11-19 07:43:57,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (75 of 167 remaining) [2023-11-19 07:43:57,355 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (74 of 167 remaining) [2023-11-19 07:43:57,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (73 of 167 remaining) [2023-11-19 07:43:57,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (72 of 167 remaining) [2023-11-19 07:43:57,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (71 of 167 remaining) [2023-11-19 07:43:57,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (70 of 167 remaining) [2023-11-19 07:43:57,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (69 of 167 remaining) [2023-11-19 07:43:57,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (68 of 167 remaining) [2023-11-19 07:43:57,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (67 of 167 remaining) [2023-11-19 07:43:57,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (66 of 167 remaining) [2023-11-19 07:43:57,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (65 of 167 remaining) [2023-11-19 07:43:57,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (64 of 167 remaining) [2023-11-19 07:43:57,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (63 of 167 remaining) [2023-11-19 07:43:57,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (62 of 167 remaining) [2023-11-19 07:43:57,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (61 of 167 remaining) [2023-11-19 07:43:57,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (60 of 167 remaining) [2023-11-19 07:43:57,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (59 of 167 remaining) [2023-11-19 07:43:57,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (58 of 167 remaining) [2023-11-19 07:43:57,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (57 of 167 remaining) [2023-11-19 07:43:57,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (56 of 167 remaining) [2023-11-19 07:43:57,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (55 of 167 remaining) [2023-11-19 07:43:57,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (54 of 167 remaining) [2023-11-19 07:43:57,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (53 of 167 remaining) [2023-11-19 07:43:57,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (52 of 167 remaining) [2023-11-19 07:43:57,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (51 of 167 remaining) [2023-11-19 07:43:57,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (50 of 167 remaining) [2023-11-19 07:43:57,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (49 of 167 remaining) [2023-11-19 07:43:57,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (48 of 167 remaining) [2023-11-19 07:43:57,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (47 of 167 remaining) [2023-11-19 07:43:57,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (46 of 167 remaining) [2023-11-19 07:43:57,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (45 of 167 remaining) [2023-11-19 07:43:57,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (44 of 167 remaining) [2023-11-19 07:43:57,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (43 of 167 remaining) [2023-11-19 07:43:57,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (42 of 167 remaining) [2023-11-19 07:43:57,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (41 of 167 remaining) [2023-11-19 07:43:57,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (40 of 167 remaining) [2023-11-19 07:43:57,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (39 of 167 remaining) [2023-11-19 07:43:57,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (38 of 167 remaining) [2023-11-19 07:43:57,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (37 of 167 remaining) [2023-11-19 07:43:57,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (36 of 167 remaining) [2023-11-19 07:43:57,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (35 of 167 remaining) [2023-11-19 07:43:57,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (34 of 167 remaining) [2023-11-19 07:43:57,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (33 of 167 remaining) [2023-11-19 07:43:57,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (32 of 167 remaining) [2023-11-19 07:43:57,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (31 of 167 remaining) [2023-11-19 07:43:57,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (30 of 167 remaining) [2023-11-19 07:43:57,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (29 of 167 remaining) [2023-11-19 07:43:57,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (28 of 167 remaining) [2023-11-19 07:43:57,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (27 of 167 remaining) [2023-11-19 07:43:57,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (26 of 167 remaining) [2023-11-19 07:43:57,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err14ASSERT_VIOLATIONDATA_RACE (25 of 167 remaining) [2023-11-19 07:43:57,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err15ASSERT_VIOLATIONDATA_RACE (24 of 167 remaining) [2023-11-19 07:43:57,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err16ASSERT_VIOLATIONDATA_RACE (23 of 167 remaining) [2023-11-19 07:43:57,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err17ASSERT_VIOLATIONDATA_RACE (22 of 167 remaining) [2023-11-19 07:43:57,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err18ASSERT_VIOLATIONDATA_RACE (21 of 167 remaining) [2023-11-19 07:43:57,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err19ASSERT_VIOLATIONDATA_RACE (20 of 167 remaining) [2023-11-19 07:43:57,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (19 of 167 remaining) [2023-11-19 07:43:57,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (18 of 167 remaining) [2023-11-19 07:43:57,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (17 of 167 remaining) [2023-11-19 07:43:57,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (16 of 167 remaining) [2023-11-19 07:43:57,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (15 of 167 remaining) [2023-11-19 07:43:57,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (14 of 167 remaining) [2023-11-19 07:43:57,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (13 of 167 remaining) [2023-11-19 07:43:57,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (12 of 167 remaining) [2023-11-19 07:43:57,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (11 of 167 remaining) [2023-11-19 07:43:57,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (10 of 167 remaining) [2023-11-19 07:43:57,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (9 of 167 remaining) [2023-11-19 07:43:57,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (8 of 167 remaining) [2023-11-19 07:43:57,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (7 of 167 remaining) [2023-11-19 07:43:57,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (6 of 167 remaining) [2023-11-19 07:43:57,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (5 of 167 remaining) [2023-11-19 07:43:57,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (4 of 167 remaining) [2023-11-19 07:43:57,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (3 of 167 remaining) [2023-11-19 07:43:57,369 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (2 of 167 remaining) [2023-11-19 07:43:57,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (1 of 167 remaining) [2023-11-19 07:43:57,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (0 of 167 remaining) [2023-11-19 07:43:57,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:43:57,371 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-19 07:43:57,379 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 07:43:57,379 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:43:57,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:43:57 BasicIcfg [2023-11-19 07:43:57,386 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:43:57,387 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:43:57,387 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:43:57,387 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:43:57,388 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:43:29" (3/4) ... [2023-11-19 07:43:57,390 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:43:57,393 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-19 07:43:57,393 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-19 07:43:57,394 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-19 07:43:57,394 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2023-11-19 07:43:57,411 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-11-19 07:43:57,412 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:43:57,413 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:43:57,414 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:43:57,571 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0cabe7-a588-46a7-b9dd-bb028671ba25/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:43:57,571 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0cabe7-a588-46a7-b9dd-bb028671ba25/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:43:57,571 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:43:57,572 INFO L158 Benchmark]: Toolchain (without parser) took 30962.13ms. Allocated memory was 197.1MB in the beginning and 562.0MB in the end (delta: 364.9MB). Free memory was 165.8MB in the beginning and 307.1MB in the end (delta: -141.3MB). Peak memory consumption was 223.5MB. Max. memory is 16.1GB. [2023-11-19 07:43:57,572 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:43:57,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.71ms. Allocated memory is still 197.1MB. Free memory was 165.8MB in the beginning and 151.3MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:43:57,573 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.20ms. Allocated memory is still 197.1MB. Free memory was 151.3MB in the beginning and 147.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:43:57,573 INFO L158 Benchmark]: Boogie Preprocessor took 72.95ms. Allocated memory is still 197.1MB. Free memory was 147.1MB in the beginning and 143.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:43:57,574 INFO L158 Benchmark]: RCFGBuilder took 2181.02ms. Allocated memory is still 197.1MB. Free memory was 143.8MB in the beginning and 89.9MB in the end (delta: 53.9MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2023-11-19 07:43:57,574 INFO L158 Benchmark]: TraceAbstraction took 28056.70ms. Allocated memory was 197.1MB in the beginning and 562.0MB in the end (delta: 364.9MB). Free memory was 89.9MB in the beginning and 314.4MB in the end (delta: -224.6MB). Peak memory consumption was 250.5MB. Max. memory is 16.1GB. [2023-11-19 07:43:57,574 INFO L158 Benchmark]: Witness Printer took 184.32ms. Allocated memory is still 562.0MB. Free memory was 314.4MB in the beginning and 307.1MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:43:57,576 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 90.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.71ms. Allocated memory is still 197.1MB. Free memory was 165.8MB in the beginning and 151.3MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.20ms. Allocated memory is still 197.1MB. Free memory was 151.3MB in the beginning and 147.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.95ms. Allocated memory is still 197.1MB. Free memory was 147.1MB in the beginning and 143.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2181.02ms. Allocated memory is still 197.1MB. Free memory was 143.8MB in the beginning and 89.9MB in the end (delta: 53.9MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * TraceAbstraction took 28056.70ms. Allocated memory was 197.1MB in the beginning and 562.0MB in the end (delta: 364.9MB). Free memory was 89.9MB in the beginning and 314.4MB in the end (delta: -224.6MB). Peak memory consumption was 250.5MB. Max. memory is 16.1GB. * Witness Printer took 184.32ms. Allocated memory is still 562.0MB. Free memory was 314.4MB in the beginning and 307.1MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.5s, 393 PlacesBefore, 152 PlacesAfterwards, 411 TransitionsBefore, 145 TransitionsAfterwards, 18128 CoEnabledTransitionPairs, 9 FixpointIterations, 273 TrivialSequentialCompositions, 102 ConcurrentSequentialCompositions, 26 TrivialYvCompositions, 8 ConcurrentYvCompositions, 25 ChoiceCompositions, 434 TotalNumberOfCompositions, 69238 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 27042, independent: 26292, independent conditional: 0, independent unconditional: 26292, dependent: 750, dependent conditional: 0, dependent unconditional: 750, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4979, independent: 4901, independent conditional: 0, independent unconditional: 4901, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 27042, independent: 21391, independent conditional: 0, independent unconditional: 21391, dependent: 672, dependent conditional: 0, dependent unconditional: 672, unknown: 4979, unknown conditional: 0, unknown unconditional: 4979] , Statistics on independence cache: Total cache size (in pairs): 1280, Positive cache size: 1232, Positive conditional cache size: 0, Positive unconditional cache size: 1232, Negative cache size: 48, Negative conditional cache size: 0, Negative unconditional cache size: 48, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: 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: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: 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: 91]: 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: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 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: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 124]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 130]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 159]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 159]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 142]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 143]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 144]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 145]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 147]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 110]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: 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 9 procedures, 515 locations, 167 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: 27.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 17.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 592 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 356 mSDsluCounter, 43 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 279 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1663 IncrementalHoareTripleChecker+Invalid, 1942 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 279 mSolverCounterUnsat, 43 mSDtfsCounter, 1663 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=314occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 428 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 93 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 07:43:57,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e0cabe7-a588-46a7-b9dd-bb028671ba25/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE