./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_17-ps_add1_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b 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_05ee97ed-d8f4-4f5d-91d9-2011c96d8300/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ee97ed-d8f4-4f5d-91d9-2011c96d8300/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ee97ed-d8f4-4f5d-91d9-2011c96d8300/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ee97ed-d8f4-4f5d-91d9-2011c96d8300/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_17-ps_add1_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ee97ed-d8f4-4f5d-91d9-2011c96d8300/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ee97ed-d8f4-4f5d-91d9-2011c96d8300/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 013bb91f520a17a9cdc0cfee70ba812e0f5d104f38897431df1c1d9fa0ad9ebb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:11:41,388 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:11:41,527 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ee97ed-d8f4-4f5d-91d9-2011c96d8300/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 23:11:41,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:11:41,539 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:11:41,589 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:11:41,590 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:11:41,591 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:11:41,592 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:11:41,598 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:11:41,600 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:11:41,601 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:11:41,601 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:11:41,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:11:41,604 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:11:41,605 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:11:41,605 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:11:41,606 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:11:41,606 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:11:41,607 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:11:41,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:11:41,608 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:11:41,609 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 23:11:41,609 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:11:41,610 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:11:41,611 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:11:41,611 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:11:41,612 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:11:41,613 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:11:41,613 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:11:41,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:11:41,616 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:11:41,616 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:11:41,616 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:11:41,617 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:11:41,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:11:41,618 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:11:41,618 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:11:41,618 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:11:41,619 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:11:41,619 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:11:41,620 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_05ee97ed-d8f4-4f5d-91d9-2011c96d8300/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ee97ed-d8f4-4f5d-91d9-2011c96d8300/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 013bb91f520a17a9cdc0cfee70ba812e0f5d104f38897431df1c1d9fa0ad9ebb [2023-11-06 23:11:42,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:11:42,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:11:42,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:11:42,057 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:11:42,058 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:11:42,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ee97ed-d8f4-4f5d-91d9-2011c96d8300/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/goblint-regression/04-mutex_17-ps_add1_nr.i [2023-11-06 23:11:45,504 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:11:45,856 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:11:45,857 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ee97ed-d8f4-4f5d-91d9-2011c96d8300/sv-benchmarks/c/goblint-regression/04-mutex_17-ps_add1_nr.i [2023-11-06 23:11:45,891 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ee97ed-d8f4-4f5d-91d9-2011c96d8300/bin/uautomizer-verify-WvqO1wxjHP/data/da7233565/effc770eb6fa45839c39e5f14a227089/FLAGdf86ef6c6 [2023-11-06 23:11:45,911 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ee97ed-d8f4-4f5d-91d9-2011c96d8300/bin/uautomizer-verify-WvqO1wxjHP/data/da7233565/effc770eb6fa45839c39e5f14a227089 [2023-11-06 23:11:45,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:11:45,917 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:11:45,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:11:45,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:11:45,927 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:11:45,928 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:11:45" (1/1) ... [2023-11-06 23:11:45,929 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@169d83d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:45, skipping insertion in model container [2023-11-06 23:11:45,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:11:45" (1/1) ... [2023-11-06 23:11:45,998 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:11:46,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:11:46,828 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:11:46,901 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:11:47,057 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:11:47,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:47 WrapperNode [2023-11-06 23:11:47,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:11:47,060 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:11:47,060 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:11:47,061 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:11:47,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:47" (1/1) ... [2023-11-06 23:11:47,110 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:47" (1/1) ... [2023-11-06 23:11:47,145 INFO L138 Inliner]: procedures = 266, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 58 [2023-11-06 23:11:47,146 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:11:47,147 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:11:47,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:11:47,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:11:47,162 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:47" (1/1) ... [2023-11-06 23:11:47,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:47" (1/1) ... [2023-11-06 23:11:47,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:47" (1/1) ... [2023-11-06 23:11:47,170 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:47" (1/1) ... [2023-11-06 23:11:47,176 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:47" (1/1) ... [2023-11-06 23:11:47,178 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:47" (1/1) ... [2023-11-06 23:11:47,181 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:47" (1/1) ... [2023-11-06 23:11:47,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:47" (1/1) ... [2023-11-06 23:11:47,186 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:11:47,187 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:11:47,187 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:11:47,187 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:11:47,189 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:47" (1/1) ... [2023-11-06 23:11:47,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:11:47,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ee97ed-d8f4-4f5d-91d9-2011c96d8300/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:47,236 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ee97ed-d8f4-4f5d-91d9-2011c96d8300/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:11:47,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ee97ed-d8f4-4f5d-91d9-2011c96d8300/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:11:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:11:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:11:47,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:11:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 23:11:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:11:47,283 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-06 23:11:47,283 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-06 23:11:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:11:47,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:11:47,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:11:47,286 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 23:11:47,476 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:11:47,479 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:11:47,731 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:11:47,742 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:11:47,742 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 23:11:47,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:47 BoogieIcfgContainer [2023-11-06 23:11:47,745 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:11:47,748 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:11:47,748 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:11:47,753 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:11:47,753 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:11:45" (1/3) ... [2023-11-06 23:11:47,754 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e5e8fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:11:47, skipping insertion in model container [2023-11-06 23:11:47,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:47" (2/3) ... [2023-11-06 23:11:47,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e5e8fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:11:47, skipping insertion in model container [2023-11-06 23:11:47,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:47" (3/3) ... [2023-11-06 23:11:47,757 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_17-ps_add1_nr.i [2023-11-06 23:11:47,769 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 23:11:47,784 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:11:47,784 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-06 23:11:47,784 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 23:11:47,872 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-06 23:11:47,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 81 places, 81 transitions, 166 flow [2023-11-06 23:11:47,982 INFO L124 PetriNetUnfolderBase]: 4/80 cut-off events. [2023-11-06 23:11:47,982 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:11:47,989 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 80 events. 4/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 128 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place. [2023-11-06 23:11:47,989 INFO L82 GeneralOperation]: Start removeDead. Operand has 81 places, 81 transitions, 166 flow [2023-11-06 23:11:47,995 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 80 places, 80 transitions, 163 flow [2023-11-06 23:11:48,001 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 23:11:48,015 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 80 transitions, 163 flow [2023-11-06 23:11:48,019 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 80 transitions, 163 flow [2023-11-06 23:11:48,020 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 80 places, 80 transitions, 163 flow [2023-11-06 23:11:48,051 INFO L124 PetriNetUnfolderBase]: 4/80 cut-off events. [2023-11-06 23:11:48,051 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:11:48,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 80 events. 4/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 128 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 59. Up to 2 conditions per place. [2023-11-06 23:11:48,055 INFO L119 LiptonReduction]: Number of co-enabled transitions 1428 [2023-11-06 23:11:50,863 INFO L134 LiptonReduction]: Checked pairs total: 4248 [2023-11-06 23:11:50,864 INFO L136 LiptonReduction]: Total number of compositions: 71 [2023-11-06 23:11:50,886 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:11:50,895 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=LoopsAndPotentialCycles, 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;@89632cf, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:11:50,895 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-11-06 23:11:50,901 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 23:11:50,901 INFO L124 PetriNetUnfolderBase]: 1/9 cut-off events. [2023-11-06 23:11:50,901 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:11:50,902 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:11:50,902 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 23:11:50,903 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-06 23:11:50,909 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:50,910 INFO L85 PathProgramCache]: Analyzing trace with hash 280304165, now seen corresponding path program 1 times [2023-11-06 23:11:50,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:50,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552966140] [2023-11-06 23:11:50,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:50,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:51,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:11:51,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:51,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552966140] [2023-11-06 23:11:51,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552966140] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:51,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:51,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:11:51,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990386618] [2023-11-06 23:11:51,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:51,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:11:51,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:51,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:11:51,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:51,330 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 152 [2023-11-06 23:11:51,334 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 24 transitions, 51 flow. Second operand has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 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) [2023-11-06 23:11:51,334 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:11:51,334 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 152 [2023-11-06 23:11:51,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:11:51,464 INFO L124 PetriNetUnfolderBase]: 70/181 cut-off events. [2023-11-06 23:11:51,464 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:11:51,466 INFO L83 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 181 events. 70/181 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 701 event pairs, 24 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 325. Up to 87 conditions per place. [2023-11-06 23:11:51,469 INFO L140 encePairwiseOnDemand]: 144/152 looper letters, 28 selfloop transitions, 6 changer transitions 0/39 dead transitions. [2023-11-06 23:11:51,470 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 39 transitions, 149 flow [2023-11-06 23:11:51,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:11:51,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:11:51,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 252 transitions. [2023-11-06 23:11:51,494 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5526315789473685 [2023-11-06 23:11:51,495 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 252 transitions. [2023-11-06 23:11:51,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 252 transitions. [2023-11-06 23:11:51,498 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:11:51,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 252 transitions. [2023-11-06 23:11:51,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 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) [2023-11-06 23:11:51,512 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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) [2023-11-06 23:11:51,513 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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) [2023-11-06 23:11:51,515 INFO L175 Difference]: Start difference. First operand has 26 places, 24 transitions, 51 flow. Second operand 3 states and 252 transitions. [2023-11-06 23:11:51,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 39 transitions, 149 flow [2023-11-06 23:11:51,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 39 transitions, 148 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 23:11:51,522 INFO L231 Difference]: Finished difference. Result has 29 places, 30 transitions, 102 flow [2023-11-06 23:11:51,525 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=29, PETRI_TRANSITIONS=30} [2023-11-06 23:11:51,531 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 3 predicate places. [2023-11-06 23:11:51,531 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 30 transitions, 102 flow [2023-11-06 23:11:51,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.66666666666667) internal successors, (221), 3 states have internal predecessors, (221), 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) [2023-11-06 23:11:51,532 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:11:51,532 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:51,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:11:51,533 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-06 23:11:51,534 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:51,534 INFO L85 PathProgramCache]: Analyzing trace with hash 585932024, now seen corresponding path program 1 times [2023-11-06 23:11:51,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:51,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085087738] [2023-11-06 23:11:51,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:51,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:51,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:51,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:11:51,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:51,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085087738] [2023-11-06 23:11:51,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085087738] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:51,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:51,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:11:51,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471194899] [2023-11-06 23:11:51,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:51,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:11:51,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:51,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:11:51,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:51,675 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 152 [2023-11-06 23:11:51,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 30 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 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) [2023-11-06 23:11:51,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:11:51,676 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 152 [2023-11-06 23:11:51,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:11:51,816 INFO L124 PetriNetUnfolderBase]: 60/169 cut-off events. [2023-11-06 23:11:51,816 INFO L125 PetriNetUnfolderBase]: For 71/73 co-relation queries the response was YES. [2023-11-06 23:11:51,818 INFO L83 FinitePrefix]: Finished finitePrefix Result has 386 conditions, 169 events. 60/169 cut-off events. For 71/73 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 660 event pairs, 29 based on Foata normal form. 2/151 useless extension candidates. Maximal degree in co-relation 376. Up to 111 conditions per place. [2023-11-06 23:11:51,820 INFO L140 encePairwiseOnDemand]: 147/152 looper letters, 19 selfloop transitions, 6 changer transitions 2/37 dead transitions. [2023-11-06 23:11:51,820 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 37 transitions, 180 flow [2023-11-06 23:11:51,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:11:51,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:11:51,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 233 transitions. [2023-11-06 23:11:51,833 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5109649122807017 [2023-11-06 23:11:51,833 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 233 transitions. [2023-11-06 23:11:51,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 233 transitions. [2023-11-06 23:11:51,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:11:51,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 233 transitions. [2023-11-06 23:11:51,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 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) [2023-11-06 23:11:51,839 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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) [2023-11-06 23:11:51,840 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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) [2023-11-06 23:11:51,840 INFO L175 Difference]: Start difference. First operand has 29 places, 30 transitions, 102 flow. Second operand 3 states and 233 transitions. [2023-11-06 23:11:51,840 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 37 transitions, 180 flow [2023-11-06 23:11:51,843 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 37 transitions, 164 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 23:11:51,844 INFO L231 Difference]: Finished difference. Result has 30 places, 34 transitions, 132 flow [2023-11-06 23:11:51,845 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=132, PETRI_PLACES=30, PETRI_TRANSITIONS=34} [2023-11-06 23:11:51,846 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 4 predicate places. [2023-11-06 23:11:51,846 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 34 transitions, 132 flow [2023-11-06 23:11:51,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 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) [2023-11-06 23:11:51,847 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:11:51,847 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:51,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:11:51,848 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-06 23:11:51,849 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:51,849 INFO L85 PathProgramCache]: Analyzing trace with hash 520459372, now seen corresponding path program 1 times [2023-11-06 23:11:51,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:51,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535389775] [2023-11-06 23:11:51,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:51,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:51,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:11:51,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:51,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535389775] [2023-11-06 23:11:51,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535389775] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:51,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:51,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:11:51,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216575336] [2023-11-06 23:11:51,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:51,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:11:51,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:51,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:11:51,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:51,959 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 152 [2023-11-06 23:11:51,962 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 34 transitions, 132 flow. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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) [2023-11-06 23:11:51,962 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:11:51,962 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 152 [2023-11-06 23:11:51,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:11:52,068 INFO L124 PetriNetUnfolderBase]: 70/188 cut-off events. [2023-11-06 23:11:52,069 INFO L125 PetriNetUnfolderBase]: For 111/121 co-relation queries the response was YES. [2023-11-06 23:11:52,073 INFO L83 FinitePrefix]: Finished finitePrefix Result has 460 conditions, 188 events. 70/188 cut-off events. For 111/121 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 720 event pairs, 20 based on Foata normal form. 2/166 useless extension candidates. Maximal degree in co-relation 449. Up to 99 conditions per place. [2023-11-06 23:11:52,076 INFO L140 encePairwiseOnDemand]: 146/152 looper letters, 17 selfloop transitions, 7 changer transitions 12/46 dead transitions. [2023-11-06 23:11:52,076 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 46 transitions, 245 flow [2023-11-06 23:11:52,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:11:52,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:11:52,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 243 transitions. [2023-11-06 23:11:52,083 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5328947368421053 [2023-11-06 23:11:52,083 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 243 transitions. [2023-11-06 23:11:52,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 243 transitions. [2023-11-06 23:11:52,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:11:52,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 243 transitions. [2023-11-06 23:11:52,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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) [2023-11-06 23:11:52,091 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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) [2023-11-06 23:11:52,092 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 152.0) internal successors, (608), 4 states have internal predecessors, (608), 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) [2023-11-06 23:11:52,093 INFO L175 Difference]: Start difference. First operand has 30 places, 34 transitions, 132 flow. Second operand 3 states and 243 transitions. [2023-11-06 23:11:52,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 46 transitions, 245 flow [2023-11-06 23:11:52,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 46 transitions, 236 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 23:11:52,100 INFO L231 Difference]: Finished difference. Result has 33 places, 32 transitions, 158 flow [2023-11-06 23:11:52,101 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=158, PETRI_PLACES=33, PETRI_TRANSITIONS=32} [2023-11-06 23:11:52,103 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 7 predicate places. [2023-11-06 23:11:52,108 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 32 transitions, 158 flow [2023-11-06 23:11:52,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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) [2023-11-06 23:11:52,109 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:11:52,109 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:52,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 23:11:52,110 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-06 23:11:52,111 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:52,111 INFO L85 PathProgramCache]: Analyzing trace with hash -349653199, now seen corresponding path program 1 times [2023-11-06 23:11:52,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:52,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062519806] [2023-11-06 23:11:52,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:52,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:52,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:11:52,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:52,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062519806] [2023-11-06 23:11:52,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062519806] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:52,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:52,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:11:52,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898332] [2023-11-06 23:11:52,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:52,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:11:52,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:52,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:11:52,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:11:52,515 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 152 [2023-11-06 23:11:52,516 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 32 transitions, 158 flow. Second operand has 4 states, 4 states have (on average 72.75) internal successors, (291), 4 states have internal predecessors, (291), 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) [2023-11-06 23:11:52,517 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:11:52,517 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 152 [2023-11-06 23:11:52,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:11:52,624 INFO L124 PetriNetUnfolderBase]: 57/248 cut-off events. [2023-11-06 23:11:52,624 INFO L125 PetriNetUnfolderBase]: For 359/368 co-relation queries the response was YES. [2023-11-06 23:11:52,626 INFO L83 FinitePrefix]: Finished finitePrefix Result has 716 conditions, 248 events. 57/248 cut-off events. For 359/368 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1466 event pairs, 18 based on Foata normal form. 9/246 useless extension candidates. Maximal degree in co-relation 704. Up to 61 conditions per place. [2023-11-06 23:11:52,628 INFO L140 encePairwiseOnDemand]: 147/152 looper letters, 24 selfloop transitions, 6 changer transitions 9/53 dead transitions. [2023-11-06 23:11:52,628 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 53 transitions, 344 flow [2023-11-06 23:11:52,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:11:52,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-06 23:11:52,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 314 transitions. [2023-11-06 23:11:52,630 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5164473684210527 [2023-11-06 23:11:52,631 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 314 transitions. [2023-11-06 23:11:52,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 314 transitions. [2023-11-06 23:11:52,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:11:52,632 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 314 transitions. [2023-11-06 23:11:52,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 78.5) internal successors, (314), 4 states have internal predecessors, (314), 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) [2023-11-06 23:11:52,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 152.0) internal successors, (760), 5 states have internal predecessors, (760), 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) [2023-11-06 23:11:52,637 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 152.0) internal successors, (760), 5 states have internal predecessors, (760), 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) [2023-11-06 23:11:52,637 INFO L175 Difference]: Start difference. First operand has 33 places, 32 transitions, 158 flow. Second operand 4 states and 314 transitions. [2023-11-06 23:11:52,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 53 transitions, 344 flow [2023-11-06 23:11:52,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 53 transitions, 318 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 23:11:52,646 INFO L231 Difference]: Finished difference. Result has 37 places, 36 transitions, 188 flow [2023-11-06 23:11:52,647 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=188, PETRI_PLACES=37, PETRI_TRANSITIONS=36} [2023-11-06 23:11:52,649 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 11 predicate places. [2023-11-06 23:11:52,649 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 36 transitions, 188 flow [2023-11-06 23:11:52,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 72.75) internal successors, (291), 4 states have internal predecessors, (291), 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) [2023-11-06 23:11:52,650 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:11:52,650 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:52,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 23:11:52,651 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-06 23:11:52,653 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:52,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1354165739, now seen corresponding path program 2 times [2023-11-06 23:11:52,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:52,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607408399] [2023-11-06 23:11:52,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:52,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:52,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:11:52,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:52,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607408399] [2023-11-06 23:11:52,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607408399] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:52,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:52,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:11:52,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362426715] [2023-11-06 23:11:52,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:52,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:11:52,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:52,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:11:52,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:11:52,938 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 152 [2023-11-06 23:11:52,939 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 36 transitions, 188 flow. Second operand has 4 states, 4 states have (on average 72.75) internal successors, (291), 4 states have internal predecessors, (291), 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) [2023-11-06 23:11:52,939 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:11:52,940 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 152 [2023-11-06 23:11:52,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:11:52,992 INFO L124 PetriNetUnfolderBase]: 30/157 cut-off events. [2023-11-06 23:11:52,993 INFO L125 PetriNetUnfolderBase]: For 197/201 co-relation queries the response was YES. [2023-11-06 23:11:52,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 495 conditions, 157 events. 30/157 cut-off events. For 197/201 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 794 event pairs, 9 based on Foata normal form. 4/154 useless extension candidates. Maximal degree in co-relation 481. Up to 64 conditions per place. [2023-11-06 23:11:52,994 INFO L140 encePairwiseOnDemand]: 147/152 looper letters, 15 selfloop transitions, 3 changer transitions 11/43 dead transitions. [2023-11-06 23:11:52,994 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 43 transitions, 286 flow [2023-11-06 23:11:52,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:11:52,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-06 23:11:52,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 307 transitions. [2023-11-06 23:11:52,997 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5049342105263158 [2023-11-06 23:11:52,997 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 307 transitions. [2023-11-06 23:11:52,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 307 transitions. [2023-11-06 23:11:52,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:11:52,998 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 307 transitions. [2023-11-06 23:11:52,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 76.75) internal successors, (307), 4 states have internal predecessors, (307), 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) [2023-11-06 23:11:53,001 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 152.0) internal successors, (760), 5 states have internal predecessors, (760), 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) [2023-11-06 23:11:53,002 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 152.0) internal successors, (760), 5 states have internal predecessors, (760), 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) [2023-11-06 23:11:53,002 INFO L175 Difference]: Start difference. First operand has 37 places, 36 transitions, 188 flow. Second operand 4 states and 307 transitions. [2023-11-06 23:11:53,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 43 transitions, 286 flow [2023-11-06 23:11:53,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 43 transitions, 286 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 23:11:53,005 INFO L231 Difference]: Finished difference. Result has 41 places, 32 transitions, 172 flow [2023-11-06 23:11:53,006 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=172, PETRI_PLACES=41, PETRI_TRANSITIONS=32} [2023-11-06 23:11:53,006 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 15 predicate places. [2023-11-06 23:11:53,007 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 32 transitions, 172 flow [2023-11-06 23:11:53,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 72.75) internal successors, (291), 4 states have internal predecessors, (291), 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) [2023-11-06 23:11:53,007 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:11:53,008 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:53,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 23:11:53,008 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-06 23:11:53,009 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:53,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1790009746, now seen corresponding path program 1 times [2023-11-06 23:11:53,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:53,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156377393] [2023-11-06 23:11:53,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:53,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:53,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:11:53,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:53,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156377393] [2023-11-06 23:11:53,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156377393] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:53,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:53,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:11:53,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537375503] [2023-11-06 23:11:53,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:53,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:11:53,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:53,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:11:53,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:11:53,146 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 152 [2023-11-06 23:11:53,147 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 32 transitions, 172 flow. Second operand has 4 states, 4 states have (on average 72.75) internal successors, (291), 4 states have internal predecessors, (291), 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) [2023-11-06 23:11:53,147 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:11:53,147 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 152 [2023-11-06 23:11:53,147 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:11:53,184 INFO L124 PetriNetUnfolderBase]: 3/18 cut-off events. [2023-11-06 23:11:53,185 INFO L125 PetriNetUnfolderBase]: For 49/50 co-relation queries the response was YES. [2023-11-06 23:11:53,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 18 events. 3/18 cut-off events. For 49/50 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 12 event pairs, 0 based on Foata normal form. 7/25 useless extension candidates. Maximal degree in co-relation 63. Up to 7 conditions per place. [2023-11-06 23:11:53,185 INFO L140 encePairwiseOnDemand]: 148/152 looper letters, 0 selfloop transitions, 0 changer transitions 15/15 dead transitions. [2023-11-06 23:11:53,185 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 15 transitions, 106 flow [2023-11-06 23:11:53,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:11:53,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-06 23:11:53,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 369 transitions. [2023-11-06 23:11:53,188 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4855263157894737 [2023-11-06 23:11:53,188 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 369 transitions. [2023-11-06 23:11:53,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 369 transitions. [2023-11-06 23:11:53,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:11:53,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 369 transitions. [2023-11-06 23:11:53,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 73.8) internal successors, (369), 5 states have internal predecessors, (369), 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) [2023-11-06 23:11:53,193 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 152.0) internal successors, (912), 6 states have internal predecessors, (912), 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) [2023-11-06 23:11:53,194 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 152.0) internal successors, (912), 6 states have internal predecessors, (912), 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) [2023-11-06 23:11:53,194 INFO L175 Difference]: Start difference. First operand has 41 places, 32 transitions, 172 flow. Second operand 5 states and 369 transitions. [2023-11-06 23:11:53,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 15 transitions, 106 flow [2023-11-06 23:11:53,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 15 transitions, 61 flow, removed 7 selfloop flow, removed 10 redundant places. [2023-11-06 23:11:53,195 INFO L231 Difference]: Finished difference. Result has 21 places, 0 transitions, 0 flow [2023-11-06 23:11:53,195 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=17, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=21, PETRI_TRANSITIONS=0} [2023-11-06 23:11:53,196 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, -5 predicate places. [2023-11-06 23:11:53,196 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 0 transitions, 0 flow [2023-11-06 23:11:53,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 72.75) internal successors, (291), 4 states have internal predecessors, (291), 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) [2023-11-06 23:11:53,199 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2023-11-06 23:11:53,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2023-11-06 23:11:53,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-11-06 23:11:53,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2023-11-06 23:11:53,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2023-11-06 23:11:53,201 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2023-11-06 23:11:53,202 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2023-11-06 23:11:53,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 23:11:53,202 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2023-11-06 23:11:53,208 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 23:11:53,208 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:11:53,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:11:53 BasicIcfg [2023-11-06 23:11:53,212 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:11:53,213 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:11:53,213 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:11:53,213 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:11:53,214 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:47" (3/4) ... [2023-11-06 23:11:53,215 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 23:11:53,220 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-06 23:11:53,224 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-06 23:11:53,225 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 23:11:53,225 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 23:11:53,277 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ee97ed-d8f4-4f5d-91d9-2011c96d8300/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 23:11:53,278 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ee97ed-d8f4-4f5d-91d9-2011c96d8300/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 23:11:53,278 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:11:53,279 INFO L158 Benchmark]: Toolchain (without parser) took 7361.84ms. Allocated memory was 144.7MB in the beginning and 188.7MB in the end (delta: 44.0MB). Free memory was 98.9MB in the beginning and 111.6MB in the end (delta: -12.7MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2023-11-06 23:11:53,279 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 111.1MB. Free memory was 64.5MB in the beginning and 64.3MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:11:53,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1139.91ms. Allocated memory is still 144.7MB. Free memory was 98.7MB in the beginning and 113.4MB in the end (delta: -14.7MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2023-11-06 23:11:53,280 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.26ms. Allocated memory is still 144.7MB. Free memory was 113.4MB in the beginning and 111.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:11:53,280 INFO L158 Benchmark]: Boogie Preprocessor took 39.14ms. Allocated memory is still 144.7MB. Free memory was 111.3MB in the beginning and 109.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:11:53,281 INFO L158 Benchmark]: RCFGBuilder took 558.19ms. Allocated memory is still 144.7MB. Free memory was 109.4MB in the beginning and 96.7MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 23:11:53,281 INFO L158 Benchmark]: TraceAbstraction took 5464.12ms. Allocated memory was 144.7MB in the beginning and 188.7MB in the end (delta: 44.0MB). Free memory was 96.0MB in the beginning and 114.7MB in the end (delta: -18.7MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2023-11-06 23:11:53,282 INFO L158 Benchmark]: Witness Printer took 65.12ms. Allocated memory is still 188.7MB. Free memory was 114.7MB in the beginning and 111.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:11:53,284 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 111.1MB. Free memory was 64.5MB in the beginning and 64.3MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1139.91ms. Allocated memory is still 144.7MB. Free memory was 98.7MB in the beginning and 113.4MB in the end (delta: -14.7MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.26ms. Allocated memory is still 144.7MB. Free memory was 113.4MB in the beginning and 111.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.14ms. Allocated memory is still 144.7MB. Free memory was 111.3MB in the beginning and 109.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 558.19ms. Allocated memory is still 144.7MB. Free memory was 109.4MB in the beginning and 96.7MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 5464.12ms. Allocated memory was 144.7MB in the beginning and 188.7MB in the end (delta: 44.0MB). Free memory was 96.0MB in the beginning and 114.7MB in the end (delta: -18.7MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * Witness Printer took 65.12ms. Allocated memory is still 188.7MB. Free memory was 114.7MB in the beginning and 111.6MB in the end (delta: 3.1MB). 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: 2.8s, 80 PlacesBefore, 26 PlacesAfterwards, 80 TransitionsBefore, 24 TransitionsAfterwards, 1428 CoEnabledTransitionPairs, 6 FixpointIterations, 19 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 16 ConcurrentYvCompositions, 2 ChoiceCompositions, 71 TotalNumberOfCompositions, 4248 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1704, independent: 1482, independent conditional: 0, independent unconditional: 1482, dependent: 222, dependent conditional: 0, dependent unconditional: 222, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 823, independent: 788, independent conditional: 0, independent unconditional: 788, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1704, independent: 694, independent conditional: 0, independent unconditional: 694, dependent: 187, dependent conditional: 0, dependent unconditional: 187, unknown: 823, unknown conditional: 0, unknown unconditional: 823] , Statistics on independence cache: Total cache size (in pairs): 74, Positive cache size: 55, Positive conditional cache size: 0, Positive unconditional cache size: 55, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 949]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 949]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: 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 3 procedures, 97 locations, 7 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: 5.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 240 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 110 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 357 IncrementalHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 55 mSDtfsCounter, 357 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=188occurred in iteration=4, InterpolantAutomatonStates: 22, 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, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 98 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 23:11:53,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05ee97ed-d8f4-4f5d-91d9-2011c96d8300/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE