./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/test-context1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c447bd25-6d8f-4437-b7e2-1309b0ce016d/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c447bd25-6d8f-4437-b7e2-1309b0ce016d/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_c447bd25-6d8f-4437-b7e2-1309b0ce016d/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c447bd25-6d8f-4437-b7e2-1309b0ce016d/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/test-context1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c447bd25-6d8f-4437-b7e2-1309b0ce016d/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_c447bd25-6d8f-4437-b7e2-1309b0ce016d/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 d63a80d2bfe8ff8bb62e6b5083cee589f2cb0f37dc67867654ab7601d82af23e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:40:52,573 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:40:52,693 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c447bd25-6d8f-4437-b7e2-1309b0ce016d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 07:40:52,705 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:40:52,706 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:40:52,744 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:40:52,744 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:40:52,745 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:40:52,746 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:40:52,751 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:40:52,753 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:40:52,753 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:40:52,753 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:40:52,754 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:40:52,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:40:52,755 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:40:52,755 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:40:52,756 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:40:52,756 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:40:52,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:40:52,757 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:40:52,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:40:52,758 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 07:40:52,759 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:40:52,759 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:40:52,759 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:40:52,760 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:40:52,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:40:52,761 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:40:52,762 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:40:52,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:40:52,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:40:52,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:40:52,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:40:52,764 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:40:52,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:40:52,765 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:40:52,765 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:40:52,765 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:40:52,765 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:40:52,766 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:40:52,766 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_c447bd25-6d8f-4437-b7e2-1309b0ce016d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c447bd25-6d8f-4437-b7e2-1309b0ce016d/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d63a80d2bfe8ff8bb62e6b5083cee589f2cb0f37dc67867654ab7601d82af23e [2023-11-19 07:40:53,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:40:53,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:40:53,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:40:53,102 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:40:53,103 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:40:53,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c447bd25-6d8f-4437-b7e2-1309b0ce016d/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/test-context1.wvr.c [2023-11-19 07:40:56,229 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:40:56,421 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:40:56,422 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c447bd25-6d8f-4437-b7e2-1309b0ce016d/sv-benchmarks/c/weaver/test-context1.wvr.c [2023-11-19 07:40:56,431 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c447bd25-6d8f-4437-b7e2-1309b0ce016d/bin/uautomizer-verify-uCwYo4JHxu/data/4a6e0fe14/aa3e50ae16604b6bacc3759dc7eb934c/FLAG8cbb01ec8 [2023-11-19 07:40:56,451 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c447bd25-6d8f-4437-b7e2-1309b0ce016d/bin/uautomizer-verify-uCwYo4JHxu/data/4a6e0fe14/aa3e50ae16604b6bacc3759dc7eb934c [2023-11-19 07:40:56,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:40:56,455 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:40:56,456 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:40:56,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:40:56,462 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:40:56,463 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:56" (1/1) ... [2023-11-19 07:40:56,464 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c91269d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:56, skipping insertion in model container [2023-11-19 07:40:56,464 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:56" (1/1) ... [2023-11-19 07:40:56,490 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:40:56,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:40:56,713 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:40:56,786 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:40:56,801 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:40:56,801 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:40:56,810 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:40:56,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:56 WrapperNode [2023-11-19 07:40:56,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:40:56,813 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:40:56,813 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:40:56,813 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:40:56,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:56" (1/1) ... [2023-11-19 07:40:56,846 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:56" (1/1) ... [2023-11-19 07:40:56,897 INFO L138 Inliner]: procedures = 24, calls = 35, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 240 [2023-11-19 07:40:56,898 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:40:56,898 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:40:56,899 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:40:56,899 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:40:56,912 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:56" (1/1) ... [2023-11-19 07:40:56,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:56" (1/1) ... [2023-11-19 07:40:56,933 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:56" (1/1) ... [2023-11-19 07:40:56,934 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:56" (1/1) ... [2023-11-19 07:40:56,951 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:56" (1/1) ... [2023-11-19 07:40:56,955 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:56" (1/1) ... [2023-11-19 07:40:56,971 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:56" (1/1) ... [2023-11-19 07:40:56,972 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:56" (1/1) ... [2023-11-19 07:40:56,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:40:56,977 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:40:56,977 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:40:56,977 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:40:56,978 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:56" (1/1) ... [2023-11-19 07:40:56,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:40:57,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c447bd25-6d8f-4437-b7e2-1309b0ce016d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:57,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c447bd25-6d8f-4437-b7e2-1309b0ce016d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:57,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c447bd25-6d8f-4437-b7e2-1309b0ce016d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:40:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:40:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 07:40:57,068 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 07:40:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 07:40:57,068 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 07:40:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:40:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:40:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:40:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 07:40:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 07:40:57,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:40:57,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:40:57,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:40:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:40:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:40:57,073 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 07:40:57,245 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:40:57,248 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:40:57,822 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:40:58,109 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:40:58,110 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 07:40:58,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:58 BoogieIcfgContainer [2023-11-19 07:40:58,115 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:40:58,117 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:40:58,118 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:40:58,121 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:40:58,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:40:56" (1/3) ... [2023-11-19 07:40:58,122 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15757f12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:40:58, skipping insertion in model container [2023-11-19 07:40:58,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:56" (2/3) ... [2023-11-19 07:40:58,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15757f12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:40:58, skipping insertion in model container [2023-11-19 07:40:58,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:58" (3/3) ... [2023-11-19 07:40:58,125 INFO L112 eAbstractionObserver]: Analyzing ICFG test-context1.wvr.c [2023-11-19 07:40:58,134 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:40:58,145 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:40:58,146 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2023-11-19 07:40:58,146 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:40:58,246 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-19 07:40:58,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 183 places, 201 transitions, 416 flow [2023-11-19 07:40:58,367 INFO L124 PetriNetUnfolderBase]: 25/199 cut-off events. [2023-11-19 07:40:58,368 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:40:58,374 INFO L83 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 199 events. 25/199 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 278 event pairs, 0 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 126. Up to 3 conditions per place. [2023-11-19 07:40:58,375 INFO L82 GeneralOperation]: Start removeDead. Operand has 183 places, 201 transitions, 416 flow [2023-11-19 07:40:58,382 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 161 places, 178 transitions, 368 flow [2023-11-19 07:40:58,386 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:40:58,397 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 161 places, 178 transitions, 368 flow [2023-11-19 07:40:58,400 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 161 places, 178 transitions, 368 flow [2023-11-19 07:40:58,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 161 places, 178 transitions, 368 flow [2023-11-19 07:40:58,445 INFO L124 PetriNetUnfolderBase]: 24/178 cut-off events. [2023-11-19 07:40:58,446 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:40:58,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 187 conditions, 178 events. 24/178 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 245 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 126. Up to 3 conditions per place. [2023-11-19 07:40:58,452 INFO L119 LiptonReduction]: Number of co-enabled transitions 3692 [2023-11-19 07:41:04,628 INFO L134 LiptonReduction]: Checked pairs total: 7540 [2023-11-19 07:41:04,628 INFO L136 LiptonReduction]: Total number of compositions: 179 [2023-11-19 07:41:04,645 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:41:04,652 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;@29112b6b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:41:04,653 INFO L358 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2023-11-19 07:41:04,655 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:41:04,655 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-19 07:41:04,655 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:41:04,655 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:41:04,656 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-19 07:41:04,657 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-11-19 07:41:04,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:04,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1019, now seen corresponding path program 1 times [2023-11-19 07:41:04,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:04,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21112023] [2023-11-19 07:41:04,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:04,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:04,774 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 07:41:04,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:41:04,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21112023] [2023-11-19 07:41:04,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21112023] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:41:04,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:41:04,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-19 07:41:04,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550433498] [2023-11-19 07:41:04,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:41:04,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:41:04,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:04,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:41:04,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:41:04,821 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 380 [2023-11-19 07:41:04,824 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 55 transitions, 122 flow. Second operand has 2 states, 2 states have (on average 149.5) internal successors, (299), 2 states have internal predecessors, (299), 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 07:41:04,824 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:41:04,825 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 380 [2023-11-19 07:41:04,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:41:04,925 INFO L124 PetriNetUnfolderBase]: 49/127 cut-off events. [2023-11-19 07:41:04,925 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2023-11-19 07:41:04,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 222 conditions, 127 events. 49/127 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 376 event pairs, 19 based on Foata normal form. 1/86 useless extension candidates. Maximal degree in co-relation 159. Up to 80 conditions per place. [2023-11-19 07:41:04,932 INFO L140 encePairwiseOnDemand]: 351/380 looper letters, 13 selfloop transitions, 0 changer transitions 1/26 dead transitions. [2023-11-19 07:41:04,932 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 26 transitions, 92 flow [2023-11-19 07:41:04,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:41:04,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-19 07:41:04,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 341 transitions. [2023-11-19 07:41:04,954 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4486842105263158 [2023-11-19 07:41:04,955 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 341 transitions. [2023-11-19 07:41:04,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 341 transitions. [2023-11-19 07:41:04,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:41:04,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 341 transitions. [2023-11-19 07:41:04,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 170.5) internal successors, (341), 2 states have internal predecessors, (341), 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 07:41:04,975 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 380.0) internal successors, (1140), 3 states have internal predecessors, (1140), 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 07:41:04,976 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 380.0) internal successors, (1140), 3 states have internal predecessors, (1140), 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 07:41:04,978 INFO L175 Difference]: Start difference. First operand has 59 places, 55 transitions, 122 flow. Second operand 2 states and 341 transitions. [2023-11-19 07:41:04,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 26 transitions, 92 flow [2023-11-19 07:41:04,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 26 transitions, 84 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 07:41:04,985 INFO L231 Difference]: Finished difference. Result has 27 places, 25 transitions, 53 flow [2023-11-19 07:41:04,987 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=53, PETRI_PLACES=27, PETRI_TRANSITIONS=25} [2023-11-19 07:41:04,992 INFO L281 CegarLoopForPetriNet]: 59 programPoint places, -32 predicate places. [2023-11-19 07:41:04,992 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 25 transitions, 53 flow [2023-11-19 07:41:04,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 149.5) internal successors, (299), 2 states have internal predecessors, (299), 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 07:41:04,993 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:41:04,993 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:04,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:41:04,994 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-11-19 07:41:04,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:04,995 INFO L85 PathProgramCache]: Analyzing trace with hash 849857696, now seen corresponding path program 1 times [2023-11-19 07:41:04,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:04,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97343096] [2023-11-19 07:41:04,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:04,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:05,792 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 07:41:05,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:41:05,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97343096] [2023-11-19 07:41:05,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97343096] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:41:05,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:41:05,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:41:05,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843689533] [2023-11-19 07:41:05,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:41:05,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:41:05,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:05,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:41:05,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:41:06,014 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 380 [2023-11-19 07:41:06,016 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 25 transitions, 53 flow. Second operand has 6 states, 6 states have (on average 136.66666666666666) internal successors, (820), 6 states have internal predecessors, (820), 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 07:41:06,016 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:41:06,016 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 380 [2023-11-19 07:41:06,016 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:41:06,274 INFO L124 PetriNetUnfolderBase]: 145/228 cut-off events. [2023-11-19 07:41:06,274 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:41:06,275 INFO L83 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 228 events. 145/228 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 634 event pairs, 5 based on Foata normal form. 0/147 useless extension candidates. Maximal degree in co-relation 442. Up to 80 conditions per place. [2023-11-19 07:41:06,277 INFO L140 encePairwiseOnDemand]: 375/380 looper letters, 29 selfloop transitions, 4 changer transitions 0/40 dead transitions. [2023-11-19 07:41:06,278 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 40 transitions, 149 flow [2023-11-19 07:41:06,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:41:06,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:41:06,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 844 transitions. [2023-11-19 07:41:06,282 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3701754385964912 [2023-11-19 07:41:06,283 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 844 transitions. [2023-11-19 07:41:06,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 844 transitions. [2023-11-19 07:41:06,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:41:06,284 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 844 transitions. [2023-11-19 07:41:06,287 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 140.66666666666666) internal successors, (844), 6 states have internal predecessors, (844), 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 07:41:06,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 380.0) internal successors, (2660), 7 states have internal predecessors, (2660), 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 07:41:06,300 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 380.0) internal successors, (2660), 7 states have internal predecessors, (2660), 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 07:41:06,301 INFO L175 Difference]: Start difference. First operand has 27 places, 25 transitions, 53 flow. Second operand 6 states and 844 transitions. [2023-11-19 07:41:06,301 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 40 transitions, 149 flow [2023-11-19 07:41:06,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 40 transitions, 149 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:41:06,304 INFO L231 Difference]: Finished difference. Result has 30 places, 24 transitions, 59 flow [2023-11-19 07:41:06,304 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=51, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=59, PETRI_PLACES=30, PETRI_TRANSITIONS=24} [2023-11-19 07:41:06,305 INFO L281 CegarLoopForPetriNet]: 59 programPoint places, -29 predicate places. [2023-11-19 07:41:06,313 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 24 transitions, 59 flow [2023-11-19 07:41:06,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 136.66666666666666) internal successors, (820), 6 states have internal predecessors, (820), 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 07:41:06,315 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:41:06,315 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:41:06,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:41:06,316 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err5ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2023-11-19 07:41:06,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:06,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1509722782, now seen corresponding path program 1 times [2023-11-19 07:41:06,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:06,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403121730] [2023-11-19 07:41:06,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:06,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:06,697 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 07:41:06,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:41:06,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403121730] [2023-11-19 07:41:06,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403121730] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:41:06,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:41:06,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:41:06,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507187182] [2023-11-19 07:41:06,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:41:06,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:41:06,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:06,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:41:06,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:41:06,830 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 380 [2023-11-19 07:41:06,832 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 24 transitions, 59 flow. Second operand has 6 states, 6 states have (on average 137.16666666666666) internal successors, (823), 6 states have internal predecessors, (823), 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 07:41:06,832 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:41:06,832 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 380 [2023-11-19 07:41:06,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:41:07,007 INFO L124 PetriNetUnfolderBase]: 65/133 cut-off events. [2023-11-19 07:41:07,007 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-19 07:41:07,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 272 conditions, 133 events. 65/133 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 369 event pairs, 17 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 268. Up to 72 conditions per place. [2023-11-19 07:41:07,008 INFO L140 encePairwiseOnDemand]: 375/380 looper letters, 0 selfloop transitions, 0 changer transitions 31/31 dead transitions. [2023-11-19 07:41:07,008 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 31 transitions, 123 flow [2023-11-19 07:41:07,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:41:07,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-19 07:41:07,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 836 transitions. [2023-11-19 07:41:07,013 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36666666666666664 [2023-11-19 07:41:07,013 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 836 transitions. [2023-11-19 07:41:07,013 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 836 transitions. [2023-11-19 07:41:07,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:41:07,014 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 836 transitions. [2023-11-19 07:41:07,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 139.33333333333334) internal successors, (836), 6 states have internal predecessors, (836), 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 07:41:07,023 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 380.0) internal successors, (2660), 7 states have internal predecessors, (2660), 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 07:41:07,025 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 380.0) internal successors, (2660), 7 states have internal predecessors, (2660), 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 07:41:07,025 INFO L175 Difference]: Start difference. First operand has 30 places, 24 transitions, 59 flow. Second operand 6 states and 836 transitions. [2023-11-19 07:41:07,025 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 31 transitions, 123 flow [2023-11-19 07:41:07,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 31 transitions, 116 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 07:41:07,027 INFO L231 Difference]: Finished difference. Result has 30 places, 0 transitions, 0 flow [2023-11-19 07:41:07,027 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=380, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=30, PETRI_TRANSITIONS=0} [2023-11-19 07:41:07,028 INFO L281 CegarLoopForPetriNet]: 59 programPoint places, -29 predicate places. [2023-11-19 07:41:07,028 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 0 transitions, 0 flow [2023-11-19 07:41:07,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 137.16666666666666) internal successors, (823), 6 states have internal predecessors, (823), 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 07:41:07,032 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (55 of 56 remaining) [2023-11-19 07:41:07,032 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (54 of 56 remaining) [2023-11-19 07:41:07,033 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (53 of 56 remaining) [2023-11-19 07:41:07,033 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (52 of 56 remaining) [2023-11-19 07:41:07,033 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (51 of 56 remaining) [2023-11-19 07:41:07,033 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (50 of 56 remaining) [2023-11-19 07:41:07,034 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (49 of 56 remaining) [2023-11-19 07:41:07,034 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (48 of 56 remaining) [2023-11-19 07:41:07,034 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (47 of 56 remaining) [2023-11-19 07:41:07,034 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (46 of 56 remaining) [2023-11-19 07:41:07,035 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (45 of 56 remaining) [2023-11-19 07:41:07,035 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (44 of 56 remaining) [2023-11-19 07:41:07,035 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (43 of 56 remaining) [2023-11-19 07:41:07,035 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (42 of 56 remaining) [2023-11-19 07:41:07,035 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (41 of 56 remaining) [2023-11-19 07:41:07,036 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (40 of 56 remaining) [2023-11-19 07:41:07,036 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (39 of 56 remaining) [2023-11-19 07:41:07,036 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (38 of 56 remaining) [2023-11-19 07:41:07,036 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (37 of 56 remaining) [2023-11-19 07:41:07,036 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (36 of 56 remaining) [2023-11-19 07:41:07,037 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (35 of 56 remaining) [2023-11-19 07:41:07,037 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (34 of 56 remaining) [2023-11-19 07:41:07,037 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (33 of 56 remaining) [2023-11-19 07:41:07,037 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (32 of 56 remaining) [2023-11-19 07:41:07,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (31 of 56 remaining) [2023-11-19 07:41:07,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (30 of 56 remaining) [2023-11-19 07:41:07,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (29 of 56 remaining) [2023-11-19 07:41:07,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (28 of 56 remaining) [2023-11-19 07:41:07,038 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (27 of 56 remaining) [2023-11-19 07:41:07,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (26 of 56 remaining) [2023-11-19 07:41:07,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (25 of 56 remaining) [2023-11-19 07:41:07,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 56 remaining) [2023-11-19 07:41:07,039 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 56 remaining) [2023-11-19 07:41:07,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (22 of 56 remaining) [2023-11-19 07:41:07,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (21 of 56 remaining) [2023-11-19 07:41:07,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (20 of 56 remaining) [2023-11-19 07:41:07,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (19 of 56 remaining) [2023-11-19 07:41:07,040 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (18 of 56 remaining) [2023-11-19 07:41:07,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (17 of 56 remaining) [2023-11-19 07:41:07,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (16 of 56 remaining) [2023-11-19 07:41:07,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 56 remaining) [2023-11-19 07:41:07,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (14 of 56 remaining) [2023-11-19 07:41:07,041 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (13 of 56 remaining) [2023-11-19 07:41:07,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (12 of 56 remaining) [2023-11-19 07:41:07,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (11 of 56 remaining) [2023-11-19 07:41:07,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (10 of 56 remaining) [2023-11-19 07:41:07,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (9 of 56 remaining) [2023-11-19 07:41:07,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (8 of 56 remaining) [2023-11-19 07:41:07,043 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (7 of 56 remaining) [2023-11-19 07:41:07,043 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (6 of 56 remaining) [2023-11-19 07:41:07,043 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (5 of 56 remaining) [2023-11-19 07:41:07,043 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (4 of 56 remaining) [2023-11-19 07:41:07,043 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (3 of 56 remaining) [2023-11-19 07:41:07,044 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (2 of 56 remaining) [2023-11-19 07:41:07,044 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (1 of 56 remaining) [2023-11-19 07:41:07,044 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (0 of 56 remaining) [2023-11-19 07:41:07,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:41:07,045 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 07:41:07,050 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 07:41:07,051 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:41:07,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:41:07 BasicIcfg [2023-11-19 07:41:07,056 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:41:07,056 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:41:07,056 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:41:07,056 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:41:07,057 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:58" (3/4) ... [2023-11-19 07:41:07,059 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:41:07,064 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-19 07:41:07,065 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-19 07:41:07,072 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-19 07:41:07,073 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:41:07,073 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:41:07,074 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:41:07,219 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c447bd25-6d8f-4437-b7e2-1309b0ce016d/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:41:07,224 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c447bd25-6d8f-4437-b7e2-1309b0ce016d/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:41:07,224 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:41:07,225 INFO L158 Benchmark]: Toolchain (without parser) took 10770.45ms. Allocated memory was 201.3MB in the beginning and 278.9MB in the end (delta: 77.6MB). Free memory was 162.3MB in the beginning and 242.1MB in the end (delta: -79.8MB). Peak memory consumption was 158.2MB. Max. memory is 16.1GB. [2023-11-19 07:41:07,226 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 113.2MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:41:07,226 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.46ms. Allocated memory is still 201.3MB. Free memory was 162.3MB in the beginning and 150.0MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:41:07,226 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.07ms. Allocated memory is still 201.3MB. Free memory was 150.0MB in the beginning and 147.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:41:07,227 INFO L158 Benchmark]: Boogie Preprocessor took 77.64ms. Allocated memory is still 201.3MB. Free memory was 147.6MB in the beginning and 145.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:41:07,227 INFO L158 Benchmark]: RCFGBuilder took 1138.38ms. Allocated memory is still 201.3MB. Free memory was 145.5MB in the beginning and 145.6MB in the end (delta: -92.8kB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2023-11-19 07:41:07,227 INFO L158 Benchmark]: TraceAbstraction took 8938.33ms. Allocated memory was 201.3MB in the beginning and 278.9MB in the end (delta: 77.6MB). Free memory was 144.5MB in the beginning and 88.7MB in the end (delta: 55.8MB). Peak memory consumption was 132.2MB. Max. memory is 16.1GB. [2023-11-19 07:41:07,228 INFO L158 Benchmark]: Witness Printer took 168.46ms. Allocated memory is still 278.9MB. Free memory was 88.7MB in the beginning and 242.1MB in the end (delta: -153.5MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2023-11-19 07:41:07,230 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 113.2MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.46ms. Allocated memory is still 201.3MB. Free memory was 162.3MB in the beginning and 150.0MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.07ms. Allocated memory is still 201.3MB. Free memory was 150.0MB in the beginning and 147.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.64ms. Allocated memory is still 201.3MB. Free memory was 147.6MB in the beginning and 145.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1138.38ms. Allocated memory is still 201.3MB. Free memory was 145.5MB in the beginning and 145.6MB in the end (delta: -92.8kB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * TraceAbstraction took 8938.33ms. Allocated memory was 201.3MB in the beginning and 278.9MB in the end (delta: 77.6MB). Free memory was 144.5MB in the beginning and 88.7MB in the end (delta: 55.8MB). Peak memory consumption was 132.2MB. Max. memory is 16.1GB. * Witness Printer took 168.46ms. Allocated memory is still 278.9MB. Free memory was 88.7MB in the beginning and 242.1MB in the end (delta: -153.5MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.2s, 161 PlacesBefore, 59 PlacesAfterwards, 178 TransitionsBefore, 55 TransitionsAfterwards, 3692 CoEnabledTransitionPairs, 8 FixpointIterations, 101 TrivialSequentialCompositions, 44 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 6 ConcurrentYvCompositions, 21 ChoiceCompositions, 179 TotalNumberOfCompositions, 7540 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3386, independent: 3181, independent conditional: 0, independent unconditional: 3181, dependent: 205, dependent conditional: 0, dependent unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1157, independent: 1117, independent conditional: 0, independent unconditional: 1117, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3386, independent: 2064, independent conditional: 0, independent unconditional: 2064, dependent: 165, dependent conditional: 0, dependent unconditional: 165, unknown: 1157, unknown conditional: 0, unknown unconditional: 1157] , Statistics on independence cache: Total cache size (in pairs): 143, Positive cache size: 130, Positive conditional cache size: 0, Positive unconditional cache size: 130, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 76]: 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: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: 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 5 procedures, 220 locations, 56 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: 8.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 128 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 71 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 422 IncrementalHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 0 mSDtfsCounter, 422 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 1.0s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 188 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 31 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 07:41:07,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c447bd25-6d8f-4437-b7e2-1309b0ce016d/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