./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc 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_1525d911-a3fd-4c0f-9b3c-ad1dfa7637bb/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1525d911-a3fd-4c0f-9b3c-ad1dfa7637bb/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1525d911-a3fd-4c0f-9b3c-ad1dfa7637bb/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1525d911-a3fd-4c0f-9b3c-ad1dfa7637bb/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1525d911-a3fd-4c0f-9b3c-ad1dfa7637bb/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1525d911-a3fd-4c0f-9b3c-ad1dfa7637bb/bin/uautomizer-verify-VRDe98Ueme --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 a233f90faab2ceb8ddfb042463870c03c0794d3cd45b2ba20de731314559cb95 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:01:31,458 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:01:31,575 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1525d911-a3fd-4c0f-9b3c-ad1dfa7637bb/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 12:01:31,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:01:31,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:01:31,624 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:01:31,625 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:01:31,626 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:01:31,627 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:01:31,634 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:01:31,635 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:01:31,636 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:01:31,637 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:01:31,639 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:01:31,639 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:01:31,640 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:01:31,640 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:01:31,640 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:01:31,641 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:01:31,641 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:01:31,642 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:01:31,642 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:01:31,643 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 12:01:31,643 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 12:01:31,644 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:01:31,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:01:31,645 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:01:31,645 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:01:31,646 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:01:31,646 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:01:31,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:01:31,647 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:01:31,648 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:01:31,648 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:01:31,648 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:01:31,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:01:31,649 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:01:31,650 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:01:31,650 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:01:31,651 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:01:31,651 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:01:31,652 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_1525d911-a3fd-4c0f-9b3c-ad1dfa7637bb/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1525d911-a3fd-4c0f-9b3c-ad1dfa7637bb/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a233f90faab2ceb8ddfb042463870c03c0794d3cd45b2ba20de731314559cb95 [2023-11-26 12:01:31,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:01:32,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:01:32,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:01:32,031 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:01:32,032 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:01:32,033 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1525d911-a3fd-4c0f-9b3c-ad1dfa7637bb/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2023-11-26 12:01:35,091 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:01:35,371 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:01:35,372 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1525d911-a3fd-4c0f-9b3c-ad1dfa7637bb/sv-benchmarks/c/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2023-11-26 12:01:35,388 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1525d911-a3fd-4c0f-9b3c-ad1dfa7637bb/bin/uautomizer-verify-VRDe98Ueme/data/5cda82bf0/252ec55de27a4e2597da52e1fa002bf1/FLAG12713c538 [2023-11-26 12:01:35,402 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1525d911-a3fd-4c0f-9b3c-ad1dfa7637bb/bin/uautomizer-verify-VRDe98Ueme/data/5cda82bf0/252ec55de27a4e2597da52e1fa002bf1 [2023-11-26 12:01:35,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:01:35,407 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:01:35,408 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:01:35,409 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:01:35,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:01:35,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:01:35" (1/1) ... [2023-11-26 12:01:35,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@308fd752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:35, skipping insertion in model container [2023-11-26 12:01:35,425 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:01:35" (1/1) ... [2023-11-26 12:01:35,500 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:01:36,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:01:36,020 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:01:36,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:01:36,165 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:01:36,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:36 WrapperNode [2023-11-26 12:01:36,166 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:01:36,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:01:36,168 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:01:36,168 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:01:36,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:36" (1/1) ... [2023-11-26 12:01:36,213 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:36" (1/1) ... [2023-11-26 12:01:36,247 INFO L138 Inliner]: procedures = 163, calls = 49, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 97 [2023-11-26 12:01:36,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:01:36,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:01:36,252 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:01:36,253 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:01:36,263 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:36" (1/1) ... [2023-11-26 12:01:36,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:36" (1/1) ... [2023-11-26 12:01:36,281 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:36" (1/1) ... [2023-11-26 12:01:36,286 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:36" (1/1) ... [2023-11-26 12:01:36,294 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:36" (1/1) ... [2023-11-26 12:01:36,304 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:36" (1/1) ... [2023-11-26 12:01:36,307 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:36" (1/1) ... [2023-11-26 12:01:36,309 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:36" (1/1) ... [2023-11-26 12:01:36,325 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:01:36,326 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:01:36,326 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:01:36,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:01:36,328 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:36" (1/1) ... [2023-11-26 12:01:36,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:01:36,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1525d911-a3fd-4c0f-9b3c-ad1dfa7637bb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:01:36,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1525d911-a3fd-4c0f-9b3c-ad1dfa7637bb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:01:36,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1525d911-a3fd-4c0f-9b3c-ad1dfa7637bb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:01:36,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 12:01:36,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 12:01:36,420 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-26 12:01:36,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:01:36,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 12:01:36,421 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-26 12:01:36,421 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-26 12:01:36,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 12:01:36,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 12:01:36,422 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-26 12:01:36,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:01:36,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:01:36,425 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 12:01:36,619 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:01:36,623 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:01:37,036 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:01:37,095 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:01:37,096 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 12:01:37,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:01:37 BoogieIcfgContainer [2023-11-26 12:01:37,098 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:01:37,109 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:01:37,109 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:01:37,113 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:01:37,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:01:35" (1/3) ... [2023-11-26 12:01:37,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52d12ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:01:37, skipping insertion in model container [2023-11-26 12:01:37,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:01:36" (2/3) ... [2023-11-26 12:01:37,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52d12ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:01:37, skipping insertion in model container [2023-11-26 12:01:37,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:01:37" (3/3) ... [2023-11-26 12:01:37,119 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2023-11-26 12:01:37,129 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 12:01:37,143 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:01:37,143 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-11-26 12:01:37,143 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 12:01:37,251 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-26 12:01:37,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 134 places, 134 transitions, 275 flow [2023-11-26 12:01:37,406 INFO L124 PetriNetUnfolderBase]: 4/133 cut-off events. [2023-11-26 12:01:37,410 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-26 12:01:37,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 138 conditions, 133 events. 4/133 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 118 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2023-11-26 12:01:37,417 INFO L82 GeneralOperation]: Start removeDead. Operand has 134 places, 134 transitions, 275 flow [2023-11-26 12:01:37,429 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 125 transitions, 253 flow [2023-11-26 12:01:37,445 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:01:37,451 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;@4be8d8bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:01:37,452 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-26 12:01:37,472 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 12:01:37,473 INFO L124 PetriNetUnfolderBase]: 0/50 cut-off events. [2023-11-26 12:01:37,473 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 12:01:37,473 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:01:37,474 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:01:37,475 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-26 12:01:37,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:37,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1070098302, now seen corresponding path program 1 times [2023-11-26 12:01:37,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:37,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707022637] [2023-11-26 12:01:37,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:37,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:37,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:01:37,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:01:37,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707022637] [2023-11-26 12:01:37,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707022637] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:01:37,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:01:37,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:01:37,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196787653] [2023-11-26 12:01:37,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:01:37,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:01:37,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:01:37,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:01:37,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:01:37,969 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 134 [2023-11-26 12:01:37,978 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 125 transitions, 253 flow. Second operand has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 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) [2023-11-26 12:01:37,978 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:01:37,979 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 134 [2023-11-26 12:01:37,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:01:38,391 INFO L124 PetriNetUnfolderBase]: 185/1002 cut-off events. [2023-11-26 12:01:38,391 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-26 12:01:38,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1419 conditions, 1002 events. 185/1002 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 6490 event pairs, 30 based on Foata normal form. 72/991 useless extension candidates. Maximal degree in co-relation 1378. Up to 211 conditions per place. [2023-11-26 12:01:38,408 INFO L140 encePairwiseOnDemand]: 122/134 looper letters, 38 selfloop transitions, 6 changer transitions 0/134 dead transitions. [2023-11-26 12:01:38,408 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 134 transitions, 359 flow [2023-11-26 12:01:38,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:01:38,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:01:38,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 360 transitions. [2023-11-26 12:01:38,433 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8955223880597015 [2023-11-26 12:01:38,434 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 360 transitions. [2023-11-26 12:01:38,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 360 transitions. [2023-11-26 12:01:38,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:01:38,442 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 360 transitions. [2023-11-26 12:01:38,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 120.0) internal successors, (360), 3 states have internal predecessors, (360), 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) [2023-11-26 12:01:38,456 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 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) [2023-11-26 12:01:38,457 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 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) [2023-11-26 12:01:38,459 INFO L175 Difference]: Start difference. First operand has 125 places, 125 transitions, 253 flow. Second operand 3 states and 360 transitions. [2023-11-26 12:01:38,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 134 transitions, 359 flow [2023-11-26 12:01:38,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 134 transitions, 358 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 12:01:38,471 INFO L231 Difference]: Finished difference. Result has 122 places, 120 transitions, 280 flow [2023-11-26 12:01:38,473 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=280, PETRI_PLACES=122, PETRI_TRANSITIONS=120} [2023-11-26 12:01:38,477 INFO L281 CegarLoopForPetriNet]: 125 programPoint places, -3 predicate places. [2023-11-26 12:01:38,478 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 120 transitions, 280 flow [2023-11-26 12:01:38,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 103.66666666666667) internal successors, (311), 3 states have internal predecessors, (311), 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) [2023-11-26 12:01:38,478 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:01:38,479 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:01:38,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 12:01:38,480 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-26 12:01:38,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:38,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1118946950, now seen corresponding path program 1 times [2023-11-26 12:01:38,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:38,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974542826] [2023-11-26 12:01:38,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:38,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:38,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:01:38,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:01:38,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974542826] [2023-11-26 12:01:38,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974542826] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:01:38,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:01:38,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:01:38,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692681786] [2023-11-26 12:01:38,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:01:38,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:01:38,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:01:38,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:01:38,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:01:38,698 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 134 [2023-11-26 12:01:38,699 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 120 transitions, 280 flow. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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) [2023-11-26 12:01:38,699 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:01:38,700 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 134 [2023-11-26 12:01:38,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:01:38,968 INFO L124 PetriNetUnfolderBase]: 222/1060 cut-off events. [2023-11-26 12:01:38,968 INFO L125 PetriNetUnfolderBase]: For 137/137 co-relation queries the response was YES. [2023-11-26 12:01:38,972 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1705 conditions, 1060 events. 222/1060 cut-off events. For 137/137 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 6999 event pairs, 148 based on Foata normal form. 0/973 useless extension candidates. Maximal degree in co-relation 1663. Up to 417 conditions per place. [2023-11-26 12:01:38,979 INFO L140 encePairwiseOnDemand]: 128/134 looper letters, 34 selfloop transitions, 7 changer transitions 0/133 dead transitions. [2023-11-26 12:01:38,979 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 133 transitions, 398 flow [2023-11-26 12:01:38,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:01:38,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:01:38,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 344 transitions. [2023-11-26 12:01:38,983 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8557213930348259 [2023-11-26 12:01:38,983 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 344 transitions. [2023-11-26 12:01:38,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 344 transitions. [2023-11-26 12:01:38,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:01:38,985 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 344 transitions. [2023-11-26 12:01:38,986 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 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) [2023-11-26 12:01:38,990 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 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) [2023-11-26 12:01:38,991 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 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) [2023-11-26 12:01:38,991 INFO L175 Difference]: Start difference. First operand has 122 places, 120 transitions, 280 flow. Second operand 3 states and 344 transitions. [2023-11-26 12:01:38,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 133 transitions, 398 flow [2023-11-26 12:01:38,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 133 transitions, 382 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:01:39,004 INFO L231 Difference]: Finished difference. Result has 124 places, 125 transitions, 324 flow [2023-11-26 12:01:39,005 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=324, PETRI_PLACES=124, PETRI_TRANSITIONS=125} [2023-11-26 12:01:39,006 INFO L281 CegarLoopForPetriNet]: 125 programPoint places, -1 predicate places. [2023-11-26 12:01:39,006 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 125 transitions, 324 flow [2023-11-26 12:01:39,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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) [2023-11-26 12:01:39,007 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:01:39,007 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:01:39,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 12:01:39,009 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-26 12:01:39,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:39,013 INFO L85 PathProgramCache]: Analyzing trace with hash -168896995, now seen corresponding path program 1 times [2023-11-26 12:01:39,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:39,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990826043] [2023-11-26 12:01:39,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:39,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:39,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:01:39,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:01:39,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990826043] [2023-11-26 12:01:39,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990826043] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:01:39,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:01:39,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 12:01:39,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432533243] [2023-11-26 12:01:39,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:01:39,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:01:39,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:01:39,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:01:39,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:01:39,492 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 134 [2023-11-26 12:01:39,493 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 125 transitions, 324 flow. Second operand has 6 states, 6 states have (on average 109.33333333333333) internal successors, (656), 6 states have internal predecessors, (656), 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) [2023-11-26 12:01:39,493 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:01:39,494 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 134 [2023-11-26 12:01:39,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:01:39,778 INFO L124 PetriNetUnfolderBase]: 125/983 cut-off events. [2023-11-26 12:01:39,778 INFO L125 PetriNetUnfolderBase]: For 63/69 co-relation queries the response was YES. [2023-11-26 12:01:39,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1442 conditions, 983 events. 125/983 cut-off events. For 63/69 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 6854 event pairs, 61 based on Foata normal form. 4/922 useless extension candidates. Maximal degree in co-relation 1397. Up to 230 conditions per place. [2023-11-26 12:01:39,786 INFO L140 encePairwiseOnDemand]: 124/134 looper letters, 23 selfloop transitions, 10 changer transitions 0/137 dead transitions. [2023-11-26 12:01:39,786 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 137 transitions, 402 flow [2023-11-26 12:01:39,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:01:39,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-26 12:01:39,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 575 transitions. [2023-11-26 12:01:39,790 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8582089552238806 [2023-11-26 12:01:39,790 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 575 transitions. [2023-11-26 12:01:39,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 575 transitions. [2023-11-26 12:01:39,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:01:39,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 575 transitions. [2023-11-26 12:01:39,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 115.0) internal successors, (575), 5 states have internal predecessors, (575), 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) [2023-11-26 12:01:39,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 134.0) internal successors, (804), 6 states have internal predecessors, (804), 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) [2023-11-26 12:01:39,798 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 134.0) internal successors, (804), 6 states have internal predecessors, (804), 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) [2023-11-26 12:01:39,798 INFO L175 Difference]: Start difference. First operand has 124 places, 125 transitions, 324 flow. Second operand 5 states and 575 transitions. [2023-11-26 12:01:39,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 137 transitions, 402 flow [2023-11-26 12:01:39,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 137 transitions, 390 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-11-26 12:01:39,806 INFO L231 Difference]: Finished difference. Result has 127 places, 129 transitions, 348 flow [2023-11-26 12:01:39,807 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=348, PETRI_PLACES=127, PETRI_TRANSITIONS=129} [2023-11-26 12:01:39,808 INFO L281 CegarLoopForPetriNet]: 125 programPoint places, 2 predicate places. [2023-11-26 12:01:39,808 INFO L495 AbstractCegarLoop]: Abstraction has has 127 places, 129 transitions, 348 flow [2023-11-26 12:01:39,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 109.33333333333333) internal successors, (656), 6 states have internal predecessors, (656), 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) [2023-11-26 12:01:39,809 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:01:39,809 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:01:39,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 12:01:39,810 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-26 12:01:39,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:39,811 INFO L85 PathProgramCache]: Analyzing trace with hash -2067900857, now seen corresponding path program 1 times [2023-11-26 12:01:39,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:39,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457753272] [2023-11-26 12:01:39,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:39,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:39,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:01:39,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:01:39,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457753272] [2023-11-26 12:01:39,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457753272] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:01:39,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:01:39,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:01:39,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206797911] [2023-11-26 12:01:39,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:01:39,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:01:39,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:01:39,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:01:39,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:01:39,903 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 134 [2023-11-26 12:01:39,904 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 129 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 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) [2023-11-26 12:01:39,905 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:01:39,905 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 134 [2023-11-26 12:01:39,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:01:40,155 INFO L124 PetriNetUnfolderBase]: 240/1251 cut-off events. [2023-11-26 12:01:40,155 INFO L125 PetriNetUnfolderBase]: For 354/413 co-relation queries the response was YES. [2023-11-26 12:01:40,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2229 conditions, 1251 events. 240/1251 cut-off events. For 354/413 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 9120 event pairs, 135 based on Foata normal form. 2/1165 useless extension candidates. Maximal degree in co-relation 2183. Up to 451 conditions per place. [2023-11-26 12:01:40,166 INFO L140 encePairwiseOnDemand]: 128/134 looper letters, 41 selfloop transitions, 7 changer transitions 0/142 dead transitions. [2023-11-26 12:01:40,167 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 142 transitions, 490 flow [2023-11-26 12:01:40,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:01:40,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:01:40,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 344 transitions. [2023-11-26 12:01:40,169 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8557213930348259 [2023-11-26 12:01:40,169 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 344 transitions. [2023-11-26 12:01:40,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 344 transitions. [2023-11-26 12:01:40,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:01:40,170 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 344 transitions. [2023-11-26 12:01:40,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 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) [2023-11-26 12:01:40,173 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 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) [2023-11-26 12:01:40,174 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 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) [2023-11-26 12:01:40,174 INFO L175 Difference]: Start difference. First operand has 127 places, 129 transitions, 348 flow. Second operand 3 states and 344 transitions. [2023-11-26 12:01:40,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 142 transitions, 490 flow [2023-11-26 12:01:40,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 142 transitions, 487 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-26 12:01:40,183 INFO L231 Difference]: Finished difference. Result has 129 places, 134 transitions, 405 flow [2023-11-26 12:01:40,183 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=345, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=405, PETRI_PLACES=129, PETRI_TRANSITIONS=134} [2023-11-26 12:01:40,185 INFO L281 CegarLoopForPetriNet]: 125 programPoint places, 4 predicate places. [2023-11-26 12:01:40,186 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 134 transitions, 405 flow [2023-11-26 12:01:40,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 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) [2023-11-26 12:01:40,186 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:01:40,187 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:01:40,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 12:01:40,188 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-26 12:01:40,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:40,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1087383242, now seen corresponding path program 1 times [2023-11-26 12:01:40,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:40,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448961536] [2023-11-26 12:01:40,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:40,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:40,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:01:40,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:01:40,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448961536] [2023-11-26 12:01:40,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448961536] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:01:40,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:01:40,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-26 12:01:40,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807504397] [2023-11-26 12:01:40,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:01:40,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 12:01:40,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:01:40,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 12:01:40,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-26 12:01:40,762 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 134 [2023-11-26 12:01:40,764 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 134 transitions, 405 flow. Second operand has 8 states, 8 states have (on average 108.375) internal successors, (867), 8 states have internal predecessors, (867), 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) [2023-11-26 12:01:40,764 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:01:40,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 134 [2023-11-26 12:01:40,769 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:01:40,968 INFO L124 PetriNetUnfolderBase]: 60/596 cut-off events. [2023-11-26 12:01:40,968 INFO L125 PetriNetUnfolderBase]: For 163/166 co-relation queries the response was YES. [2023-11-26 12:01:40,970 INFO L83 FinitePrefix]: Finished finitePrefix Result has 987 conditions, 596 events. 60/596 cut-off events. For 163/166 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3010 event pairs, 22 based on Foata normal form. 15/590 useless extension candidates. Maximal degree in co-relation 938. Up to 83 conditions per place. [2023-11-26 12:01:40,973 INFO L140 encePairwiseOnDemand]: 123/134 looper letters, 17 selfloop transitions, 14 changer transitions 0/125 dead transitions. [2023-11-26 12:01:40,973 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 125 transitions, 403 flow [2023-11-26 12:01:40,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:01:40,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 12:01:40,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 672 transitions. [2023-11-26 12:01:40,978 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.835820895522388 [2023-11-26 12:01:40,979 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 672 transitions. [2023-11-26 12:01:40,979 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 672 transitions. [2023-11-26 12:01:40,980 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:01:40,980 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 672 transitions. [2023-11-26 12:01:40,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 112.0) internal successors, (672), 6 states have internal predecessors, (672), 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) [2023-11-26 12:01:40,985 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 134.0) internal successors, (938), 7 states have internal predecessors, (938), 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) [2023-11-26 12:01:40,987 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 134.0) internal successors, (938), 7 states have internal predecessors, (938), 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) [2023-11-26 12:01:40,987 INFO L175 Difference]: Start difference. First operand has 129 places, 134 transitions, 405 flow. Second operand 6 states and 672 transitions. [2023-11-26 12:01:40,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 125 transitions, 403 flow [2023-11-26 12:01:40,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 125 transitions, 365 flow, removed 10 selfloop flow, removed 6 redundant places. [2023-11-26 12:01:40,994 INFO L231 Difference]: Finished difference. Result has 124 places, 119 transitions, 314 flow [2023-11-26 12:01:40,995 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=314, PETRI_PLACES=124, PETRI_TRANSITIONS=119} [2023-11-26 12:01:40,998 INFO L281 CegarLoopForPetriNet]: 125 programPoint places, -1 predicate places. [2023-11-26 12:01:40,998 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 119 transitions, 314 flow [2023-11-26 12:01:40,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 108.375) internal successors, (867), 8 states have internal predecessors, (867), 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) [2023-11-26 12:01:40,999 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:01:41,000 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:01:41,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 12:01:41,000 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-26 12:01:41,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:01:41,002 INFO L85 PathProgramCache]: Analyzing trace with hash 449659588, now seen corresponding path program 1 times [2023-11-26 12:01:41,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:01:41,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731637717] [2023-11-26 12:01:41,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:01:41,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:01:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:01:41,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:01:41,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:01:41,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731637717] [2023-11-26 12:01:41,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731637717] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:01:41,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:01:41,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:01:41,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618717377] [2023-11-26 12:01:41,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:01:41,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:01:41,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:01:41,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:01:41,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:01:41,698 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 134 [2023-11-26 12:01:41,699 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 119 transitions, 314 flow. Second operand has 6 states, 6 states have (on average 102.66666666666667) internal successors, (616), 6 states have internal predecessors, (616), 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) [2023-11-26 12:01:41,700 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:01:41,700 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 134 [2023-11-26 12:01:41,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:01:41,912 INFO L124 PetriNetUnfolderBase]: 125/672 cut-off events. [2023-11-26 12:01:41,913 INFO L125 PetriNetUnfolderBase]: For 245/251 co-relation queries the response was YES. [2023-11-26 12:01:41,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1227 conditions, 672 events. 125/672 cut-off events. For 245/251 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3526 event pairs, 45 based on Foata normal form. 0/655 useless extension candidates. Maximal degree in co-relation 1178. Up to 162 conditions per place. [2023-11-26 12:01:41,916 INFO L140 encePairwiseOnDemand]: 129/134 looper letters, 0 selfloop transitions, 0 changer transitions 154/154 dead transitions. [2023-11-26 12:01:41,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 154 transitions, 594 flow [2023-11-26 12:01:41,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:01:41,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-26 12:01:41,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 657 transitions. [2023-11-26 12:01:41,920 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8171641791044776 [2023-11-26 12:01:41,920 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 657 transitions. [2023-11-26 12:01:41,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 657 transitions. [2023-11-26 12:01:41,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:01:41,921 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 657 transitions. [2023-11-26 12:01:41,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 109.5) internal successors, (657), 6 states have internal predecessors, (657), 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) [2023-11-26 12:01:41,926 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 134.0) internal successors, (938), 7 states have internal predecessors, (938), 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) [2023-11-26 12:01:41,929 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 134.0) internal successors, (938), 7 states have internal predecessors, (938), 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) [2023-11-26 12:01:41,929 INFO L175 Difference]: Start difference. First operand has 124 places, 119 transitions, 314 flow. Second operand 6 states and 657 transitions. [2023-11-26 12:01:41,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 154 transitions, 594 flow [2023-11-26 12:01:41,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 154 transitions, 558 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 12:01:41,934 INFO L231 Difference]: Finished difference. Result has 124 places, 0 transitions, 0 flow [2023-11-26 12:01:41,934 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=134, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=124, PETRI_TRANSITIONS=0} [2023-11-26 12:01:41,938 INFO L281 CegarLoopForPetriNet]: 125 programPoint places, -1 predicate places. [2023-11-26 12:01:41,938 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 0 transitions, 0 flow [2023-11-26 12:01:41,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 102.66666666666667) internal successors, (616), 6 states have internal predecessors, (616), 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) [2023-11-26 12:01:41,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2023-11-26 12:01:41,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2023-11-26 12:01:41,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2023-11-26 12:01:41,942 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2023-11-26 12:01:41,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2023-11-26 12:01:41,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2023-11-26 12:01:41,943 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2023-11-26 12:01:41,948 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2023-11-26 12:01:41,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 12:01:41,948 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-26 12:01:41,954 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 12:01:41,954 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 12:01:41,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:01:41 BasicIcfg [2023-11-26 12:01:41,961 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 12:01:41,962 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:01:41,962 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:01:41,962 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:01:41,963 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:01:37" (3/4) ... [2023-11-26 12:01:41,965 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 12:01:41,968 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-26 12:01:41,974 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-26 12:01:41,974 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 12:01:41,974 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-26 12:01:41,975 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 12:01:42,068 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1525d911-a3fd-4c0f-9b3c-ad1dfa7637bb/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 12:01:42,069 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1525d911-a3fd-4c0f-9b3c-ad1dfa7637bb/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 12:01:42,069 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:01:42,069 INFO L158 Benchmark]: Toolchain (without parser) took 6662.91ms. Allocated memory was 125.8MB in the beginning and 213.9MB in the end (delta: 88.1MB). Free memory was 64.3MB in the beginning and 78.0MB in the end (delta: -13.8MB). Peak memory consumption was 76.3MB. Max. memory is 16.1GB. [2023-11-26 12:01:42,070 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 100.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:01:42,070 INFO L158 Benchmark]: CACSL2BoogieTranslator took 758.37ms. Allocated memory was 125.8MB in the beginning and 178.3MB in the end (delta: 52.4MB). Free memory was 64.1MB in the beginning and 136.5MB in the end (delta: -72.5MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2023-11-26 12:01:42,071 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.93ms. Allocated memory is still 178.3MB. Free memory was 136.5MB in the beginning and 134.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:01:42,071 INFO L158 Benchmark]: Boogie Preprocessor took 74.20ms. Allocated memory is still 178.3MB. Free memory was 134.5MB in the beginning and 133.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:01:42,072 INFO L158 Benchmark]: RCFGBuilder took 778.68ms. Allocated memory is still 178.3MB. Free memory was 132.3MB in the beginning and 112.3MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-26 12:01:42,072 INFO L158 Benchmark]: TraceAbstraction took 4852.15ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 111.4MB in the beginning and 82.2MB in the end (delta: 29.2MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. [2023-11-26 12:01:42,073 INFO L158 Benchmark]: Witness Printer took 107.36ms. Allocated memory is still 213.9MB. Free memory was 82.2MB in the beginning and 78.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:01:42,075 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 100.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 758.37ms. Allocated memory was 125.8MB in the beginning and 178.3MB in the end (delta: 52.4MB). Free memory was 64.1MB in the beginning and 136.5MB in the end (delta: -72.5MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.93ms. Allocated memory is still 178.3MB. Free memory was 136.5MB in the beginning and 134.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.20ms. Allocated memory is still 178.3MB. Free memory was 134.5MB in the beginning and 133.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 778.68ms. Allocated memory is still 178.3MB. Free memory was 132.3MB in the beginning and 112.3MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4852.15ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 111.4MB in the beginning and 82.2MB in the end (delta: 29.2MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. * Witness Printer took 107.36ms. Allocated memory is still 213.9MB. Free memory was 82.2MB in the beginning and 78.0MB 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: - PositiveResult [Line: 703]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 692]: 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, 164 locations, 8 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: 4.6s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 411 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 293 mSDsluCounter, 70 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 773 IncrementalHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 36 mSDtfsCounter, 773 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=405occurred in iteration=4, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 334 NumberOfCodeBlocks, 334 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 328 ConstructedInterpolants, 0 QuantifiedInterpolants, 797 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 12:01:42,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1525d911-a3fd-4c0f-9b3c-ad1dfa7637bb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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