./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/lamport.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version cf1a7837 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_7d794550-6a0b-48ba-a537-f2693dc954e1/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d794550-6a0b-48ba-a537-f2693dc954e1/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d794550-6a0b-48ba-a537-f2693dc954e1/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d794550-6a0b-48ba-a537-f2693dc954e1/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/lamport.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d794550-6a0b-48ba-a537-f2693dc954e1/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d794550-6a0b-48ba-a537-f2693dc954e1/bin/uautomizer-verify-uTZkv6EMXl --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 c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:08:28,733 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:08:28,834 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d794550-6a0b-48ba-a537-f2693dc954e1/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-12 02:08:28,841 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:08:28,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:08:28,877 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:08:28,878 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:08:28,878 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:08:28,880 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:08:28,880 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:08:28,882 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:08:28,882 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:08:28,883 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:08:28,884 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:08:28,885 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:08:28,886 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:08:28,886 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:08:28,887 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:08:28,888 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:08:28,889 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:08:28,889 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:08:28,890 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:08:28,891 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-12 02:08:28,892 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:08:28,893 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:08:28,893 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:08:28,894 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:08:28,895 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:08:28,895 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:08:28,896 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:08:28,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:08:28,897 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:08:28,898 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:08:28,898 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:08:28,899 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:08:28,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:08:28,899 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:08:28,900 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:08:28,900 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:08:28,901 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:08:28,901 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:08:28,902 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_7d794550-6a0b-48ba-a537-f2693dc954e1/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d794550-6a0b-48ba-a537-f2693dc954e1/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c35b909c90b92e30d40b0275e3d226db26dbebaf39dc73a31d7e72eee871d214 [2023-11-12 02:08:29,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:08:29,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:08:29,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:08:29,245 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:08:29,246 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:08:29,248 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d794550-6a0b-48ba-a537-f2693dc954e1/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/pthread-atomic/lamport.i [2023-11-12 02:08:32,585 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:08:32,990 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:08:32,991 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d794550-6a0b-48ba-a537-f2693dc954e1/sv-benchmarks/c/pthread-atomic/lamport.i [2023-11-12 02:08:33,010 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d794550-6a0b-48ba-a537-f2693dc954e1/bin/uautomizer-verify-uTZkv6EMXl/data/b844baab2/35b0a5df88e3449ab2cbad65713c6ae4/FLAG9ffb38039 [2023-11-12 02:08:33,027 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d794550-6a0b-48ba-a537-f2693dc954e1/bin/uautomizer-verify-uTZkv6EMXl/data/b844baab2/35b0a5df88e3449ab2cbad65713c6ae4 [2023-11-12 02:08:33,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:08:33,032 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:08:33,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:08:33,035 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:08:33,047 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:08:33,048 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:08:33" (1/1) ... [2023-11-12 02:08:33,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cb6d66d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:33, skipping insertion in model container [2023-11-12 02:08:33,050 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:08:33" (1/1) ... [2023-11-12 02:08:33,124 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:08:33,373 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 02:08:33,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:08:33,722 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:08:33,755 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 02:08:33,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:08:33,889 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:08:33,890 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:08:33,890 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:08:33,901 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:08:33,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:33 WrapperNode [2023-11-12 02:08:33,902 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:08:33,903 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:08:33,903 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:08:33,904 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:08:33,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:33" (1/1) ... [2023-11-12 02:08:33,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:33" (1/1) ... [2023-11-12 02:08:33,966 INFO L138 Inliner]: procedures = 171, calls = 85, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 321 [2023-11-12 02:08:33,966 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:08:33,967 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:08:33,968 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:08:33,968 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:08:33,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:33" (1/1) ... [2023-11-12 02:08:33,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:33" (1/1) ... [2023-11-12 02:08:33,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:33" (1/1) ... [2023-11-12 02:08:33,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:33" (1/1) ... [2023-11-12 02:08:34,010 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:33" (1/1) ... [2023-11-12 02:08:34,016 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:33" (1/1) ... [2023-11-12 02:08:34,032 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:33" (1/1) ... [2023-11-12 02:08:34,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:33" (1/1) ... [2023-11-12 02:08:34,039 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:08:34,040 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:08:34,040 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:08:34,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:08:34,041 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:33" (1/1) ... [2023-11-12 02:08:34,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:08:34,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d794550-6a0b-48ba-a537-f2693dc954e1/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:08:34,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d794550-6a0b-48ba-a537-f2693dc954e1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:08:34,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d794550-6a0b-48ba-a537-f2693dc954e1/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:08:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:08:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-11-12 02:08:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-11-12 02:08:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-12 02:08:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-12 02:08:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:08:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 02:08:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:08:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:08:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:08:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:08:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 02:08:34,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:08:34,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:08:34,149 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:08:34,315 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:08:34,317 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:08:34,737 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:08:34,850 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:08:34,850 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-12 02:08:34,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:08:34 BoogieIcfgContainer [2023-11-12 02:08:34,853 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:08:34,856 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:08:34,856 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:08:34,860 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:08:34,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:08:33" (1/3) ... [2023-11-12 02:08:34,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8d6c886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:08:34, skipping insertion in model container [2023-11-12 02:08:34,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:08:33" (2/3) ... [2023-11-12 02:08:34,862 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8d6c886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:08:34, skipping insertion in model container [2023-11-12 02:08:34,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:08:34" (3/3) ... [2023-11-12 02:08:34,863 INFO L112 eAbstractionObserver]: Analyzing ICFG lamport.i [2023-11-12 02:08:34,874 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:08:34,886 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:08:34,886 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2023-11-12 02:08:34,886 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:08:35,002 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-12 02:08:35,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 180 places, 199 transitions, 412 flow [2023-11-12 02:08:35,174 INFO L124 PetriNetUnfolderBase]: 26/197 cut-off events. [2023-11-12 02:08:35,174 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-12 02:08:35,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 197 events. 26/197 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 626 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 163. Up to 5 conditions per place. [2023-11-12 02:08:35,186 INFO L82 GeneralOperation]: Start removeDead. Operand has 180 places, 199 transitions, 412 flow [2023-11-12 02:08:35,206 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 168 places, 187 transitions, 383 flow [2023-11-12 02:08:35,210 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:08:35,221 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 168 places, 187 transitions, 383 flow [2023-11-12 02:08:35,225 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 168 places, 187 transitions, 383 flow [2023-11-12 02:08:35,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 168 places, 187 transitions, 383 flow [2023-11-12 02:08:35,317 INFO L124 PetriNetUnfolderBase]: 26/187 cut-off events. [2023-11-12 02:08:35,318 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-12 02:08:35,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 187 events. 26/187 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 626 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 163. Up to 5 conditions per place. [2023-11-12 02:08:35,336 INFO L119 LiptonReduction]: Number of co-enabled transitions 15120 [2023-11-12 02:08:38,668 INFO L134 LiptonReduction]: Checked pairs total: 49595 [2023-11-12 02:08:38,670 INFO L136 LiptonReduction]: Total number of compositions: 126 [2023-11-12 02:08:38,702 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:08:38,713 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;@23b66440, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:08:38,713 INFO L358 AbstractCegarLoop]: Starting to check reachability of 76 error locations. [2023-11-12 02:08:38,719 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-12 02:08:38,720 INFO L124 PetriNetUnfolderBase]: 1/7 cut-off events. [2023-11-12 02:08:38,720 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:08:38,720 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:08:38,721 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-11-12 02:08:38,722 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-12 02:08:38,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:08:38,728 INFO L85 PathProgramCache]: Analyzing trace with hash 31368568, now seen corresponding path program 1 times [2023-11-12 02:08:38,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:08:38,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242535964] [2023-11-12 02:08:38,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:08:38,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:08:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:08:39,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:08:39,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:08:39,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242535964] [2023-11-12 02:08:39,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242535964] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:08:39,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:08:39,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-12 02:08:39,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225910917] [2023-11-12 02:08:39,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:08:39,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:08:39,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:08:39,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:08:39,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:08:39,080 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 325 [2023-11-12 02:08:39,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 106 transitions, 221 flow. Second operand has 2 states, 2 states have (on average 119.0) internal successors, (238), 2 states have internal predecessors, (238), 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) [2023-11-12 02:08:39,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:08:39,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 325 [2023-11-12 02:08:39,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:08:39,524 INFO L124 PetriNetUnfolderBase]: 1755/2902 cut-off events. [2023-11-12 02:08:39,525 INFO L125 PetriNetUnfolderBase]: For 44/44 co-relation queries the response was YES. [2023-11-12 02:08:39,532 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5621 conditions, 2902 events. 1755/2902 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 14152 event pairs, 1257 based on Foata normal form. 0/2262 useless extension candidates. Maximal degree in co-relation 5402. Up to 2653 conditions per place. [2023-11-12 02:08:39,583 INFO L140 encePairwiseOnDemand]: 285/325 looper letters, 57 selfloop transitions, 0 changer transitions 0/66 dead transitions. [2023-11-12 02:08:39,583 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 66 transitions, 255 flow [2023-11-12 02:08:39,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:08:39,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-12 02:08:39,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 331 transitions. [2023-11-12 02:08:39,601 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5092307692307693 [2023-11-12 02:08:39,601 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 331 transitions. [2023-11-12 02:08:39,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 331 transitions. [2023-11-12 02:08:39,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:08:39,607 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 331 transitions. [2023-11-12 02:08:39,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 165.5) internal successors, (331), 2 states have internal predecessors, (331), 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) [2023-11-12 02:08:39,617 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 325.0) internal successors, (975), 3 states have internal predecessors, (975), 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) [2023-11-12 02:08:39,618 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 325.0) internal successors, (975), 3 states have internal predecessors, (975), 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) [2023-11-12 02:08:39,620 INFO L175 Difference]: Start difference. First operand has 95 places, 106 transitions, 221 flow. Second operand 2 states and 331 transitions. [2023-11-12 02:08:39,622 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 66 transitions, 255 flow [2023-11-12 02:08:39,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 66 transitions, 250 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-12 02:08:39,631 INFO L231 Difference]: Finished difference. Result has 59 places, 66 transitions, 136 flow [2023-11-12 02:08:39,634 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=136, PETRI_PLACES=59, PETRI_TRANSITIONS=66} [2023-11-12 02:08:39,638 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -36 predicate places. [2023-11-12 02:08:39,638 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 66 transitions, 136 flow [2023-11-12 02:08:39,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 119.0) internal successors, (238), 2 states have internal predecessors, (238), 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) [2023-11-12 02:08:39,639 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:08:39,639 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:08:39,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:08:39,640 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-12 02:08:39,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:08:39,641 INFO L85 PathProgramCache]: Analyzing trace with hash -2062641742, now seen corresponding path program 1 times [2023-11-12 02:08:39,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:08:39,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563618225] [2023-11-12 02:08:39,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:08:39,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:08:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:08:39,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:08:39,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:08:39,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563618225] [2023-11-12 02:08:39,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563618225] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:08:39,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:08:39,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:08:39,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501518456] [2023-11-12 02:08:39,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:08:39,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:08:39,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:08:39,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:08:39,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:08:39,794 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 325 [2023-11-12 02:08:39,795 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 66 transitions, 136 flow. Second operand has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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) [2023-11-12 02:08:39,796 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:08:39,796 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 325 [2023-11-12 02:08:39,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:08:40,352 INFO L124 PetriNetUnfolderBase]: 1869/3054 cut-off events. [2023-11-12 02:08:40,352 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-12 02:08:40,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5940 conditions, 3054 events. 1869/3054 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 14797 event pairs, 1215 based on Foata normal form. 0/2414 useless extension candidates. Maximal degree in co-relation 5937. Up to 2601 conditions per place. [2023-11-12 02:08:40,382 INFO L140 encePairwiseOnDemand]: 319/325 looper letters, 85 selfloop transitions, 5 changer transitions 0/97 dead transitions. [2023-11-12 02:08:40,382 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 97 transitions, 380 flow [2023-11-12 02:08:40,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:08:40,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:08:40,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 418 transitions. [2023-11-12 02:08:40,388 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4287179487179487 [2023-11-12 02:08:40,388 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 418 transitions. [2023-11-12 02:08:40,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 418 transitions. [2023-11-12 02:08:40,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:08:40,389 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 418 transitions. [2023-11-12 02:08:40,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 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) [2023-11-12 02:08:40,397 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 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) [2023-11-12 02:08:40,399 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 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) [2023-11-12 02:08:40,399 INFO L175 Difference]: Start difference. First operand has 59 places, 66 transitions, 136 flow. Second operand 3 states and 418 transitions. [2023-11-12 02:08:40,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 97 transitions, 380 flow [2023-11-12 02:08:40,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 97 transitions, 380 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-12 02:08:40,405 INFO L231 Difference]: Finished difference. Result has 63 places, 70 transitions, 174 flow [2023-11-12 02:08:40,405 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=63, PETRI_TRANSITIONS=70} [2023-11-12 02:08:40,407 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -32 predicate places. [2023-11-12 02:08:40,407 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 70 transitions, 174 flow [2023-11-12 02:08:40,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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) [2023-11-12 02:08:40,408 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:08:40,408 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:08:40,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:08:40,409 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-12 02:08:40,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:08:40,410 INFO L85 PathProgramCache]: Analyzing trace with hash 504616530, now seen corresponding path program 1 times [2023-11-12 02:08:40,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:08:40,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873165737] [2023-11-12 02:08:40,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:08:40,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:08:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:08:40,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:08:40,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:08:40,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873165737] [2023-11-12 02:08:40,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873165737] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:08:40,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:08:40,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:08:40,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023553482] [2023-11-12 02:08:40,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:08:40,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:08:40,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:08:40,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:08:40,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:08:40,510 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 325 [2023-11-12 02:08:40,511 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 70 transitions, 174 flow. Second operand has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 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) [2023-11-12 02:08:40,511 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:08:40,511 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 325 [2023-11-12 02:08:40,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:08:41,072 INFO L124 PetriNetUnfolderBase]: 1903/3086 cut-off events. [2023-11-12 02:08:41,072 INFO L125 PetriNetUnfolderBase]: For 253/277 co-relation queries the response was YES. [2023-11-12 02:08:41,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6408 conditions, 3086 events. 1903/3086 cut-off events. For 253/277 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 14746 event pairs, 1228 based on Foata normal form. 0/2468 useless extension candidates. Maximal degree in co-relation 6403. Up to 2664 conditions per place. [2023-11-12 02:08:41,101 INFO L140 encePairwiseOnDemand]: 319/325 looper letters, 85 selfloop transitions, 8 changer transitions 0/101 dead transitions. [2023-11-12 02:08:41,102 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 101 transitions, 439 flow [2023-11-12 02:08:41,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:08:41,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:08:41,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 416 transitions. [2023-11-12 02:08:41,105 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4266666666666667 [2023-11-12 02:08:41,106 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 416 transitions. [2023-11-12 02:08:41,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 416 transitions. [2023-11-12 02:08:41,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:08:41,107 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 416 transitions. [2023-11-12 02:08:41,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 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) [2023-11-12 02:08:41,112 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 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) [2023-11-12 02:08:41,113 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 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) [2023-11-12 02:08:41,114 INFO L175 Difference]: Start difference. First operand has 63 places, 70 transitions, 174 flow. Second operand 3 states and 416 transitions. [2023-11-12 02:08:41,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 101 transitions, 439 flow [2023-11-12 02:08:41,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 101 transitions, 423 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-12 02:08:41,123 INFO L231 Difference]: Finished difference. Result has 65 places, 76 transitions, 232 flow [2023-11-12 02:08:41,124 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=232, PETRI_PLACES=65, PETRI_TRANSITIONS=76} [2023-11-12 02:08:41,125 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -30 predicate places. [2023-11-12 02:08:41,125 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 76 transitions, 232 flow [2023-11-12 02:08:41,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 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) [2023-11-12 02:08:41,126 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:08:41,126 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:08:41,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:08:41,127 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err15ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-12 02:08:41,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:08:41,127 INFO L85 PathProgramCache]: Analyzing trace with hash 2076205530, now seen corresponding path program 1 times [2023-11-12 02:08:41,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:08:41,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471184271] [2023-11-12 02:08:41,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:08:41,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:08:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:08:41,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:08:41,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:08:41,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471184271] [2023-11-12 02:08:41,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471184271] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:08:41,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:08:41,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:08:41,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988014243] [2023-11-12 02:08:41,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:08:41,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:08:41,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:08:41,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:08:41,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:08:41,203 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 325 [2023-11-12 02:08:41,204 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 76 transitions, 232 flow. Second operand has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 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) [2023-11-12 02:08:41,204 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:08:41,205 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 325 [2023-11-12 02:08:41,205 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:08:41,727 INFO L124 PetriNetUnfolderBase]: 2022/3223 cut-off events. [2023-11-12 02:08:41,727 INFO L125 PetriNetUnfolderBase]: For 850/920 co-relation queries the response was YES. [2023-11-12 02:08:41,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7167 conditions, 3223 events. 2022/3223 cut-off events. For 850/920 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 14890 event pairs, 846 based on Foata normal form. 14/2675 useless extension candidates. Maximal degree in co-relation 7161. Up to 1790 conditions per place. [2023-11-12 02:08:41,755 INFO L140 encePairwiseOnDemand]: 317/325 looper letters, 104 selfloop transitions, 8 changer transitions 14/133 dead transitions. [2023-11-12 02:08:41,755 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 133 transitions, 621 flow [2023-11-12 02:08:41,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:08:41,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:08:41,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 447 transitions. [2023-11-12 02:08:41,759 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4584615384615385 [2023-11-12 02:08:41,759 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 447 transitions. [2023-11-12 02:08:41,759 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 447 transitions. [2023-11-12 02:08:41,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:08:41,760 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 447 transitions. [2023-11-12 02:08:41,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 149.0) internal successors, (447), 3 states have internal predecessors, (447), 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) [2023-11-12 02:08:41,765 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 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) [2023-11-12 02:08:41,766 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 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) [2023-11-12 02:08:41,767 INFO L175 Difference]: Start difference. First operand has 65 places, 76 transitions, 232 flow. Second operand 3 states and 447 transitions. [2023-11-12 02:08:41,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 133 transitions, 621 flow [2023-11-12 02:08:41,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 133 transitions, 601 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-12 02:08:41,775 INFO L231 Difference]: Finished difference. Result has 67 places, 76 transitions, 260 flow [2023-11-12 02:08:41,775 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=260, PETRI_PLACES=67, PETRI_TRANSITIONS=76} [2023-11-12 02:08:41,776 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -28 predicate places. [2023-11-12 02:08:41,777 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 76 transitions, 260 flow [2023-11-12 02:08:41,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 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) [2023-11-12 02:08:41,778 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:08:41,778 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] [2023-11-12 02:08:41,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:08:41,778 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-12 02:08:41,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:08:41,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1245407371, now seen corresponding path program 1 times [2023-11-12 02:08:41,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:08:41,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909337171] [2023-11-12 02:08:41,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:08:41,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:08:41,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:08:41,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:08:41,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:08:41,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909337171] [2023-11-12 02:08:41,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909337171] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:08:41,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:08:41,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:08:41,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400606568] [2023-11-12 02:08:41,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:08:41,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:08:41,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:08:41,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:08:41,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:08:41,940 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 325 [2023-11-12 02:08:41,941 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 76 transitions, 260 flow. Second operand has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 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) [2023-11-12 02:08:41,941 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:08:41,941 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 325 [2023-11-12 02:08:41,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:08:42,732 INFO L124 PetriNetUnfolderBase]: 3246/5237 cut-off events. [2023-11-12 02:08:42,733 INFO L125 PetriNetUnfolderBase]: For 2884/2974 co-relation queries the response was YES. [2023-11-12 02:08:42,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11968 conditions, 5237 events. 3246/5237 cut-off events. For 2884/2974 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 28743 event pairs, 822 based on Foata normal form. 0/4305 useless extension candidates. Maximal degree in co-relation 11961. Up to 2708 conditions per place. [2023-11-12 02:08:42,768 INFO L140 encePairwiseOnDemand]: 318/325 looper letters, 100 selfloop transitions, 5 changer transitions 17/133 dead transitions. [2023-11-12 02:08:42,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 133 transitions, 704 flow [2023-11-12 02:08:42,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:08:42,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:08:42,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 456 transitions. [2023-11-12 02:08:42,771 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4676923076923077 [2023-11-12 02:08:42,772 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 456 transitions. [2023-11-12 02:08:42,772 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 456 transitions. [2023-11-12 02:08:42,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:08:42,773 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 456 transitions. [2023-11-12 02:08:42,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 152.0) internal successors, (456), 3 states have internal predecessors, (456), 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) [2023-11-12 02:08:42,779 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 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) [2023-11-12 02:08:42,780 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 325.0) internal successors, (1300), 4 states have internal predecessors, (1300), 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) [2023-11-12 02:08:42,781 INFO L175 Difference]: Start difference. First operand has 67 places, 76 transitions, 260 flow. Second operand 3 states and 456 transitions. [2023-11-12 02:08:42,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 133 transitions, 704 flow [2023-11-12 02:08:42,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 133 transitions, 672 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-12 02:08:42,797 INFO L231 Difference]: Finished difference. Result has 69 places, 81 transitions, 288 flow [2023-11-12 02:08:42,797 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=288, PETRI_PLACES=69, PETRI_TRANSITIONS=81} [2023-11-12 02:08:42,798 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -26 predicate places. [2023-11-12 02:08:42,799 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 81 transitions, 288 flow [2023-11-12 02:08:42,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 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) [2023-11-12 02:08:42,799 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:08:42,800 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] [2023-11-12 02:08:42,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 02:08:42,800 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-12 02:08:42,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:08:42,801 INFO L85 PathProgramCache]: Analyzing trace with hash -373696117, now seen corresponding path program 2 times [2023-11-12 02:08:42,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:08:42,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226184086] [2023-11-12 02:08:42,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:08:42,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:08:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:08:42,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:08:42,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:08:42,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226184086] [2023-11-12 02:08:42,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226184086] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:08:42,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:08:42,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:08:42,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398384954] [2023-11-12 02:08:42,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:08:42,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:08:42,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:08:42,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:08:42,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:08:42,893 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 325 [2023-11-12 02:08:42,895 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 81 transitions, 288 flow. Second operand has 4 states, 4 states have (on average 120.0) internal successors, (480), 4 states have internal predecessors, (480), 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) [2023-11-12 02:08:42,895 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:08:42,895 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 325 [2023-11-12 02:08:42,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:08:45,092 INFO L124 PetriNetUnfolderBase]: 8988/14581 cut-off events. [2023-11-12 02:08:45,093 INFO L125 PetriNetUnfolderBase]: For 7064/7330 co-relation queries the response was YES. [2023-11-12 02:08:45,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34599 conditions, 14581 events. 8988/14581 cut-off events. For 7064/7330 co-relation queries the response was YES. Maximal size of possible extension queue 378. Compared 93935 event pairs, 1515 based on Foata normal form. 0/12803 useless extension candidates. Maximal degree in co-relation 34591. Up to 4529 conditions per place. [2023-11-12 02:08:45,197 INFO L140 encePairwiseOnDemand]: 321/325 looper letters, 223 selfloop transitions, 6 changer transitions 7/247 dead transitions. [2023-11-12 02:08:45,198 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 247 transitions, 1332 flow [2023-11-12 02:08:45,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:08:45,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-12 02:08:45,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 770 transitions. [2023-11-12 02:08:45,203 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47384615384615386 [2023-11-12 02:08:45,203 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 770 transitions. [2023-11-12 02:08:45,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 770 transitions. [2023-11-12 02:08:45,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:08:45,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 770 transitions. [2023-11-12 02:08:45,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 154.0) internal successors, (770), 5 states have internal predecessors, (770), 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) [2023-11-12 02:08:45,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 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) [2023-11-12 02:08:45,217 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 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) [2023-11-12 02:08:45,217 INFO L175 Difference]: Start difference. First operand has 69 places, 81 transitions, 288 flow. Second operand 5 states and 770 transitions. [2023-11-12 02:08:45,218 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 247 transitions, 1332 flow [2023-11-12 02:08:45,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 247 transitions, 1296 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-12 02:08:45,240 INFO L231 Difference]: Finished difference. Result has 75 places, 87 transitions, 328 flow [2023-11-12 02:08:45,240 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=278, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=328, PETRI_PLACES=75, PETRI_TRANSITIONS=87} [2023-11-12 02:08:45,244 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -20 predicate places. [2023-11-12 02:08:45,248 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 87 transitions, 328 flow [2023-11-12 02:08:45,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 120.0) internal successors, (480), 4 states have internal predecessors, (480), 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) [2023-11-12 02:08:45,250 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:08:45,250 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] [2023-11-12 02:08:45,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 02:08:45,251 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-12 02:08:45,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:08:45,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1027658445, now seen corresponding path program 3 times [2023-11-12 02:08:45,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:08:45,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142410712] [2023-11-12 02:08:45,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:08:45,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:08:45,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:08:45,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:08:45,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:08:45,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142410712] [2023-11-12 02:08:45,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142410712] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:08:45,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:08:45,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:08:45,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652129532] [2023-11-12 02:08:45,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:08:45,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:08:45,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:08:45,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:08:45,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:08:45,394 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 325 [2023-11-12 02:08:45,395 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 87 transitions, 328 flow. Second operand has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 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) [2023-11-12 02:08:45,395 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:08:45,395 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 325 [2023-11-12 02:08:45,396 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:08:47,385 INFO L124 PetriNetUnfolderBase]: 8922/14489 cut-off events. [2023-11-12 02:08:47,385 INFO L125 PetriNetUnfolderBase]: For 6910/7122 co-relation queries the response was YES. [2023-11-12 02:08:47,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34746 conditions, 14489 events. 8922/14489 cut-off events. For 6910/7122 co-relation queries the response was YES. Maximal size of possible extension queue 437. Compared 96018 event pairs, 2380 based on Foata normal form. 314/13217 useless extension candidates. Maximal degree in co-relation 34735. Up to 7320 conditions per place. [2023-11-12 02:08:47,463 INFO L140 encePairwiseOnDemand]: 310/325 looper letters, 100 selfloop transitions, 5 changer transitions 70/186 dead transitions. [2023-11-12 02:08:47,463 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 186 transitions, 1019 flow [2023-11-12 02:08:47,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:08:47,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-12 02:08:47,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 709 transitions. [2023-11-12 02:08:47,467 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4363076923076923 [2023-11-12 02:08:47,468 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 709 transitions. [2023-11-12 02:08:47,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 709 transitions. [2023-11-12 02:08:47,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:08:47,469 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 709 transitions. [2023-11-12 02:08:47,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 141.8) internal successors, (709), 5 states have internal predecessors, (709), 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) [2023-11-12 02:08:47,475 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 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) [2023-11-12 02:08:47,476 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 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) [2023-11-12 02:08:47,476 INFO L175 Difference]: Start difference. First operand has 75 places, 87 transitions, 328 flow. Second operand 5 states and 709 transitions. [2023-11-12 02:08:47,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 186 transitions, 1019 flow [2023-11-12 02:08:47,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 186 transitions, 1019 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-12 02:08:47,493 INFO L231 Difference]: Finished difference. Result has 83 places, 86 transitions, 382 flow [2023-11-12 02:08:47,493 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=382, PETRI_PLACES=83, PETRI_TRANSITIONS=86} [2023-11-12 02:08:47,494 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -12 predicate places. [2023-11-12 02:08:47,494 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 86 transitions, 382 flow [2023-11-12 02:08:47,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 117.0) internal successors, (468), 4 states have internal predecessors, (468), 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) [2023-11-12 02:08:47,495 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:08:47,495 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] [2023-11-12 02:08:47,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-12 02:08:47,496 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-12 02:08:47,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:08:47,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1727026719, now seen corresponding path program 4 times [2023-11-12 02:08:47,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:08:47,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508240733] [2023-11-12 02:08:47,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:08:47,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:08:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:08:47,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:08:47,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:08:47,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508240733] [2023-11-12 02:08:47,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508240733] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:08:47,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:08:47,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:08:47,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87299623] [2023-11-12 02:08:47,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:08:47,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:08:47,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:08:47,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:08:47,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:08:47,558 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 325 [2023-11-12 02:08:47,559 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 86 transitions, 382 flow. Second operand has 4 states, 4 states have (on average 120.0) internal successors, (480), 4 states have internal predecessors, (480), 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) [2023-11-12 02:08:47,559 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:08:47,559 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 325 [2023-11-12 02:08:47,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:08:49,925 INFO L124 PetriNetUnfolderBase]: 10028/16821 cut-off events. [2023-11-12 02:08:49,926 INFO L125 PetriNetUnfolderBase]: For 12365/12619 co-relation queries the response was YES. [2023-11-12 02:08:50,011 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45064 conditions, 16821 events. 10028/16821 cut-off events. For 12365/12619 co-relation queries the response was YES. Maximal size of possible extension queue 475. Compared 116087 event pairs, 2361 based on Foata normal form. 0/15739 useless extension candidates. Maximal degree in co-relation 45049. Up to 5209 conditions per place. [2023-11-12 02:08:50,051 INFO L140 encePairwiseOnDemand]: 321/325 looper letters, 181 selfloop transitions, 6 changer transitions 56/254 dead transitions. [2023-11-12 02:08:50,051 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 254 transitions, 1623 flow [2023-11-12 02:08:50,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:08:50,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-12 02:08:50,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 773 transitions. [2023-11-12 02:08:50,056 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4756923076923077 [2023-11-12 02:08:50,056 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 773 transitions. [2023-11-12 02:08:50,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 773 transitions. [2023-11-12 02:08:50,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:08:50,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 773 transitions. [2023-11-12 02:08:50,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 154.6) internal successors, (773), 5 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) [2023-11-12 02:08:50,064 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 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) [2023-11-12 02:08:50,066 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 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) [2023-11-12 02:08:50,066 INFO L175 Difference]: Start difference. First operand has 83 places, 86 transitions, 382 flow. Second operand 5 states and 773 transitions. [2023-11-12 02:08:50,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 254 transitions, 1623 flow [2023-11-12 02:08:50,118 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 254 transitions, 1507 flow, removed 41 selfloop flow, removed 3 redundant places. [2023-11-12 02:08:50,122 INFO L231 Difference]: Finished difference. Result has 86 places, 90 transitions, 404 flow [2023-11-12 02:08:50,123 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=404, PETRI_PLACES=86, PETRI_TRANSITIONS=90} [2023-11-12 02:08:50,124 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -9 predicate places. [2023-11-12 02:08:50,124 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 90 transitions, 404 flow [2023-11-12 02:08:50,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 120.0) internal successors, (480), 4 states have internal predecessors, (480), 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) [2023-11-12 02:08:50,125 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:08:50,125 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] [2023-11-12 02:08:50,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-12 02:08:50,125 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thr2Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-12 02:08:50,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:08:50,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1175937066, now seen corresponding path program 1 times [2023-11-12 02:08:50,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:08:50,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784549531] [2023-11-12 02:08:50,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:08:50,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:08:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:08:50,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:08:50,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:08:50,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784549531] [2023-11-12 02:08:50,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784549531] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:08:50,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:08:50,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:08:50,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208555215] [2023-11-12 02:08:50,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:08:50,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:08:50,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:08:50,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:08:50,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:08:50,210 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 325 [2023-11-12 02:08:50,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 90 transitions, 404 flow. Second operand has 4 states, 4 states have (on average 119.5) internal successors, (478), 4 states have internal predecessors, (478), 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) [2023-11-12 02:08:50,212 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:08:50,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 325 [2023-11-12 02:08:50,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:08:52,057 INFO L124 PetriNetUnfolderBase]: 8504/14383 cut-off events. [2023-11-12 02:08:52,058 INFO L125 PetriNetUnfolderBase]: For 10097/10319 co-relation queries the response was YES. [2023-11-12 02:08:52,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37384 conditions, 14383 events. 8504/14383 cut-off events. For 10097/10319 co-relation queries the response was YES. Maximal size of possible extension queue 349. Compared 96852 event pairs, 3983 based on Foata normal form. 226/13817 useless extension candidates. Maximal degree in co-relation 37367. Up to 9641 conditions per place. [2023-11-12 02:08:52,146 INFO L140 encePairwiseOnDemand]: 317/325 looper letters, 85 selfloop transitions, 3 changer transitions 71/170 dead transitions. [2023-11-12 02:08:52,146 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 170 transitions, 1065 flow [2023-11-12 02:08:52,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:08:52,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-12 02:08:52,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 696 transitions. [2023-11-12 02:08:52,157 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42830769230769233 [2023-11-12 02:08:52,157 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 696 transitions. [2023-11-12 02:08:52,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 696 transitions. [2023-11-12 02:08:52,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:08:52,159 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 696 transitions. [2023-11-12 02:08:52,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 139.2) internal successors, (696), 5 states have internal predecessors, (696), 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) [2023-11-12 02:08:52,172 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 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) [2023-11-12 02:08:52,173 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 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) [2023-11-12 02:08:52,174 INFO L175 Difference]: Start difference. First operand has 86 places, 90 transitions, 404 flow. Second operand 5 states and 696 transitions. [2023-11-12 02:08:52,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 170 transitions, 1065 flow [2023-11-12 02:08:52,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 170 transitions, 1057 flow, removed 4 selfloop flow, removed 0 redundant places. [2023-11-12 02:08:52,203 INFO L231 Difference]: Finished difference. Result has 93 places, 84 transitions, 405 flow [2023-11-12 02:08:52,203 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=405, PETRI_PLACES=93, PETRI_TRANSITIONS=84} [2023-11-12 02:08:52,205 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -2 predicate places. [2023-11-12 02:08:52,206 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 84 transitions, 405 flow [2023-11-12 02:08:52,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 119.5) internal successors, (478), 4 states have internal predecessors, (478), 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) [2023-11-12 02:08:52,206 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:08:52,207 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] [2023-11-12 02:08:52,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-12 02:08:52,207 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err14ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 72 more)] === [2023-11-12 02:08:52,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:08:52,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1474732152, now seen corresponding path program 1 times [2023-11-12 02:08:52,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:08:52,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309883689] [2023-11-12 02:08:52,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:08:52,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:08:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:08:52,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:08:52,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:08:52,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309883689] [2023-11-12 02:08:52,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309883689] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:08:52,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:08:52,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:08:52,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171736581] [2023-11-12 02:08:52,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:08:52,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:08:52,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:08:52,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:08:52,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:08:52,315 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 325 [2023-11-12 02:08:52,316 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 84 transitions, 405 flow. Second operand has 4 states, 4 states have (on average 119.75) internal successors, (479), 4 states have internal predecessors, (479), 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) [2023-11-12 02:08:52,317 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:08:52,317 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 325 [2023-11-12 02:08:52,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:08:53,632 INFO L124 PetriNetUnfolderBase]: 3963/6778 cut-off events. [2023-11-12 02:08:53,633 INFO L125 PetriNetUnfolderBase]: For 5822/5860 co-relation queries the response was YES. [2023-11-12 02:08:53,666 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19006 conditions, 6778 events. 3963/6778 cut-off events. For 5822/5860 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 39296 event pairs, 1583 based on Foata normal form. 54/6580 useless extension candidates. Maximal degree in co-relation 18985. Up to 3813 conditions per place. [2023-11-12 02:08:53,671 INFO L140 encePairwiseOnDemand]: 318/325 looper letters, 0 selfloop transitions, 0 changer transitions 145/145 dead transitions. [2023-11-12 02:08:53,671 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 145 transitions, 951 flow [2023-11-12 02:08:53,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:08:53,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-12 02:08:53,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 687 transitions. [2023-11-12 02:08:53,676 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4227692307692308 [2023-11-12 02:08:53,676 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 687 transitions. [2023-11-12 02:08:53,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 687 transitions. [2023-11-12 02:08:53,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:08:53,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 687 transitions. [2023-11-12 02:08:53,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 137.4) internal successors, (687), 5 states have internal predecessors, (687), 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) [2023-11-12 02:08:53,686 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 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) [2023-11-12 02:08:53,687 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 325.0) internal successors, (1950), 6 states have internal predecessors, (1950), 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) [2023-11-12 02:08:53,687 INFO L175 Difference]: Start difference. First operand has 93 places, 84 transitions, 405 flow. Second operand 5 states and 687 transitions. [2023-11-12 02:08:53,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 145 transitions, 951 flow [2023-11-12 02:08:53,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 145 transitions, 853 flow, removed 27 selfloop flow, removed 9 redundant places. [2023-11-12 02:08:53,729 INFO L231 Difference]: Finished difference. Result has 79 places, 0 transitions, 0 flow [2023-11-12 02:08:53,729 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=325, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=79, PETRI_TRANSITIONS=0} [2023-11-12 02:08:53,730 INFO L281 CegarLoopForPetriNet]: 95 programPoint places, -16 predicate places. [2023-11-12 02:08:53,730 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 0 transitions, 0 flow [2023-11-12 02:08:53,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 119.75) internal successors, (479), 4 states have internal predecessors, (479), 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) [2023-11-12 02:08:53,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (75 of 76 remaining) [2023-11-12 02:08:53,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (74 of 76 remaining) [2023-11-12 02:08:53,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err14ASSERT_VIOLATIONDATA_RACE (73 of 76 remaining) [2023-11-12 02:08:53,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (72 of 76 remaining) [2023-11-12 02:08:53,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (71 of 76 remaining) [2023-11-12 02:08:53,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (70 of 76 remaining) [2023-11-12 02:08:53,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err15ASSERT_VIOLATIONDATA_RACE (69 of 76 remaining) [2023-11-12 02:08:53,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (68 of 76 remaining) [2023-11-12 02:08:53,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (67 of 76 remaining) [2023-11-12 02:08:53,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err16ASSERT_VIOLATIONDATA_RACE (66 of 76 remaining) [2023-11-12 02:08:53,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (65 of 76 remaining) [2023-11-12 02:08:53,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (64 of 76 remaining) [2023-11-12 02:08:53,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err17ASSERT_VIOLATIONDATA_RACE (63 of 76 remaining) [2023-11-12 02:08:53,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (62 of 76 remaining) [2023-11-12 02:08:53,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (61 of 76 remaining) [2023-11-12 02:08:53,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (60 of 76 remaining) [2023-11-12 02:08:53,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err12ASSERT_VIOLATIONDATA_RACE (59 of 76 remaining) [2023-11-12 02:08:53,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err13ASSERT_VIOLATIONDATA_RACE (58 of 76 remaining) [2023-11-12 02:08:53,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (57 of 76 remaining) [2023-11-12 02:08:53,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (56 of 76 remaining) [2023-11-12 02:08:53,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (55 of 76 remaining) [2023-11-12 02:08:53,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (54 of 76 remaining) [2023-11-12 02:08:53,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (53 of 76 remaining) [2023-11-12 02:08:53,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (52 of 76 remaining) [2023-11-12 02:08:53,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (51 of 76 remaining) [2023-11-12 02:08:53,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (50 of 76 remaining) [2023-11-12 02:08:53,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (49 of 76 remaining) [2023-11-12 02:08:53,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err16ASSERT_VIOLATIONDATA_RACE (48 of 76 remaining) [2023-11-12 02:08:53,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (47 of 76 remaining) [2023-11-12 02:08:53,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (46 of 76 remaining) [2023-11-12 02:08:53,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err17ASSERT_VIOLATIONDATA_RACE (45 of 76 remaining) [2023-11-12 02:08:53,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (44 of 76 remaining) [2023-11-12 02:08:53,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (43 of 76 remaining) [2023-11-12 02:08:53,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (42 of 76 remaining) [2023-11-12 02:08:53,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (41 of 76 remaining) [2023-11-12 02:08:53,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (40 of 76 remaining) [2023-11-12 02:08:53,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (39 of 76 remaining) [2023-11-12 02:08:53,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (38 of 76 remaining) [2023-11-12 02:08:53,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 76 remaining) [2023-11-12 02:08:53,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 76 remaining) [2023-11-12 02:08:53,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (35 of 76 remaining) [2023-11-12 02:08:53,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (34 of 76 remaining) [2023-11-12 02:08:53,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err14ASSERT_VIOLATIONDATA_RACE (33 of 76 remaining) [2023-11-12 02:08:53,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (32 of 76 remaining) [2023-11-12 02:08:53,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (31 of 76 remaining) [2023-11-12 02:08:53,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (30 of 76 remaining) [2023-11-12 02:08:53,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err15ASSERT_VIOLATIONDATA_RACE (29 of 76 remaining) [2023-11-12 02:08:53,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (28 of 76 remaining) [2023-11-12 02:08:53,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (27 of 76 remaining) [2023-11-12 02:08:53,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err16ASSERT_VIOLATIONDATA_RACE (26 of 76 remaining) [2023-11-12 02:08:53,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (25 of 76 remaining) [2023-11-12 02:08:53,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (24 of 76 remaining) [2023-11-12 02:08:53,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err17ASSERT_VIOLATIONDATA_RACE (23 of 76 remaining) [2023-11-12 02:08:53,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (22 of 76 remaining) [2023-11-12 02:08:53,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (21 of 76 remaining) [2023-11-12 02:08:53,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (20 of 76 remaining) [2023-11-12 02:08:53,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err12ASSERT_VIOLATIONDATA_RACE (19 of 76 remaining) [2023-11-12 02:08:53,745 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err13ASSERT_VIOLATIONDATA_RACE (18 of 76 remaining) [2023-11-12 02:08:53,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (17 of 76 remaining) [2023-11-12 02:08:53,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (16 of 76 remaining) [2023-11-12 02:08:53,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (15 of 76 remaining) [2023-11-12 02:08:53,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (14 of 76 remaining) [2023-11-12 02:08:53,746 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (13 of 76 remaining) [2023-11-12 02:08:53,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (12 of 76 remaining) [2023-11-12 02:08:53,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (11 of 76 remaining) [2023-11-12 02:08:53,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (10 of 76 remaining) [2023-11-12 02:08:53,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (9 of 76 remaining) [2023-11-12 02:08:53,747 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err16ASSERT_VIOLATIONDATA_RACE (8 of 76 remaining) [2023-11-12 02:08:53,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (7 of 76 remaining) [2023-11-12 02:08:53,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (6 of 76 remaining) [2023-11-12 02:08:53,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err17ASSERT_VIOLATIONDATA_RACE (5 of 76 remaining) [2023-11-12 02:08:53,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (4 of 76 remaining) [2023-11-12 02:08:53,748 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (3 of 76 remaining) [2023-11-12 02:08:53,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (2 of 76 remaining) [2023-11-12 02:08:53,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (1 of 76 remaining) [2023-11-12 02:08:53,749 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (0 of 76 remaining) [2023-11-12 02:08:53,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-12 02:08:53,750 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1] [2023-11-12 02:08:53,757 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-12 02:08:53,757 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:08:53,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:08:53 BasicIcfg [2023-11-12 02:08:53,762 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:08:53,763 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:08:53,763 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:08:53,763 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:08:53,764 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:08:34" (3/4) ... [2023-11-12 02:08:53,765 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:08:53,769 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2023-11-12 02:08:53,769 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2023-11-12 02:08:53,774 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-12 02:08:53,774 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 02:08:53,775 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 02:08:53,775 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:08:53,861 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d794550-6a0b-48ba-a537-f2693dc954e1/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:08:53,862 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d794550-6a0b-48ba-a537-f2693dc954e1/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:08:53,862 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:08:53,863 INFO L158 Benchmark]: Toolchain (without parser) took 20830.63ms. Allocated memory was 180.4MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 145.1MB in the beginning and 2.4GB in the end (delta: -2.2GB). Peak memory consumption was 527.3MB. Max. memory is 16.1GB. [2023-11-12 02:08:53,863 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 138.4MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:08:53,864 INFO L158 Benchmark]: CACSL2BoogieTranslator took 868.40ms. Allocated memory is still 180.4MB. Free memory was 145.1MB in the beginning and 124.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-12 02:08:53,864 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.47ms. Allocated memory is still 180.4MB. Free memory was 124.1MB in the beginning and 121.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:08:53,865 INFO L158 Benchmark]: Boogie Preprocessor took 71.95ms. Allocated memory is still 180.4MB. Free memory was 121.0MB in the beginning and 119.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:08:53,865 INFO L158 Benchmark]: RCFGBuilder took 813.48ms. Allocated memory is still 180.4MB. Free memory was 119.0MB in the beginning and 87.6MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-12 02:08:53,866 INFO L158 Benchmark]: TraceAbstraction took 18906.10ms. Allocated memory was 180.4MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 86.4MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 550.4MB. Max. memory is 16.1GB. [2023-11-12 02:08:53,866 INFO L158 Benchmark]: Witness Printer took 99.52ms. Allocated memory is still 3.0GB. Free memory was 2.4GB in the beginning and 2.4GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:08:53,869 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 138.4MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 868.40ms. Allocated memory is still 180.4MB. Free memory was 145.1MB in the beginning and 124.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.47ms. Allocated memory is still 180.4MB. Free memory was 124.1MB in the beginning and 121.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.95ms. Allocated memory is still 180.4MB. Free memory was 121.0MB in the beginning and 119.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 813.48ms. Allocated memory is still 180.4MB. Free memory was 119.0MB in the beginning and 87.6MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 18906.10ms. Allocated memory was 180.4MB in the beginning and 3.0GB in the end (delta: 2.8GB). Free memory was 86.4MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 550.4MB. Max. memory is 16.1GB. * Witness Printer took 99.52ms. Allocated memory is still 3.0GB. Free memory was 2.4GB in the beginning and 2.4GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.4s, 168 PlacesBefore, 95 PlacesAfterwards, 187 TransitionsBefore, 106 TransitionsAfterwards, 15120 CoEnabledTransitionPairs, 5 FixpointIterations, 17 TrivialSequentialCompositions, 92 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 8 ChoiceCompositions, 126 TotalNumberOfCompositions, 49595 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 17802, independent: 17128, independent conditional: 0, independent unconditional: 17128, dependent: 674, dependent conditional: 0, dependent unconditional: 674, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6625, independent: 6527, independent conditional: 0, independent unconditional: 6527, dependent: 98, dependent conditional: 0, dependent unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 17802, independent: 10601, independent conditional: 0, independent unconditional: 10601, dependent: 576, dependent conditional: 0, dependent unconditional: 576, unknown: 6625, unknown conditional: 0, unknown unconditional: 6625] , Statistics on independence cache: Total cache size (in pairs): 1030, Positive cache size: 965, Positive conditional cache size: 0, Positive unconditional cache size: 965, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 776]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 779]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 833]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 782]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 786]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 799]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 834]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 802]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 836]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 806]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 839]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 809]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 813]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 817]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 821]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 825]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 764]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 732]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 766]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 736]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 769]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 739]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 747]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 751]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 847]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 848]: 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, 296 locations, 76 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 18.7s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 13.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 711 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 625 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2174 IncrementalHoareTripleChecker+Invalid, 2213 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 31 mSDtfsCounter, 2174 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=405occurred in iteration=9, InterpolantAutomatonStates: 39, 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, 0.7s InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 163 ConstructedInterpolants, 0 QuantifiedInterpolants, 259 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 38 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-12 02:08:53,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d794550-6a0b-48ba-a537-f2693dc954e1/bin/uautomizer-verify-uTZkv6EMXl/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